Monday, February 28, 2011

Production and Operations Management - 15

Production and Operations Management - 15

Multiple Choice Multiple Answer
Question How the concept of float is helpful to planners?
Correct Answer To minimize the requirement of resources , To prevent peaks and valleys in requirement of resources , To decide priorities in allocation of resources


True/False
Question Floor inspection delays the identification of faults which can not be rectified immediately before large lots are spoiled.
Correct Answer False


Multiple Choice Single Answer
Question What is the location of lower control limit in the X bar-R control chart?
Correct Answer 3 standard deviations below central line


Multiple Choice Multiple Answer
Question Which of the following variables which operate periodically are the reasons for the cyclic pattern depicting peaks and valleys during Xbar-R control chart?
Correct Answer Wornout positions , Fatigue , Roller eccentricity


Select The Blank
Question The ________ pertain to the climatic conditions which the component , product or material should withstand.
Correct Answer Environmental specifications


Multiple Choice Multiple Answer
Question Order preparation process for products manufatured to order requires following documents
Correct Answer Sales Order , Work order , Shop order


Multiple Choice Single Answer
Question What do you understand by the measurement of work to establish allowed time for a job for the defined method?
Correct Answer Work measurement


True/False
Question Suburban location provides the compromise netween rural and urban locations.
Correct Answer True


Match The Following
Question- Correct Answer

Scale model- Layout analysis


Factor Analysis -Method to evaluate layouts


Minimization of production delays -Objective of good layout


Maximum visibility- Principles of good layout


Multiple Choice Multiple Answer
Question Plant Layout is concerned with optimum arrangement of the following
Correct Answer Storage space , Machines , Material Handling Equipment


Multiple Choice Single Answer
Question The process of changing inputs into outputs thereby adding some value to entity can be defined as
Correct Answer Operation


True/False
Question A sampling plan which perfectly discriminates will have vertical OC curve.
Correct Answer True
Multiple Choice Multiple Answer
Question Which kind of possible defectives can be reduced due to first off inspection?
Correct Answer Due to mistakes in reading blue prints , Due to errors in tooling , Due to wrong machine set up


Multiple Choice Multiple Answer
Question Which of the following concepts must be understood for the achievement of quality?
Correct Answer Quality of conformance , Purpose of product , Quality of design


Multiple Choice Single Answer
Question Site factors for plant location include
Correct Answer Suitability of land


Multiple Choice Single Answer
Question The ratio of output to input of a production system is commonly known as
Correct Answer Productivity


Multiple Choice Multiple Answer
Question Which of the following cases indicated that the operation has occurred?
Correct Answer Movement of components to assembly section , Raw material movement , A worker's trip to grinder to sharpen the tools


Multiple Choice Single Answer
Question Which kind of gauge consists of electrical contacts operating a series of colloured signal lamps which indicate whether the dimension is correct, oversize or undersize?
Correct Answer Multiple gauging


Select The Blank
Question A ________helps to avoid crowding of jobs at a particular machine by change of route of some of the jobs or by diverting work to other machine.
Correct Answer Control board



True/False
Question Proper care and storage is not an essential part of a well planned lubrication system.
Correct Answer False


Multiple Choice Single Answer
Question Any premise in which persons are employed for purpose of making any product/s is called
Correct Answer Factory


Multiple Choice Multiple Answer
Question Major contributors in the development of Control Charts, Sampling plan are
Correct Answer F H Dodge , H G Roming , Walter Schewhart


Multiple Choice Single Answer
Question How to claculate the producer risk in the OC Curve?
Correct Answer Probability that a good lot will be rejected by the sampling


Multiple Choice Single Answer
Question How many types of charts are used for the purpose of method study?
Correct Answer Four


Multiple Choice Multiple Answer
Question Which three of the following options can be used to reduce the duration of activity during project crashing?
Correct Answer Allocating more manpower and machines than originally planned for. , Working additional shifts or overtime. , Awarding work to vendors who charge extra but expedite deliveries.


