Mechanical Engineering Quiz 14
1 / 50
In free con-vection heat transfer, Nusselt number is function of________________?
2 / 50
Reactors designed for propulsion applications are designed for_______________?
3 / 50
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of____________________?
4 / 50
The firing order in a six stroke I.C engine is_________________?
5 / 50
For small discharge at high pressure, following pump is preferred_____________________?
6 / 50
If a worker gets a daily wage of Rs HA, then according to Rowan plan, his maximum daily earnings can be______________________?
7 / 50
D? Alembert?s principle is used for______________________?
8 / 50
In inventory control, the economic order quantity is the_________________?
9 / 50
To aviod moisture troubles, the compressed air main line should __________________?
10 / 50
In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed_______________?
11 / 50
Flow occurring in a pipeline when a valve is being opened is________________?
12 / 50
When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be _________________?
13 / 50
The cooling water requirement for diesel engine is of the order of________________?
14 / 50
Which of the following organisations is best suited for steel plants__________________?
15 / 50
Piston rings are plated with chromium,cadmium or phosphate in order to__________________?
16 / 50
Iso-oct ,ne________________?
17 / 50
The property of a material which enables it to resist fracture due to high impact loads is known as__________________?
18 / 50
Pick up the wrong statement?
19 / 50
Planck?s law holds good for________________?
20 / 50
The heat loss in a boiler takes place in the form of________________?
21 / 50
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as__________________?
22 / 50
The unit of force in S.I. units is________________?
23 / 50
In which of the following cases, consideration of creep is important_________________?
24 / 50
The thermal diffusivities for solids are generally__________________?
25 / 50
The frequency of oscillation at compared to earth will be___________________?
26 / 50
If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches _________________?
27 / 50
A fluid in equilibrium can?t sustain____________________?
28 / 50
The advantage of multistage compression over single stage compression is ________________?
29 / 50
When it is indicated that a member is elastic, it means that when force is applied, it will________________?
30 / 50
In gas turbines^ high thermal efficiency is obtained in_________________?
31 / 50
Method of governing used in diesel engine is__________________?
32 / 50
Oil in journal bearing should be applied at the point where load is________________?
33 / 50
Which of the following statement is wrong ?
34 / 50
Whitworth quick return mechanism is obtained by inversion of___________________?
35 / 50
The relative coefficient of performance is_____________________?
36 / 50
Calorific value of coal is of the order of _______________________?
37 / 50
Spring stiffness is__________________?
38 / 50
Thermal conductivity of water at 20?C is of the order of_____________________?
39 / 50
A force acting on a body may_________________?
40 / 50
In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?
41 / 50
PERT is___________________?
42 / 50
In jet engines the compression ratio__________________?
43 / 50
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm . The air pressure will be_____________________ ?
44 / 50
Which of the following is the heaviest________________?
45 / 50
In a recuperative air preheater, the heat is transferred____________________?
46 / 50
Heavy duty leaf and coil spring* contain carbon of the following order ________________?
47 / 50
Phosphor bronze contains____________________?
48 / 50
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant_________________?
49 / 50
In multistage compressor, the isothermal compression is achieved by_________________?
50 / 50
Which of the following property of air does not increase with rise in temperature ________________?
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