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Mechanical Engineering Quiz 26

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Mechanical Engineering Quiz 26

1 / 50

Slack represents the difference between the___________________?

2 / 50

Carbon residue in diesel oil should not be more than___________________?

3 / 50

A self locking screw has________________>

4 / 50

The unit of power in S.I. units is_______________________?

5 / 50

For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal____________________?

6 / 50

ABC analysis deals with_________________?

7 / 50

A bench vice has following type of threads____________________?

8 / 50

The efficiency of I.C engines normally is of the order of_________________?

9 / 50

A cold chisel is made of_______________?

10 / 50

The fatigue life of a part can be improved by_____________________?

11 / 50

The Bifilar suspension method is used to determine__________________?

12 / 50

The total energy released in fission of U is__________________?

13 / 50

The sense of Corioli?s component is such that it_________________?

14 / 50

Pick up the false statement ?

15 / 50

The size of inlet valve of.an engine in comparison to exhaust valve is_________________?

16 / 50

Heat transfer by radiation mainly depends upon___________________?

17 / 50

Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?

18 / 50

For the same lift and same angle of ascent, a smaller base circle will give_______________?

19 / 50

Two pipe systems can be said to be equivalent, when the following quantities are same__________________?

20 / 50

Critical temperature is? the temperature above which _____________________?

21 / 50

Resilience of a material is considered when it is subjected to_________________?

22 / 50

A universal joint is an example of_____________________?

23 / 50

The three ?Ts? for good combustion are____________________?

24 / 50

Thermal diffusivity of a substance is __________________?

25 / 50

The change in internal energy in steam engines equals to__________________?

26 / 50

Pick up the wrong statement?

27 / 50

A refrigeration cycle operates between condenser temperature of + 27?C and evaporator temperature of- 23?. The Cannot coefficient of performance of cycle will be_________________?

28 / 50

High carbon content in diesel oil used for diesel engine leads to_________________?

29 / 50

What does symbol ?D? imply in work study ___________________?

30 / 50

In order to have constant clain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be________________?

31 / 50

Which of the following processes is irreversible process___________________?

32 / 50

The value of the wavelength for maximum emissive power is given by ___________________?

33 / 50

Size of boiler tubes is specified by___________________?

34 / 50

Impulse turbine is generally fitted______________________?

35 / 50

In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?

36 / 50

Center of percussion is___________________?

37 / 50

Carnot cycle efficiency is maximum when______________?

38 / 50

If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to__________________?

39 / 50

Atomic number of an element in the periodic table represents the numbers of_________________?

40 / 50

On weight basis, air contains following parts of oxygen_________________?

41 / 50

The condition of perfect vacuum, i.e., absolute zero pressure can be attained at ____________________?

42 / 50

The fuel in diesel engine is normally injected at pressure of_________________?

43 / 50

Total heat of a substance is also known as __________________?

44 / 50

For a floating body to be in equilibrium_____________________?

45 / 50

The value of mass density in kgsecVm4 for water at 0?C is_________________?

46 / 50

Pick up the correct statement ?

47 / 50

The ratio of lateral strain to the linear strain within elastic limit is known as_______________?

48 / 50

Compressed air coming out from a punctured football___________________?

49 / 50

The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?

50 / 50

Reflector in nuclear plants is used to________________?

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