Multiple Choice Single Answer
Question What does head of an arrow represent?
Correct Answer End of an activity


Match The Following
Question -Correct Answer

Combined Layout -Mixed Layout

Fixed Position Layout- Project Layout

Product Layout- Line Layout

Process Layout- Functional Layout


Multiple Choice Single Answer
Question How to reveal the capability of the sampling plan to discriminate between good lots and bad lots?
Correct Answer Operating characteristics curve ( OC )


Select The Blank
Question The ________ is the maintenance work initiated on a result of knowledge of the condition of an item from routine or continuous checking.
Correct Answer Condition monitoring


Select The Blank
Question The ________ is the probability that a good lot will be rejected by the sampling plan.
Correct Answer Producer's risk


Multiple Choice Multiple Answer
Question Which of the following are minimum requirement for a good quality of design?
Correct Answer Resonable procurement time , Resonable cost , Resonable manufacturing time


Select The Blank
Question The ________ is a set of tools and techniques by which products are made to comply with the specifications at minimum cost to the firm.
Correct Answer Quality control system


Select The Blank
Question The ________ is necessary when the job requires detailed of one or more of the job characteristics with the help of special equipment which is not available at the producing company.
Correct Answer Inspection order

True/False
Question Delay in completion of projects result in unwelcome additions to the fixed manufacturing expenses.
Correct Answer True


Select The Blank
Question One detachable ticket is prepared for each ________.
Correct Answer Operation


True/False
Question Objective of Work Study is to improve Productivity
Correct Answer True


True/False
Question As a general rule, the number of tail event of an activity is more than that of it's head event.
Correct Answer False


Multiple Choice Single Answer
Question How critical activities are shown in the time chart during project scheduling?
Correct Answer Solid lines


Multiple Choice Multiple Answer
Question Which of the following products should be produced by using mass production?
Correct Answer Refrigerator , Tyre for automobile , Television Set


Select The Blank
Question Work study is also called ________ study
Correct Answer Time and Motion


Multiple Choice Multiple Answer
Question What are the benefits of reconditioning?
Correct Answer Eliminates problems and frequent breakdowns , Increases life of an equipment , It helps to plan requirement of replacement spares

Select The Blank
Question A good maintenance system is not a luxary but a ________.
Correct Answer Necessity


Multiple Choice Single Answer
Question Which of the following technique is event oriented ?
Correct Answer Project Evaluation & Review Technique


Multiple Choice Multiple Answer
Question Which of the following is not the characteristic of Project Production?
Correct Answer Continuous flow of material , Highly mechanised material handling , Virtually zero manufacturing cycle time


True/False
Question Breakdown of a machine is normally accompanied by added machine setup cost such as resetting of jobs or change of jobs.
Correct Answer True


True/False
Question The problems of congestion, bottlenecks and backtracking can not be visualized by using templates and models.
Correct Answer False


Multiple Choice Multiple Answer
Question Which of the following are illustrations of inspection?
Correct Answer Physical count of incoming material against the quantity mentioned in delivery challan , A dimensional check with measuring instrument , Visual check of burrs and finish

Production and Operations Management - 14
LIST OF ATTEMPTED QUESTIONS AND ANSWERS

Multiple Choice Single Answer
Question Which of the following technique makes three time estimates for each activity?
Correct Answer Project Evaluation & Review Technique


True/False
Question Mixed layouts are generally used in case of product is to be produced in different sizes/types: contains too many components
Correct Answer True


True/False
Question In case of two handed process chart, storage symbol is used when either hand is used as grip or vice to hold an object.
Correct Answer True


Match The Following
Question -Correct Answer


Fixation of inventory level -Reorder level


Symptom of ill planned purchasing- Over ordering


Factor influencing material planning- Lead time


Net requirement of material under MRP- Stock on hand


Multiple Choice Multiple Answer
Question Following are the commonly used factors considered for evaluation of layout in factor analysis method
Correct Answer Flow of material , Equipment utilization , Working condition



Multiple Choice Multiple Answer
Question Which of the following are examples of pure materials?
Correct Answer Bakeries , Ice factories , Woolen


Multiple Choice Multiple Answer
Question Which of the following factors decide the choice between the cent percent and sampling inspection?
Correct Answer Nature of inspection , Natural tolerance versus design tolerance , Vendor's quality rating


Multiple Choice Single Answer
Question What do you mean by planned corrective manitenance which provides an opportunity to undertake design modifications in the equipment to eliminate or reduce frequency of breakdowns.
Correct Answer Design-out Maintenance


Multiple Choice Single Answer
Question The product layout has following disadvantage
Correct Answer Layout is not flexible


