1451. Queuing theory is used for____________________?
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A. inventory problems

B. traffic congestion studies

C. all of the above

D. none of the above

E. job-shop scheduling

1452. Method of governing used in diesel engine is__________________?
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A. quality governing

B. combined governing

C. partial governing

D. nit and miss governing

E. quantity governing

1453. In open combustion chamber in diesel engines____________________?
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A. only a part of air charge is contained in an auxiliary chamber in which the fuel starts to burn with insufficient air which due to explosion tendency mixes thoroughly into main cylinder charge

B. there are no valves.

C. fuel is injected at atmospheric pressure

D. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on fuel mixture

E. fuel is injected into an auxiliary chamber that is separated from the cylinder by an orifice or throat

1454. Gnatt charts provide information about_____________?
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A. value analysis

B. determining selling price

C. break even point analysis

D. material handling layout

E. production schedule
1456. An event is indicated on the network by_________________?
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A. a number enclosed in a circle or a square

B. an arrow

C. a straight line

D. a straight line with circles at the ends

E. a dotted line

1457. Bin card is used in__________________?
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A. stores

B. workshop

C. assembly shop

D. foundry shop

E. administrative wing

1458. The mathematical technique for finding the best use of limited resources in an optimum manner is known as___________________?
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A. queuing theory

B. operation research

C. break-even analysis

D. linear programming

E. network analysis

1459. Which of the following statements is correct ?
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A. All the irreversible engines have same efficiency

B. All the reversible engines have same efficiency

C. Both Rankine and Caront cycles have same efficiency between same temperature limits

D. All reversible engines working between same temperature limits have same-efficiency

E. Between same temperature limits, both petrol and diesel engines have same efficiency

1460. The basic requirement of a good combustion chamber is___________________?
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A. low volumetric efficiency

B. minimum turbulence

C. low compression ratio

D. high power output and high thermal efficiency

E. high compression ratio

1461. Slack represents the difference between the___________________?
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A. latest allowable time and the normal expected time

B. project initiation tune and actual starting time

C. latest allowable time and the earliest expected time

D. proposed allowable time and the earliest expected time

E. normal allowable time and the latest expected time

1462. Criticalpath on PERT/CPM chart is obtained by joining the events having____________________?
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A. no slack

B. maximum slack

C. average slack

D. minimum slack

E. judgement and experience

1464. The two-bin system is concerned with_________________?
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A. forecasting sales

B. none of the above

C. production planning

D. despatching and expediting

E. ordering procedure
1465. The objective of time study is to determine the time required to complete a job by_______________?
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A. slow worker

B. any one of the above

C. new entrant

D. fast worker

E. average worker
1466. Work study is concerned with_________________?
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A. improving production capability

B. motivation of workers

C. improving present method and finding standard time

D. all of the above

E. improving production planning and control

1467. Injection lag is_________________?
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A. none of the above

B. the time taken by fuel after injection (before top dead center) to reach upto auto-ignition temperature

C. time before actual fuel injection and the pump pluger starts to pump fuel

D. time corresponding to actual injection and top dead center

E. time corresponding to actual ignition and top dead center

1468. Pick up the incorrect statement about advantages of work sampling_________________?
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A. permits a fine breakdown of activities and delays

B. simultaneous study of many operators may be made by a single observer

C. no time measuring devices are generally needed

D. as operators are not watched for long periods, chances of obtaining misleading results are less

E. calculations are easier, method is economical and less time consuming

1469. If TL is the largest allowable event occurrence time, total activity slack (s) is equal to__________________?
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A. none of the above

B. all of the above

C. TL-EFT

D. latest finish time earliest finish time (EFT)

E. latest start time earliest start time

1470. Ignition quailty of petrol is expressed by___________________?
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A. self ignition temperature

B. cetane number

C. calorific value

D. distillation temperature

E. octane number
1471. The assumption in PERT is__________________?
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A. commissioning time can be changed, if activities are behind schedule

B. activities are fixed and cant be changed ,

C. cost of project will always be more than the estimated cost, if no timely corrections are taken

D. a project can be subdivided into a set of predictable, independent activities

E. a project will always be behind schedule, if left uncorrected

1472. Piston rings are plated with chromium,cadmium or phosphate in order to__________________?
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A. reduce wear and eliminate scuffing

B. improve heat transfer

C. reduce cost

D. prevent clogging

E. improve surface finish

1473. Power impulses from an I.C. engine are somoothed out by__________________?
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A. timing spark properly

