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Mechanical Engineering Quiz 1

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Mechanical Engineering Quiz 1

1 / 50

Routing prescribes the_________________?

2 / 50

For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I. engine will be________________?

3 / 50

Propulsive efficiency is defined as ratio of___________________?

4 / 50

In actual machines_______________?

5 / 50

Oldham?s coupling is the ____________________?

6 / 50

Which of the following is not correct procedure to increase the fatigue limit_______________?

7 / 50

A completely constrained motion can be transmitted with __________________?

8 / 50

Injection lag is_________________?

9 / 50

Work study comprises following main techniques_________________?

10 / 50

The following property is most important for material used for gas turbine blade___________________?

11 / 50

For obtaining high COP, the pressure range of compressor should be_______________?

12 / 50

Paramagnetic alpha iron changes to gamma iron at_______________?

13 / 50

Gas turbine cycle consists of___________________?

14 / 50

Efficiency of gas turbine is increased by________________ ?

15 / 50

Diamond riveted joint can be adopted in the case of following type of joint _____________________?

16 / 50

For steel, the ultimate strength in shear as compared to in tension is nearly _________________?

17 / 50

Gas turbine cycle with Regenerator __________________?

18 / 50

The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is_______________?

19 / 50

Castle nut is a locking device in which__________________?

20 / 50

Fast breeder reactor uses___________________?

21 / 50

True stress-strain curve for materials is plotted between__________________?

22 / 50

Indicator diagram of a reciprocating pump is a graph between________________?

23 / 50

The efficiency of a centrifugal pump is maximum when its blades are__________________?

24 / 50

Perminvar alloy having constant permeability is an alloy of________________?

25 / 50

Which process will increase the fatigue duration of parts ?

26 / 50

Forces are called concurrent when their lines of action meet in________________?

27 / 50

The maximum frictional force which comes into play when a body just begins to slide over another surface is called__________________?

28 / 50

Work ratio of a gas turbine plant is ratio of______________________?

29 / 50

Euler?s equation is applicable for__________________?

30 / 50

Which of the following quantities is not the property of the system__________________?

31 / 50

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________?

32 / 50

Pick up the incorrect statement from the following. A critical ratio scheduling____________________?

33 / 50

Which device is used in thermal power plants to reduce level of pollution___________________?

34 / 50

The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as_________________?

35 / 50

The specific weight of water is 1000 kg/m?_________________?

36 / 50

The standard time for a job is_________________?

37 / 50

A simple turbo-jet engine is basically_________________?

38 / 50

A number of forces acting at a point will be in equilibrium if_____________________?

39 / 50

One horsepower is equal to_________________?

40 / 50

In the cross compounding of the gas turbine plant__________________?

41 / 50

In composite or reverse laid ropes___________________?

42 / 50

The operation of straightening a curved sheet metal, is known as____________________?

43 / 50

For low load operation, more suitable (economical) engine is_______________?

44 / 50

Pulley in a belt drive acts as_______________?

45 / 50

Deposition of carbon in petrol engine cylinder would result in increase of__________________?

46 / 50

Which is not the correct statement about moisture in coal ______________________?

47 / 50

If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge_____________________?

48 / 50

Choose the wrong statement ?

49 / 50

The property of a material which allows it to be drawn into a smaller section is called________________?

50 / 50

The materials which exhibit the same elastic properties in all directions are called______________?

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