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Mechanical Engineering Quiz 29

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Mechanical Engineering Quiz 29

1 / 50

No liquid can exist as liquid at____________________?

2 / 50

Artificial radioactive isotopes find application in________________?

3 / 50

To obviate axial thrust, following gear drive is used_____________________?

4 / 50

Kinematic pairs are those which have___________________?

5 / 50

The possible loading in various members of framed structures are_________________?

6 / 50

Tungsten in steel________________?

7 / 50

An ideal gas as compared to a real gas at very high pressure occupies_________________?

8 / 50

The biggest size of thermal power unit operating in India is ________________?

9 / 50

Uranium-233 is produced__________________?

10 / 50

Which of the following is not wage incentive plan_________________?

11 / 50

One gram of uranium will produce energy equivalent to approximately____________________?

12 / 50

In a _____________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram?

13 / 50

The work done per unit mass of air in compression will?be least when n is equal to______________?

14 / 50

An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?

15 / 50

All the four operations in two stroke engine are performed in following number of revolutions of crank shaft______________________?

16 / 50

Bernoulli equation deals with the law of conservation of__________________?

17 / 50

Freezing temperature of petrol is usually__________________?

18 / 50

The conditions for the stable equilibrium of a floating body are___________________?

19 / 50

Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it_________________?

20 / 50

Which of the following refrigerants has lowest freezing point_______________?

21 / 50

A force is completely defined when we specify_______________?

22 / 50

The shell diameter and length of locomotive boiler are_______________?

23 / 50

The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P_____________________?

24 / 50

The number of links in pantograph mechanism is equal to______________?

25 / 50

For a product layout the material handling equipment must _________________?

26 / 50

Which of the following is expected to have highest thermal conductivity_______________?

27 / 50

Ratio of compression is the ratio of__________________?

28 / 50

Basic hole is one_________________?

29 / 50

The stress necessary to initiate yielding is_________________?

30 / 50

The bituminous coal is non-caking if its carbon content is_______________?

31 / 50

The specific gravity of diesel oil Is_________________?

32 / 50

A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is____________________?

33 / 50

The Young?s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?

34 / 50

The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?

35 / 50

For a floating body to be in stable equilibrium, its metacentre should be___________________?

36 / 50

An important property of high silicon (12 ? 18%) cast iron is the high__________________?

37 / 50

Acceptance sampling is widely used in________________?

38 / 50

The unit of energy in S.I. units is________________?

39 / 50

A fission chain reaction in uranium can be developed by________________?

40 / 50

An open vessel of water is accelerated up an inclined plane. The free water surface will__________________?

41 / 50

The following types of materials are usually the most ductile__________________?

42 / 50

If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be________________?

43 / 50

Air injection in I.C engines refers to injection of___________________?

44 / 50

Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?

45 / 50

The basic requirement of a good combustion chamber is___________________?

46 / 50

?Open pairs are those which have__________________?

47 / 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__________________?

48 / 50

Which of the following do not have identical dimensions ?

49 / 50

The example of rolling pair is________________?

50 / 50

Constantant an alloy used in thermocouples is an alloy of __________________?

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