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Mechanical Engineering Quiz 30

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Mechanical Engineering Quiz 30

1 / 50

Which is false statement about advantages of V-type engine_________________?

2 / 50

The usual composition of a soldering alloy is__________________?

3 / 50

Which of the following is not a desirable property of a refrigerant_________________?

4 / 50

The system of lubrication used for motor cycles and scooters is by________________?

5 / 50

Steam exhaust from high pressure turbine is reheated in _____________________?

6 / 50

The C.G. of a solid hemisphere lies on the central radius 3r_________________?

7 / 50

A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_______________?

8 / 50

Klein?s construction is useful to determine__________________?

9 / 50

Fibrous fracture occurs in_____________?

10 / 50

?Value? for value engineering and analysis purposes is defined as_____________________?

11 / 50

In a typical medium speed 4 stroke cycle diesel engine_______________?

12 / 50

When a close coiled helical spring is compressed, its wire is subjected to________________?

13 / 50

Maximum impulse will be developed in hydraulic ram when ___________________?

14 / 50

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?

15 / 50

The fire tubes in, a Coarran and Scotish marine boiler are_________________?

16 / 50

In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?

17 / 50

The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed____________________?

18 / 50

40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is____________________?

19 / 50

In a vapor compression cycle, the refrigerant immediately after expansion valve is___________________?

20 / 50

The function of a fuel pump in a petrol pump is to______________________?

21 / 50

Tangent of angle of friction is equal to__________________?

22 / 50

The following volume of air is required for consuming 1 liter of fuel by a four stroke engine_______________?

23 / 50

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?

24 / 50

The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?

25 / 50

The top piston ring nearer to the piston crown is known as_____________________?

26 / 50

Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________________?

27 / 50

The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft___________________?

28 / 50

The boiling point of ammonia is___________________?

29 / 50

For same compression ratio and for same heat added_________________?

30 / 50

In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?

31 / 50

The Hooke?s joint consists of ____________________?

32 / 50

For hypersonic flow, the Mach number is___________________?

33 / 50

Which of the following would constitute a link__________________?

34 / 50

Malleability of a material can be defined as ______________________?

35 / 50

Tick the odd man out_______________?

36 / 50

The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation___________________?

37 / 50

A compressor at high altitude will draw________________?

38 / 50

The angle of contact in case of a liquid depends upon___________________?

39 / 50

The thermal efficiency of a gas turbine as compared to a diesel plant is__________________?

40 / 50

Resultant pressure of the liquid in the case of an immersed body acts through____________________?

41 / 50

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of_______________?

42 / 50

Work sampling observations are taken on the basis of_______________?

43 / 50

Pick up the correct statement as regards Cornish boiler and Lancashire boiler _______________?

44 / 50

A single force and a couple acting in the same plane upon a rigid body_____________________?

45 / 50

U235 will undergo fission by__________________?

46 / 50

A key made from a cylindrical disc having segmental cross-section, is known as______________?

47 / 50

A heat engine utilises the_________________?

48 / 50

Choose the wrong statement Time study is used to_________________?

49 / 50

The performance of a specific task in CPM is known as ______________________?

50 / 50

Under the Apprenticeship Act___________________?

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