Multiple Choice Multiple Answer
Question Which utilities are considered as infrastructural requirements?
Correct Answer Disposal of waste , Power , Water


Multiple Choice Multiple Answer
Question Which are the factors on which the structure of the transportation cost depends?
Correct Answer Average distance of shipment , Characteristics of the commodity , Medium of shipment


Multiple Choice Multiple Answer
Question Which are the three basic types of control chart by attribute?
Correct Answer p-chart , c-chart , np-chart



True/False
Question It would not affect the project completion time if non-critical activities take little loner time than planned.
Correct Answer True


Multiple Choice Single Answer
Question A good layout makes effective use of space. Utilization of space for a department like Stores can be measured by
Correct Answer Proportion of Cubic volume space utilized


Multiple Choice Single Answer
Question Process planning is the process of
Correct Answer establishing shortest and most economic path of production


Multiple Choice Single Answer
Question Who prepares the daily production report?
Correct Answer Shop Supervisor


Multiple Choice Multiple Answer
Question Which of the following are examples of gross materials?
Correct Answer Timber , Iron ore , Sugar cane


Multiple Choice Multiple Answer
Question Which of the following defects can be observed during preventive inspection by using human senses?
Correct Answer Deviation from normal sound , Excessive Vibration , Leakage of a gas


Multiple Choice Multiple Answer
Question Which of the following are the objectives of a good maintenance system?
Correct Answer Elimination of unsafe conditions , Minimisation of wear and tear of machines , Ensuring maximum plant availability



Select The Blank
Question Production control work is ________ in case of floor inspection as compared with the centralised inspection.
Correct Answer easier


Select The Blank
Question The easiest way to bring the delayed job within the promised delivery time by using extra shift or weekly holiday is ________.
Correct Answer Overtime working


True/False
Question Latest starting date is the latest finishing time minus activity duration.
Correct Answer True


Select The Blank
Question In case of an OC curve, the risk of rejecting a good quality lot may vary between ________.
Correct Answer 0.01 to 10%


Select The Blank
Question The ________ advocates maintenance procedures whereby the condition of the plant is constantly watched through systematic inspection to unearth unhealthy conditions and preventive
Correct Answer Preventive Maintenance


Select The Blank
Question The ________ breakdowns usually cost more, partly due to damage done to the adjustment components and partly due to emergency actions.
Correct Answer Unexpected


Select The Blank
Question The term ________ emplies the foregone profit due to inability of company to produce.
Correct Answer Opportunity cost


Multiple Choice Single Answer
Question Process type layout is suitable when
Correct Answer there is wide variation in processing time of operations


Select The Blank
Question The ________ is the process of withdrawing the equipment from the production line, dismantling it unitwise, visualising defects, effecting adjustments, replacing worn-out parts and finally building it up to get desired accuracies.
Correct Answer Reconditioning


True/False
Question One major difference between CPM and PERT is the former's adaptability for the projects where high degree of uncertainty prevails and activity times during performance are expected to vary considerably for certain activities.
Correct Answer False


True/False
Question Kanban system is essentially a computer based system for production scheduling and control
Correct Answer False


Select The Blank
Question The ________ is the defect level for which lots are regarded as bad lots.
Correct Answer Lot Tolerance Percentage Defective

Multiple Choice Single Answer
Question How dummy activities are shown in the time chart during project scheduling?
Correct Answer Vertical lines


Match The Following
Question -Correct Answer

Factor Analysis- Method to evaluate layouts


Minimization of production delays- Objective of good layout


Maximum visibility- Principles of good layout


Scale model- Layout analysis


Multiple Choice Multiple Answer
Question In an organization there may not be a formal PPC department if
Correct Answer Work is highly repetitive in nature , Planning activities are performed by the line staff , Number of workmen is not very large


Multiple Choice Multiple Answer
Question Which three of the following are causes of continuous upward pattern of Xbar-R control chart?
Correct Answer Wear of tool , Abnormal rise in temperature , Accumulation of dirt


True/False
Question A network should employ only those dummy activities which are absolutely necessary.
Correct Answer True


Select The Blank
Question The ________ includes preventive maintenance activities whose needs are identified through inspection which requires stoppage of machines.
Correct Answer Shutdown Maintenance


Multiple Choice Single Answer
Question What do you understand by identification of defects in materials, components, machining processes or men to fix responsibility of defectives, thereby preventing or minimising occurance of defectives?
Correct Answer Preventive function


