Mechanical Engineering Quiz 41

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Mechanical Engineering Quiz 41

1 / 50

Which of the following can be used as a coolant in nuclear plant________________?

2 / 50

Weld decay is the phenomenon found with _________________?

3 / 50

Carnot cycle is__________________?

4 / 50

Pick up the correct statement from the following?

5 / 50

The accunmulation of carbon in a cylinder results in increase of________________?

6 / 50

The pressure and temperature conditions of air at the suction of compressor are_________________?

7 / 50

The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to sustain a chain reaction, would be________________?

8 / 50

Equivalent evaporation of water is the evaporation ?for a feed water supply at 100?C__________________?

9 / 50

Supercharging is the process of_____________________?

10 / 50

Which of the following has maximum value of thermal conductivity________________?

11 / 50

A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to_________________?

12 / 50

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

13 / 50

Which of the following alloys does not contain tin_________________?

14 / 50

If a certain amount of dry ice is mixed with same amount of water at 80?C, the final temperature of mixture will be__________________?

15 / 50

The following present serious difficulty in designing reactor shield_________________?

16 / 50

The deductions for, employees provident fund start________________?

17 / 50

Most of the domestic refrigerators work on the following refrigeration system _________________?

18 / 50

Coulomb friction is the friction between_____________________?

19 / 50

If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the________________?

20 / 50

Ratio of inertia force to surface Jension is known as ___________________?

21 / 50

CPMis___________________?

22 / 50

The fuel consumption in gas turbines is accounted for by___________________?

23 / 50

The main disadvantage of line organisation is_________________?

24 / 50

Which of the following coals has the highest calorific value_________________?

25 / 50

The indicated work per unit mass of air delivered is___________________?

26 / 50

Sensible heat is the heat required to __________________?

27 / 50

Self-ignition temperature of petrol is of the order of___________________?

28 / 50

Rectilinear motion of piston is converted into rotary by_______________?

29 / 50

First law of thermodynamics___________________?

30 / 50

After-cooler is used to__________________?

31 / 50

The stress developed in a material at breaking point in extension is called_________________?

32 / 50

Two balls of same material and finish have their diameters in the ratio of 2 : 1 and both are heated to same temperature and allowed to cool by radiation. Rate of cooling by big ball as compared to smaller one will be in the ratio of____________________?

33 / 50

The thermal efficiency of a semi-diesel cycle having fixed compression ratio and fixed quantity of heat, with increase in pressure ratio will_______________?

34 / 50

The flow which neglects changes in a transverse direction is known as_________________?

35 / 50

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as_________________?

36 / 50

A cylindrical section having no joint is known as ____________________?

37 / 50

Limiting force of friction is the__________________?

38 / 50

In regenerator type heat exchanger, heat transfer takes place by___________________?

39 / 50

The center of gravity of a uniform lamina lies at____________________?

40 / 50

The ratio of two specific heats of air is equal to____________________?

41 / 50

Property of a fluid by which its own molecules are attracted is called___________________?

42 / 50

The relative heat absorption for successively added equal areas of boiler convection heating surfaces____________________?

43 / 50

The amount deducted from the salary of workers towards employees provident fund is_______________?

44 / 50

If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows______________________?

45 / 50

Yield point in fatigue loading as compared to static loading is__________________?

46 / 50

It the temperature of intake air in IC engines is lowered, then its efficiency will_______________________?

47 / 50

The critical path of a network represents_______________________?

48 / 50

Kerosene is distilled at________________?

49 / 50

Polymerisation is a chemical process in which molecules of a compound become________________?

50 / 50

The value of n = 1 in the poly tropic process indicates it to be __________________?

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