Mechanical Engineering Quiz 28

1 / 50

**The same volume of all gases would represent their____________________? **

2 / 50

**Center of gravity of a solid cone lies on the axis at the height _____________________? **

3 / 50

**One ton refrigeratiqn corresponds to_________________? **

4 / 50

**The calorific value of gaseous fuels is expressed in terms of__________________? **

5 / 50

**A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________? **

6 / 50

**Farad is the unit of___________? **

7 / 50

**In cross or regular lay ropes_________________? **

8 / 50

**Mixture of ice and water form a________________________? **

9 / 50

**100% efficiency of a thermal cycle cannot be achieved because of __________________? **

10 / 50

**If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________? **

11 / 50

**The pressure?of a gas in terms of its mean kinetic energy per unit volume E is equal to________________? **

12 / 50

**The vapor compression refrigerator employs the following cycle_________________? **

13 / 50

**Which of the following statements is correct ? **

14 / 50

**The internal reaction in bottom 80 cm length will be________________? **

15 / 50

**For which material the Poisson?s ratio is more than unity_________________? **

16 / 50

**Bin card is used in__________________? **

17 / 50

**Caking coals are those which __________________________? **

18 / 50

**With single Hooke?s joint it is possible to connect two shafts, the axes of which have an angular misalignment up to ________________? **

19 / 50

**During base load operation, the best method of controlling compressor is ___________________? **

20 / 50

**Cast iron has_________________? **

21 / 50

**The included angle in unified of American National threads is___________________? **

22 / 50

**Ball bearing type screws are found in following application_____________________? **

23 / 50

**In vapor compression cycle, the condition of refrigerant is high pressure saturated liquid________________? **

24 / 50

**In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________? **

25 / 50

**In automobiles the power is transmitted from gear box to differential through _________________? **

26 / 50

**Flow of water in a pipe about 3 metres in diameter can be measured by__________________? **

27 / 50

**Latent heat of dry steam at atmospneric pressure is equal to____________________? **

28 / 50

**Brittle coating technique is used for_________________? **

29 / 50

**Basic constituents of Monel metal are _________________? **

30 / 50

**In the case of petrol engine at maximum output, the percentage of CO in exhaust gases is ____________________? **

31 / 50

**Military organisation is known as_______________________? **

32 / 50

**Stress concentration in static loading is more serious in__________________? **

33 / 50

**The crystal structure of gamma iron is_________________? **

34 / 50

**Heat is closely related with___________________? **

35 / 50

**The locus of a point on a thread unwound from a cylinder will be___________________? **

36 / 50

**Reciprocating air compressor is best suited for___________________? **

37 / 50

**The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________? **

38 / 50

**One kg of steam sample contains 0.8 kg dry steam; it?s dryness fraction is__________________? **

39 / 50

**In isochronous governing, speed droop is_______________? **

40 / 50

**The following type of carburettor is preferred_______________? **

41 / 50

**A perfect gas at 27?C is heated at constant pressure till its volume is double. The final temperature is________________? **

42 / 50

**Cobalt in steel __________________? **

43 / 50

**Travel charts provide__________________? **

44 / 50

**Davis steering gear consists of__________________? **

45 / 50

**In a throttling process_________________? **

46 / 50

**The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The M.E.P is maximum in the zone of________________? **

47 / 50

**If the opposite links of a four bar linkage are equal, the links will always form a_________________? **

48 / 50

**Process of austempering results in__________________? **

49 / 50

**Carnot cycle efficiency depends upon________________? **

50 / 50

**The increase in pressure _________________? **

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