Select The Blank
Question OC curve of ideal sampling plan suggests that all lots less than 3% defectives have the probability of acceptance of ________.
Correct Answer One


Select The Blank
Question A set of activities to keep an equipment in the specified condition is called as ________.
Correct Answer Maintenance


Multiple Choice Single Answer
Question One of the external factors influencing Material Planning is
Correct Answer Price trends


Multiple Choice Multiple Answer
Question What is indicated by the erratic pattern points falling above and below the control limits in the Xbar-R-control chart?
Correct Answer Defects in materials , Poorly trained operators , Frequent adjustments of machines


True/False
Question Inspection should be conducted prior to an operaion, after whose completion no rework whatsoever is possible.
Correct Answer True


Multiple Choice Single Answer
Question What do you mean by CPM?
Correct Answer Critical Path Method


True/False
Question Planned lubrication is said to be the nervous system of the equipment.
Correct Answer True



True/False
Question In case of X bar-R charts,it is ensured that the assignable causes are detected before the tolerances are violated, upper and lower statistical limits are worked out and inserted into a chart.
Correct Answer True


Multiple Choice Single Answer
Question Provision of drainage facilities is important for the following type of industry
Correct Answer Chemical Process


Production and Operations Management - 13
LIST OF ATTEMPTED QUESTIONS AND ANSWERS



Select The Blank
Question
The ________ must ensure that the product satisfy the functional requirements of it's usage.
Correct Answer
Quality of design


Multiple Choice Multiple Answer
Question
Which of the following information is available in summary of part in a chart during methods study?
Correct Answer
Frequency of each symbol , Total time for each symbol , Total distance travelled by the object


True/False
Question
The event numbers as far as possible reflect the logical relationships of the activities.
Correct Answer
True



Multiple Choice Single Answer
Question
Which varaible is taken along the ordinate or Y axis?
Correct Answer
Quality



Multiple Choice Multiple Answer
Question
Which of the following schedules are recommended to prepare and follow as a part of preventive maintenance system?
Correct Answer
Preventive inspection schedule , Cleaning and upkeep schedule , Lubrication schedule


Multiple Choice Single Answer
Question
Which kind of preventive inspection detects some maintenance related characteristics by making use of human senses, when equipment is in operation?
Correct Answer
Extrernal inspection



Multiple Choice Multiple Answer
Question
Which are different ways to show critical path in a network?
Correct Answer
Thick Line , Red Line , Double Line


Multiple Choice Multiple Answer
Question
What are the benefits of overhauling?
Correct Answer
It increases useful life of an equipment and it's parts , Advance planning allows to attend equipment without disturbing the production programme , Advance planning allows to prepare and keep ready the list of replacement spares


Match The Following
Question
Correct Answer

Combined Layout
Mixed Layout

Fixed Position Layout
Project Layout

Product Layout
Line Layout


Process Layout
Functional Layout


Multiple Choice Multiple Answer
Question
Which of the following factors play important role while selecting or rejecting a particular site from legislation and taxation point of view?
Correct Answer
Labour laws , Building codes , Policies regarding issue of licences


Select The Blank
Question
The ________ is the maximum percentage defective that for the purpose of sampling inspection can be considered satisfactory as a process average.
Correct Answer
Acceptable quality level


Multiple Choice Multiple Answer
Question
Major contributors in the development of Control Charts, Sampling plan are
Correct Answer
F H Dodge , H G Roming , Walter Schewhart


True/False
Question
Skill of labour force in a product type layout is usually higher than in the process type of layout
Correct Answer
False


True/False
Question
Repetitive movements between work stations which are difficult to be traced on string diagrams can be conveniently shown on flow diagrams.
Correct Answer
False


Select The Blank
Question
The ________ is necessary when the job requires detailed of one or more of the job characteristics with the help of special equipment which is not available at the producing company.
Correct Answer
Inspection order



Multiple Choice Multiple Answer
Question
Which of the following cases can be referred as operation in method study recording?
Correct Answer
Change in physical characteristic , Consumption of physical effort , Change in chemical characteristic


Select The Blank
Question
The ________ is the maintenance work initiated on a result of knowledge of the condition of an item from routine or continuous checking.
Correct Answer
Condition monitoring


