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Mechanical Engineering Quiz 23

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Mechanical Engineering Quiz 23

1 / 50

Critical path moves along the activities having total float of_____________________?

2 / 50

Lancashire ?boiler is a__________________?

3 / 50

The specific fuel consumption per BHP hour for diesel engine is approximately___________________?

4 / 50

High air-fuel ratio is used in gas turbines______________________?

5 / 50

A bolt___________________?

6 / 50

Emergency rush order can be pushed more effectively in__________________?

7 / 50

During the opening of a valve in a pipe line, the flow is_________________?

8 / 50

An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ?g? at this place is _________________?

9 / 50

Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?

10 / 50

The COP of a domestic refrigerator___________________?

11 / 50

Clapeyron equation is a relation between___________________?

12 / 50

The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?

13 / 50

Pick up the wrong statement about supercharging __________________?

14 / 50

An engineer?s hammer is made of___________________?

15 / 50

The example of spherical pair is_____________________?

16 / 50

There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would__________________?

17 / 50

Thermal diffusivity of a substance is ____________________?

18 / 50

If a part is constrained to move and heated, it will develop ____________________?

19 / 50

Center of buoyancy is the___________________?

20 / 50

Water boils when its vapour pressure ___________________?

21 / 50

A foot step bearing and rotor of a vertical turbine form examples of___________________?

22 / 50

Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________________?

23 / 50

Which of the following gases has the highest calorific value ________________?

24 / 50

The unit of Stefan Boltzmann constant is ____________________?

25 / 50

Ductile cast iron___________________?

26 / 50

On Millier chart, the constant pressure lines_________________?

27 / 50

Pick up the wrong statement about advantages of multistage compression____________________?

28 / 50

The shrinkage allowance for cast iron pattern is________________?

29 / 50

The operation of forcing additional air under pressure in the engine cylinder is known as________________?

30 / 50

To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?

31 / 50

Process layout is employed for_________________?

32 / 50

The ratio of isentropic work to euler?s work is known as _____________________?

33 / 50

The delay period in petrol engine is of the order of__________________?

34 / 50

A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?

35 / 50

The moisture in a refrigerant is removed by___________________?

36 / 50

Gradually varied flow is__________________?

37 / 50

For simple harmonic motion of the of follower, a cosine curve represents___________________?

38 / 50

Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called________________?

39 / 50

In the breeder reactors the generation of new fissionable atom is_________________?

40 / 50

Rectangular bar in a rectangular hole is the following type of pair__________________?

41 / 50

Metacentric height is the distance between the metacentre and_______________?

42 / 50

The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is_________________?

43 / 50

If a load W is applied instantaneously on a bar; then the stress induced in bar will___________________?

44 / 50

Boiling water reactor uses the following as moderator, coolant and working fluid________________?

45 / 50

Father of time study was_________________?

46 / 50

In triggering fission, the following types of neutrons are desirable_________________?

47 / 50

Froude number is significant in__________________?

48 / 50

The important file in making a PERT is__________________?

49 / 50

As the number of cylinders in multi-cylinder engine increases, the power to weight ratio_______________?

50 / 50

DuraJomin contains___________________?

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