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Mechanical Engineering Quiz 13

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Mechanical Engineering Quiz 13

1 / 50

In locomotive boiler, maximum steam pressure is limited to_______________?

2 / 50

If some links are connected such that motion between them can take place in more than one direction, it is called_______________?

3 / 50

Aluminium bronze contains aluminium and copper in the ratio of___________________?

4 / 50

Water is injected in gas turbine cycle to___________________?

5 / 50

The knocking in diesel engines for given fuel, will be__________________?

6 / 50

If the surface of liquid is convex, men ___________________?

7 / 50

Spontaneous combustion is a phenomenon in which____________________?

8 / 50

Temperature of a gas is produced due to________________?

9 / 50

According to Stefan?s law, the total radiation from a black body per second per unit area is proportional to____________________?

10 / 50

1 m of air at atmospheric condition weighs approximately__________________?

11 / 50

Angle of descent of cam is defined as the angle__________________?

12 / 50

A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?

13 / 50

The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is _______________?

14 / 50

Effect of a force on a body depends upon ________________?

15 / 50

Silver-based solder is used for__________________?

16 / 50

Pick up the wrong statement about critical condition of steam___________________?

17 / 50

A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227? C and 27? His claim is__________________?

18 / 50

Stirling and Ericsson cycles are__________________?

19 / 50

In an isothermal atmosphere, the pressure___________________?

20 / 50

Volumetric efficiency is_____________________?

21 / 50

Cavitation is caused by_____________________?

22 / 50

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?

23 / 50

Which of the following instruments is used to measure flow on the application of Bernoulli?s theorem_________________?

24 / 50

A non-yielding support implies that the_________________?

25 / 50

Nickel in steel___________________?

26 / 50

The unit of work or energy in S.I. units is_______________?

27 / 50

In ideal machines__________________?

28 / 50

Materials after cold working are subjected to following process to relieve stresses__________________?

29 / 50

Pig iron is the name given to________________?

30 / 50

Recrystallization temperature is one________________?

31 / 50

The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is___________________?

32 / 50

The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is________________?

33 / 50

If a heat pump cycle operates between the condenser temperature of +27?C and evaporator temperature of ? 23?C, then the Carnot COP will be_________________?

34 / 50

Coke is produced by__________________?

35 / 50

A kinematic chain requires at least________________________?

36 / 50

Air fuel ratio at which a petrol engine can not work is_________________?

37 / 50

Rotameter is a device used to measure______________?

38 / 50

Which of the following is secondary fuel ?

39 / 50

In A-B-C control policy, maximum attention is given to__________________?

40 / 50

In S.H.M., acceleration is proportional to _________________?

41 / 50

A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is_________________?

42 / 50

Bronze contains_____________________?

43 / 50

A backing ring is used inside the pipe joint when making a___________________?

44 / 50

According to first law of thermodynamics__________________?

45 / 50

The higher temperature in vapour compression cycle occurs at____________________?

46 / 50

Taper usually provided on cotter is_________________?

47 / 50

Which of the following cycles has maximum efficiency_____________?

48 / 50

Which is not correct statement about the function of furnace____________________?

49 / 50

In a diesel engine, injection pressure developed by injector is of the order of______________?

50 / 50

German silver is an alloy of___________________?

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