True/False
Question
All activities lying on the non-critical paths must have total float and free float.
Correct Answer
False



Select The Blank
Question
Work study is also called ________ study
Correct Answer
Time and Motion



Match The Following
Question
Correct Answer

Crash cost of an activity
Cc

Normal time of an activity
Tn

Crash time of activity
Tc

Normal cost of an activity
Cn

Multiple Choice Multiple Answer
Question
Which are the advantages of suburban location?
Correct Answer
Avaialability of adequate land at lower cost , Both skilled and unskilled labour can be available , Plant expansion is easier due to less or no restriction for building and construction


True/False
Question
In case of X bar-R charts,it is ensured that the assignable causes are detected before the tolerances are violated, upper and lower statistical limits are worked out and inserted into a chart.
Correct Answer
True
Multiple Choice Single Answer
Question
Which of the following is the criteria for the percentage defectives in the zone of the indecision?
Correct Answer
Lots having the percentage defective more than AQL but less than LPTD


Select The Blank
Question
The easiest way to bring the delayed job within the promised delivery time by using extra shift or weekly holiday is ________.
Correct Answer
Overtime working


Multiple Choice Single Answer
Question
What do you mean by lowest possible direct cost required to complete an activity within it's crashed time?
Correct Answer
Crash cost



Multiple Choice Single Answer
Question
In case of Batch Production which kind of labour is expected?
Correct Answer
Skilled in one specific Manufacturing Process

Multiple Choice Multiple Answer
Question
Which three of the following are causes of continuous upward pattern of Xbar-R control chart?
Correct Answer
Wear of tool , Abnormal rise in temperature , Accumulation of dirt


True/False
Question
Root cause of most of the breakdowns is failure of the lubrication system.
Correct Answer
True

True/False
Question
It is not necessary to know spare time available on the non-critical path to allow a little delay for noncritical activity.
Correct Answer
False



True/False
Question
MRP software generates time periodwise requiremetn of subassemblies
Correct Answer
True



True/False
Question
In case of two handed process chart, the simultaneous activities of both hands are recorded opposite to each other on the chart.
Correct Answer
True


Multiple Choice Single Answer
Question
What do you mean by CPM?
Correct Answer
Critical Path Method

Multiple Choice Multiple Answer
Question
Which of the following are major inputs to scheduling?
Correct Answer
Overlapping of operations , Effective Capacity per work centre , Performance standards

Multiple Choice Multiple Answer
Question
Lack of material planning results in the following
Correct Answer
Over ordering , under ordering , stockouts


Multiple Choice Single Answer
Question
What do you mean by the verification of object against predetermined standards of quality or quantity or both?
Correct Answer
Inspection

Multiple Choice Multiple Answer
Question
What are the advantages of templates over diagrams?
Correct Answer
Can be conveniently moved on the graph paper , Less laborious , Saves time

True/False
Question
It would not affect the project completion time if non-critical activities take little loner time than planned.
Correct Answer
True


Select The Blank
Question
The ________ is the probability that a good lot will be rejected by the sampling plan.
Correct Answer
Producer's risk


Multiple Choice Single Answer
Question
Any premise in which persons are employed for purpose of making any product/s is called
Correct Answer
Factory

Select The Blank
Question
An Ideal OC curve is ________ shaped curve that accpets all the lots with quality equal to or better than AQL .
Correct Answer
Rectangular


Multiple Choice Single Answer
Question
Which is the right time to prepare stores issue order?
Correct Answer
When route sheet is ready


Multiple Choice Single Answer
Question
Which element of a network represents a task which has got a definite beginning and definite end?
Correct Answer
Activity


Multiple Choice Single Answer
Question
Which kind of preventive inspection detects some defects in moving parts, internal cracks, and others , when machine is under preplanned shutdown?
Correct Answer
Internal inspection


Select The Blank
Question
Production Planning is a centralised activity which includes functions such as ________
Correct Answer
Scheduling


Select The Blank
Question
The ________ is the watch dog which ensures that every element of production and activities which could affect the quality of end product are regulated to the extent desirable.
Correct Answer
Quality control


Select The Blank
Question
Goods after final inspection should accompany ________to enable dispatch department to identify and draw correct reference.
Correct Answer
Forwarding note


Multiple Choice Single Answer
Question
Who has introduced the useful concept of control chart in 1931?
Correct Answer
Walter Shewhart

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