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Mechanical Engineering Quiz 16

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Mechanical Engineering Quiz 16

1 / 50

The ash content in diesel oil should bot be more than_______________?

2 / 50

Maximum energy loss in a boiler occurs due to _______________________?

3 / 50

A steam pipe is to be insulated by two insulating materials put over each other . For best results__________________?

4 / 50

A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are________________?

5 / 50

The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?

6 / 50

Thermal conductivity of a material may be defined as the________________?

7 / 50

Pick up wrong statement about wrought iron ?

8 / 50

In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?

9 / 50

Gnatt chart provides information about the________________?

10 / 50

Absolute zero pressure will occur _____________________?

11 / 50

According to fan laws, at constant pressure, the speed capacity and power vary_________________?

12 / 50

The percentage of carbon in grey iron castings usually varies between __________________?

13 / 50

Mechanical efficiency of gas turbines as compared to I.C engines is____________________?

14 / 50

The appellate authority for an industrial dispute is________________?

15 / 50

The piston rod of a steam engine is usually connected to the cross head by means of__________________?

16 / 50

In air breathing jet engine, the jet is formed by expanding__________________?

17 / 50

Pick up the incorrect statement from the following ?

18 / 50

The allowed time for a job equals standard time plus___________________?

19 / 50

Proof resilience per material is known as________________?

20 / 50

Any change in load is adjusted by adjusting following parameter on turbine______________?

21 / 50

Surface tension__________________?

22 / 50

In a tensile test, near the elastic limit zone, the______________?

23 / 50

In a typical medium speed, 4-stroke cycle diesel engine ___________________?

24 / 50

Allen bolts are___________________?

25 / 50

Orsat meter is used for__________________?

26 / 50

The air-fuel ratio of the petrol engine is controlled by__________________?

27 / 50

For the allotropic forms of iron, the points of arrest are __________________?

28 / 50

Which of the following is the lightest and most volatile liquid fuel________________?

29 / 50

Addition of silicon to aluminium results in____________________?

30 / 50

Creep in belt drive is due to____________________?

31 / 50

In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will_________________?

32 / 50

The wastage of material in the store is taken into account by the following method in the evaluation of the material issued from the store_______________?

33 / 50

The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?

34 / 50

Cam size depends upon__________________?

35 / 50

The elastic stress strain behaviour of rubber is_____________________?

36 / 50

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?

37 / 50

The time oscillation of a floating body with increase in metacentric height will be_________________?

38 / 50

Maximum delivery pressure is a rotary air compressor is of the order of__________________?

39 / 50

In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of__________________?

40 / 50

A streamline is defined as the line________________?

41 / 50

Per cent idle time for men or machines is found by___________________?

42 / 50

Basic shaft is one__________________?

43 / 50

If the intake air temperature of I.C engine increases, its efficiency will_________________?

44 / 50

If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?

45 / 50

The most popular type of organisation used for Civil Engineering Constructions is_________________?

46 / 50

Choose the wrong statement ?

47 / 50

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?

48 / 50

Hardness of lower bainite (tempered martensite) is about________________?

49 / 50

Basic motion time study gives times for basic motions in ten thousandths of_______________?

50 / 50

The efficiency of Carnot cycle is maximum for_____________________?

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