B. flywheel

C. governor

D. gear box

E. crank shaft

1474. Piston rings are usually made of___________________?
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A. babbitt

B. cast iron

C. aluminium

D. phosphor bronze

E. carbon steel

1476. Ignition lag is__________________?
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A. the time taken by fuel after injection (before top dead center) to reach upto auto-ignition temperature

B. time corresopnding to actual ingition and top dead center

C. none of the above

D. time before actual fuel injection and the pump plunger starts to pump fuel

E. time corresponding to actual injection and top dead center

1477. Positive slack on a PERT indicates that project is________________?
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A. ahead of schedule

B. on critical path

C. none of the above

D. beyond schedule

E. as per schedule

1478. String diagram is used_________________?
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A. all of the above

B. when a group of workers are working at a place

C. none of the above

D. where processes require the operator to be moved from one place to another

E. for checking the relative values of various layouts

1481. Which of the following equations is not in conformity with others______________?
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A. performance x resources

B. organisation performance x motivation = profits

C. ability x motivation = performance

D. attitude x situation = motivation

E. knowledge x skill = ability

1482. A two stroke engine is usually identified by__________________?
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A. size of flywheel

B. type of lubrication system

C. absence of valves

D. location of fuel tank

E. weight of engine

1483. The ignition coil in diesel engines produces voltage of the order of________________?
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A. 20,000 volts

B. 80,000 volts

C. 6 to 12 volts

D. 1000 volts

E. 240 volts

1484. Bar charts are suitable for_____________________?
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A. large projects

B. major works

C. all of the above

D. minor works

E. none of the above

1486. Auto-ignition temperature is____________________?
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A. temperature at which it solidifies or congeals

B. minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

C. that at which it catches fire without external aid

D. indicated by 50% distillation temperature

E. indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off

1487. One of the basic essentials of an incentive plan is that_________________?
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A. all standards should be based on optimum standards of production

B. all standards should be based on time studies

C. minimum wages should be guaranteed

D. provide incentive to group efficiency performance

E. a differential piece rate system should exist

1488. Pick up the correct statement from the following?
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A. critical path method provides a realistic approach to the daily problems

B. critical path method avoids delays which are very common in bar chart

C. all of the above

D. critical path method was invented by Morgan R. Walker of Dupot and James E. Kelley of Remington U.S.A in 1957

E. critical path method is an improvement upon bar chart method

1489. Ethyl fluid is used_______________________?
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A. to improve lubricating quality of fuel

B. as a defrosting agent

C. as a superior type of fluid compared to others

D. to increase the octane rating of the fuel

E. to increase the cetane rating of the fuel

1490. In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will_________________?
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A. increase or decrease knocking tendency depending on strength and time of spark

B. increase the knocking tendency

C. not affect the knocking tendency

D. decrease the knocking tendency

E. unpredictable

1492. Routing assists engineers in deciding in advance___________________?
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A. the methods of proper utilization of machines

B. normal route of workers through the plant

C. the flow of material in the plant

D. the layout of factory facilities

E. the methods of proper utilization of manpower

1493. For ship vessel industry the following layout is best suited_________________?
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A. fixed position layout

B. functional layout

C. product layout

D. plant layout

E. process layout

1494. In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if_________________?
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A. complete detailsof items in, waiting line are known

B. all variables and constants are known and form a linear equation

C. the laws governing arrivals, service times, and the order in which the arriving units are taken into source are known

D. all of the above

E. arrival and waiting times are known and can be grouped to form a waiting line model

1495. The m.e.p. of a diesel cycle having fixed compression ratio with increase in cut-off will_________________?
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A. increase

B. unpredictable

C. be unaffected

D. depend on other factors

E. decreae

1496. With increase in speed of vehicle, the back pressure will________________?
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A. none of the above

B. increase

C. decrease

D. depend on other factors

E. remain unalfected

1497. For low load operation, more suitable (economical) engine is_______________?
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A. S.I. engine

B. C.I. engine

C. both are equally good

D. multicylinder engine

E. two stroke engine

1498. Value for value engineering and analysis purposes is defined as_____________________?
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A. function/cost

B. saleable value

C. depreciated value

D. present worth

E. purchase value

1499. A two stroke crank compressed engine has following ports in the cylinder_______________?
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A. transfer port and exhaust port

B. suction port and exhaust port

C. suction port and transfer port

D. transfer port only

E. suction port, exhaust port and transfer port
1500. Standing orders which are statutory are applicable to__________________?
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A. only major industries

B. only key industries

C. all process industries and thermal power plants

D. all industries

E. all industries employing more than 100 workers