mechanical engineering MCQs – Page 75

Practise multiple-choice questions from mechanical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

mechanical engineering Mcqs

1. compressors gas turbines and jet engines 2. theory of machines 3. nuclear power plants 4. engineering materials 5. strength of materials mechanical engineering 6. thermodynamics 7. heat transfer 8. i c engines 9. steam boilers engines nozzles and turbines 10. engineering mechanics 11. fluid mechanics mechanical engineering 12. production technology 13. machine design 14. hydraulic machines 15. workshop technology 16. refrigeration and air conditioning

1481. Which of the following equations is not in conformity with others______________?
0

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__________________?
0

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________________?
0

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_____________________?
0

A. large projects

B. major works

C. all of the above

D. minor works

E. none of the above

1485. If a worker gets a daily wage of Rs HA, then according to Rowan plan, his maximum daily earnings can be______________________?
0

A. 2.5 HA

B. 1.5 HA

C. 2 HA

D. 1.15 HA

E. 1.33 HA

1486. Auto-ignition temperature is____________________?
0

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_________________?
0

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?
0

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_______________________?
0

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_________________?
0

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

1491. In the case of petrol engine at maximum output, the percentage of CO in exhaust gases is ____________________?
0

A. Depends on load and quality of fuel

B. 5-10%

C. Zero

D. Considerable percent

1492. Routing assists engineers in deciding in advance___________________?
0

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_________________?
0

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_________________?
0

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_________________?
0

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________________?
0

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_______________?
0

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_____________________?
0

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_______________?
0

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__________________?
0

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

Previous Next

Showing 1481 to 1500 of 4266 mcqs