Mechanical Engineering Quiz 4

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Mechanical Engineering Quiz 4

1 / 50

Set screws are_________________?

2 / 50

Buoyant force is___________________?

3 / 50

In steel plant the most important system for materials handling is_____________________?

4 / 50

Addition of manganese to aluminium results in__________________?

5 / 50

Material handling in automobile industry is done by_________________?

6 / 50

The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will___________________?

7 / 50

It is not possible to use closed gas turbine cycle in aeronautical engines because_________________ ?

8 / 50

Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?

9 / 50

Fluid is a substance that___________________?

10 / 50

Evaporative capacity of boiler is expressed as____________________?

11 / 50

Scavenging air in diesel engine means___________________?

12 / 50

Gas cooled reactor uses following materials as moderator, and coolant____________________?

13 / 50

Pick up the wrong statement Fast breeder reactors__________________?

14 / 50

The lower pair is a_____________________?

15 / 50

The economizer is used in boilers to _______________________?

16 / 50

The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________________?

17 / 50

In which of the following layouts, the lines need to the balanced_______________?

18 / 50

According to Avogadro?s law, for a given pressure and temperature, each molecule of a gas_________________?

19 / 50

The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is__________________?

20 / 50

Which of the following alloys does not have copper as one of the constituents________________?

21 / 50

A cable with a uniformly distributed load per horizontal meter run will take the following shape________________?

22 / 50

Pick up false statement?

23 / 50

A dummy activity________________?

24 / 50

Merit Rating is the method of determining worth of_______________?

25 / 50

The pressure ratio in gas turbines is of the order of__________________?

26 / 50

Runaway speed of a hydraulic turbine is_________________?

27 / 50

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if____________________?

28 / 50

In nuclear fission each neutron that causes fission releases_______________?

29 / 50

Carnot cycle has maximum efficiency for__________________?

30 / 50

Thermal conductivity of air with rise in temperature__________________?

31 / 50

Multistage centrifugal pumps are used to obtain___________________?

32 / 50

The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is____________________?

33 / 50

Pick up the incorrect statement from the following?

34 / 50

Pour point of fuel oil is the_________________?

35 / 50

Rotary compressors are suitable for ____________________?

36 / 50

When crude oil is heated, then which of the following hydrocarbon is given off first______________?

37 / 50

The amount of radiation mainly depends on___________________?

38 / 50

Uniform flow occurs when ___________________?

39 / 50

In malleable iron, carbon is present in the form of___________________?

40 / 50

Installation of supercharger on a four-cycle diesel engine can result in the following percentage increase in power_____________?

41 / 50

Which of the following is not the unit of pressure ?

42 / 50

One of the basic essentials of an incentive plan is that_________________?

43 / 50

Dynamic friction as compared to static friction is __________________?

44 / 50

Grey cast iron_____________________?

45 / 50

A cable with a uniformly distributed load per horizontal metre run will take the following shape_________________?

46 / 50

For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?

47 / 50

Units of surface tension are____________________?

48 / 50

Which of the following fuels can be used in turbojet engines _____________________?

49 / 50

On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be_________________?

50 / 50

Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?

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