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Mechanical Engineering Quiz 27

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Mechanical Engineering Quiz 27

1 / 50

TMU in method time measurement stands for__________________?

2 / 50

The strap end of a connecting rod of steam engine is joined by_________________?

3 / 50

In the case of steady flow of a fluid, the acceleration of any fluid particle is________________?

4 / 50

The torsional rigidity of a shaft is expressed by the_______________?

5 / 50

The magnitude of tangential acceleration is equal to____________________?

6 / 50

If two moving elements have surface contact in motion, such pair is known as_________________?

7 / 50

The value of COP in vapour compression cycle is usually__________________?

8 / 50

A big advantage of PERT over Gantt charts is that in the former case_________________?

9 / 50

A tap bolt_____________________?

10 / 50

The materials having same elastic properties in all directions are called________________?

11 / 50

Under-cooling in a refrigeration cycle_________________?

12 / 50

In an immersed body, centre of pressure is __________________?

13 / 50

PERT is the__________________?

14 / 50

To reduce the possibility of knock in the C.I. engines, the first elements of fuel and air should have_______________?

15 / 50

With increase in load, convection superheater has_______________________?

16 / 50

In a PERT chart___________________?

17 / 50

Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts__________________?

18 / 50

The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is_______________?

19 / 50

In a centrifugal pump casing, the flow of water leaving the_______________?

20 / 50

Pour point of fuel oil is the____________________?

21 / 50

The part of the coupling that actually transmits power and rotation from one shaft to the other shaft is_________?

22 / 50

A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?

23 / 50

The safety valve at superheater as compared to drum safety valve setting is set at___________________?

24 / 50

Which of the following is a water tube boiler_________________?

25 / 50

A low unit cost can be obtained by following____________________?

26 / 50

The high pressure boiler is oiie producing steam at a pressure more than_________________?

27 / 50

For a kinematic chain to be considered as mechanism___________________?

28 / 50

The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of________________?

29 / 50

The speed of sound in a ideal gas varies directly as its__________________?

30 / 50

The air-fuel ratio in gas turbines is of the order of ______________________?

31 / 50

The units of kinematic viscosity are____________________?

32 / 50

For reversible adiabatic process, change in entropy is_________________?

33 / 50

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimidstroke respectively, is__________________?

34 / 50

Cross head and guides form a _________________?

35 / 50

Compressive strength of grey cast iron in tonnes/cm is of the order of___________________?

36 / 50

A gas turbine used in air craft should have______________________?

37 / 50

The presence of sulphur in pig iron makes__________________?

38 / 50

The units of moment of inertia of mass are ________________?

39 / 50

Measurement of temperature is based on_________________?

40 / 50

Which of the following represents the allotropic forms of iron__________________?

41 / 50

The efficiency and work ratio of a gas turbine plant can be increased by _____________________?

42 / 50

In a non-flow reversible process for which p = (- 3V+ 15) x 105N/m2,V changes from 1 m to 2 m3. The work done will be about_______________?

43 / 50

A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as_________________?

44 / 50

Allowable pressure on high-pressure side or ammonia absorption system is of the order of_________________?

45 / 50

Superheating of steam is done at_________________?

46 / 50

An economiser in a boiler______________________?

47 / 50

According to law of triangle of forces __________________ ?

48 / 50

The weight per horse power ratio for gas. turbine as compared to I.C engine and steam turbine is________________?

49 / 50

The objective of time study is to determine the time required to complete a job by_______________?

50 / 50

The material commonly used for air craft gas turbine is__________________?

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