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Mechanical Engineering Quiz 31

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Mechanical Engineering Quiz 31

1 / 50

Which is the false statement about true stress-strain method______________?

2 / 50

Tandem drawing of wires and tubes is necessary because_________________?

3 / 50

Steady flow occurs when___________________?

4 / 50

Mining industry usually employs following motive power___________________?

5 / 50

The angle of taper on draft tube is

6 / 50

02 content in atmospheric air on volume basis is___________________?

7 / 50

An air compressor may be controlled by____________________?

8 / 50

If a number of forces act simultaneously on a particle, it is possible _____________________?

9 / 50

An open system is one in which____________________?

10 / 50

Stress relaxation is- the phenomenon ___________________?

11 / 50

A turbine pump is basically a centrifugal pump equipped additionally with_________________?

12 / 50

A diathermic wall is one which____________________?

13 / 50

The time which results in the least possible direct cost of an activity is known as________________?

14 / 50

CPM is the___________________?

15 / 50

The balanced draft furnace is one using _________________________?

16 / 50

The hottest point in a gas turbine is______________________?

17 / 50

Water at pressure of 4 kg/cm2 and 160?C temperature when exposed to atmosphere will_________________?

18 / 50

If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?

19 / 50

Replacement studies are made on the fol-lowing basis_________________?

20 / 50

The diameter of fire tube of Cornish boiler compared to its shell is__________________?

21 / 50

Axial flow compressor has the following advantage over centrifugal compressor__________________?

22 / 50

To avoid an interruption in the flow of a syphon, an air vessel is provided__________________?

23 / 50

Material handling and plant location is analysed by________________?

24 / 50

Sulphur content in diesel oil should not be more than_________________?

25 / 50

Newton?s law of viscosity is a relationship between____________________?

26 / 50

The most popular firing order in case of four cylinder in-line I.C engine is__________________?

27 / 50

A hot short metal is_________________?

28 / 50

According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as____________________?

29 / 50

The precess of breaking up or a lipuid into fine droplets by spraying is called___________________?

30 / 50

Angle of friction is the_______________________?

31 / 50

An ideal flow of any fluid must satisfy __________________?

32 / 50

The efficiency of a Carnot engine depends on_______________________?

33 / 50

A liquid would wet the solid, if adhesion forces as compared to cohesion forces are________________?

34 / 50

Which is false statement about annealing. Annealing is done to________________?

35 / 50

In a forced vortex, the velocity of flow everywhere within the fluid is__________________?

36 / 50

When a ship travels in a sea, which of the effect is more dangerous___________________?

37 / 50

Which of the following is the primary fuel________________?

38 / 50

Which of the following variables controls the physical properties of a perfect gas_________________?

39 / 50

The most practical fuel for a thermo-nuclear reactor, both from econocical and nuclear consideration is____________________?

40 / 50

In a static fluid ___________________?

41 / 50

Tangential acceleration direction is_________________?

42 / 50

A perpetual motion machine is___________________?

43 / 50

The transistor is made of___________________?

44 / 50

A 4-stroke diesel engine needs about following amount of air_________________?

45 / 50

The commonly used material for shielding is__________________?

46 / 50

In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

47 / 50

Plutonium-239 is produced__________________?

48 / 50

Gas turbine blades are given a rake___________________?

49 / 50

Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged ?

50 / 50

The total strain energy stored in a body is termed as__________________?

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