Mechanical Engineering Quiz 28
1 / 50
Basic constituents of Monel metal are _________________?
2 / 50
Travel charts provide__________________?
3 / 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________________?
4 / 50
In the case of petrol engine at maximum output, the percentage of CO in exhaust gases is ____________________?
5 / 50
One kg of steam sample contains 0.8 kg dry steam; it?s dryness fraction is__________________?
6 / 50
In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?
7 / 50
Caking coals are those which __________________________?
8 / 50
Stress concentration in static loading is more serious in__________________?
9 / 50
A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
10 / 50
100% efficiency of a thermal cycle cannot be achieved because of __________________?
11 / 50
The internal reaction in bottom 80 cm length will be________________?
12 / 50
The crystal structure of gamma iron is_________________?
13 / 50
Military organisation is known as_______________________?
14 / 50
Which of the following statements is correct ?
15 / 50
Cobalt in steel __________________?
16 / 50
Mixture of ice and water form a________________________?
17 / 50
Bin card is used in__________________?
18 / 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_______________?
19 / 50
The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________?
20 / 50
Reciprocating air compressor is best suited for___________________?
21 / 50
The included angle in unified of American National threads is___________________?
22 / 50
Center of gravity of a solid cone lies on the axis at the height _____________________?
23 / 50
A perfect gas at 27?C is heated at constant pressure till its volume is double. The final temperature is________________?
24 / 50
Latent heat of dry steam at atmospneric pressure is equal to____________________?
25 / 50
One ton refrigeratiqn corresponds to_________________?
26 / 50
During base load operation, the best method of controlling compressor is ___________________?
27 / 50
Carnot cycle efficiency depends upon________________?
28 / 50
With single Hooke?s joint it is possible to connect two shafts, the axes of which have an angular misalignment up to ________________?
29 / 50
Cast iron has_________________?
30 / 50
The vapor compression refrigerator employs the following cycle_________________?
31 / 50
Heat is closely related with___________________?
32 / 50
The calorific value of gaseous fuels is expressed in terms of__________________?
33 / 50
For which material the Poisson?s ratio is more than unity_________________?
34 / 50
In isochronous governing, speed droop is_______________?
35 / 50
The following type of carburettor is preferred_______________?
36 / 50
If the opposite links of a four bar linkage are equal, the links will always form a_________________?
37 / 50
The same volume of all gases would represent their____________________?
38 / 50
Process of austempering results in__________________?
39 / 50
In a throttling process_________________?
40 / 50
Brittle coating technique is used for_________________?
41 / 50
Davis steering gear consists of__________________?
42 / 50
The increase in pressure _________________?
43 / 50
The locus of a point on a thread unwound from a cylinder will be___________________?
44 / 50
Flow of water in a pipe about 3 metres in diameter can be measured by__________________?
45 / 50
In vapor compression cycle, the condition of refrigerant is high pressure saturated liquid________________?
46 / 50
Ball bearing type screws are found in following application_____________________?
47 / 50
The pressure?of a gas in terms of its mean kinetic energy per unit volume E is equal to________________?
48 / 50
In automobiles the power is transmitted from gear box to differential through _________________?
49 / 50
In cross or regular lay ropes_________________?
50 / 50
Farad is the unit of___________?
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