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Mechanical Engineering Quiz 20

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Mechanical Engineering Quiz 20

1 / 50

The first law of thermodynamics is the law of_________________?

2 / 50

An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about___________________?

3 / 50

The C.G. of a right circular solid cone of height h lies at the following distance from the base________________?

4 / 50

A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?

5 / 50

Log mean temperature difference in case of counter flow compared to parallel flow will be________________?

6 / 50

Pick up the correct statement?

7 / 50

For ship vessel industry the following layout is best suited_________________?

8 / 50

The property of a material by virtue of which it can be beaten or rolled into plates is called _________________?

9 / 50

If a system after undergoing a series of processes, returns to the initial state then__________________?

10 / 50

Which of the following layouts is suited for mass production_________________?

11 / 50

For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?

12 / 50

Hydraulic accumulator is used for____________________?

13 / 50

A perfect gas____________________?

14 / 50

Hot air standard diesel cycle efficiency with increase in value of C?_______________?

15 / 50

Micromotion study is__________________?

16 / 50

On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process ________________?

17 / 50

The grouping of activities into organisational units is called_________________?

18 / 50

The most important objective behind plant layout is_____________________?

19 / 50

In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?

20 / 50

In centrifugal pumps, maximum efficiency is obtained when the blades are_________________?

21 / 50

The normal stress in a fluid will be constant in all directions at a point only if__________________________?

22 / 50

Templates are used for_________________?

23 / 50

A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is _________________?

24 / 50

In ordetjo obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will _________________?

25 / 50

Kinematic pairs are those which have__________________?

26 / 50

Which of the following plans motivates supervisors by paying a premium on time saved by workers_________________?

27 / 50

Heat and work are ____________________?

28 / 50

Gases have___________________?

29 / 50

The fluid forces considered in the Navier Stokes equation are__________________?

30 / 50

Compression ratio of LD engines is ___________________?

31 / 50

The C.G. of a right circular solid cone of height h lies at the following distance from the base______________?

32 / 50

The following cycle is used for air craft refrigeration___________________?

33 / 50

Father of industrial engineering is_________________?

34 / 50

White metal contains__________________?

35 / 50

The theoretically correct air fuel ratio for petrol engine is of the order of___________________?

36 / 50

Temperature of steam at around 540?C can be measured by ____________________?

37 / 50

The maximum discharge through a chimney occurs when the height of chimney is_____________________?

38 / 50

Ackermann steering gear consists of_______________?

39 / 50

Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?

40 / 50

The unit of mass in S.I. units is ____________________?

41 / 50

Air refrigeration operates on_____________________?

42 / 50

Klein?s construction can be used to determine acceleration of various parts when the crank is at_________________?

43 / 50

Cylindrical cams can be classified as_________________?

44 / 50

The weight of a body is due to ___________________?

45 / 50

Aircraft body is usually fabricated by_________________?

46 / 50

In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine__________________?

47 / 50

The ratio of heat flow Q1/Q2 from two walls of same thickness having their thermal conductivities as ATj ? 2K2 will be ________________?

48 / 50

Medium specific speed of a pump implies it is_________________?

49 / 50

Ram-jet engine__________________?

50 / 50

In a typical medium speed 4-stroke cycle diesel engine________________?

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