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Mechanical Engineering Quiz 17

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Mechanical Engineering Quiz 17

1 / 50

Solid injection in I.C engines refers to injection of________________?

2 / 50

Job enrichment technique is applied to_________________?

3 / 50

Which is correct statement ?

4 / 50

Solder is an alloy consisting of________________?

5 / 50

The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?

6 / 50

PERT has following time estimate_________________?

7 / 50

If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be________________?

8 / 50

Preheating is essential in welding ___________________?

9 / 50

A file removes the metal during___________________?

10 / 50

Where does the lowest temperature occur in a vapour compression cycle ?

11 / 50

For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has ____________________?

12 / 50

Volatility of diesel fuel oil is_________________?

13 / 50

Manometer is used to measure__________________?

14 / 50

Fire tube boilers are those in which__________________?

15 / 50

Which of the following is the binding material in cemented carbides___________________?

16 / 50

Octane number is determined by comparing the performance of the petrol with the following hydrocarbons__________________?

17 / 50

In its simplest form, a cam mechanism consists of following number of links___________________?

18 / 50

The time of completing a project in network analysis is given by following time of the critical activity meeting at the finalitiode_________________?

19 / 50

One of the purposes of sub-cooling the liquid refrigerant is to________________?

20 / 50

A sudden fall in the barometer reading is a sign of approaching________________?

21 / 50

The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of____________?

22 / 50

The index of compression n tends to reach ratio of specific heats y when____________________?

23 / 50

Split nut is a locking device in which_________________?

24 / 50

Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?

25 / 50

Hardness of upper bainite (acicular structure) is about___________________?

26 / 50

Two non-collinear parallel equal forces acting in opposite direction__________________?

27 / 50

The number of drums in Benson steam generator is_________________?

28 / 50

?Killed steels? are those steels__________________?

29 / 50

Gear box is used___________________?

30 / 50

Bar charts are suitable for_____________________?

31 / 50

A stoichiometric air-fuel ratio is______________________?

32 / 50

Overfire burning is the phenomenon of _____________________?

33 / 50

The efficiency of jet engine is__________________?

34 / 50

Which of the following particles is the lightest__________________?

35 / 50

Boiling water reactor employs__________________?

36 / 50

In a Carnot cycle, heat is transferred at_______________________?

37 / 50

An optimum project schedule implies_______________?

38 / 50

As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio_____________________?

39 / 50

The surface hardness of the following order is achieved by nitriding operation__________________?

40 / 50

Brass contains___________________?

41 / 50

The unit of Young?s modulus is__________________?

42 / 50

The resultant of all normal pressures acts___________________?

43 / 50

Ratio of indicated h.p. to shaft h.p. in known as__________________?

44 / 50

Joule sec is the unit of_________________?

45 / 50

Medium specific speea of turbine implies it is___________________?

46 / 50

In reaction turbine, draft tube is used_____________________?

47 / 50

Thermal conductivity of air at room temperature in kcal/m hr ?C is of the order of__________________?

48 / 50

In nuclear fission___________________?

49 / 50

If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella ________________________?

50 / 50

Volumetric efficiency of a compressor with clearance volume ________________?

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