Mechanical Engineering Quiz 30
1 / 50
The boiling point of ammonia is___________________?
2 / 50
In a vapor compression cycle, the refrigerant immediately after expansion valve is___________________?
3 / 50
Malleability of a material can be defined as ______________________?
4 / 50
The performance of a specific task in CPM is known as ______________________?
5 / 50
Work sampling observations are taken on the basis of_______________?
6 / 50
Which of the following would constitute a link__________________?
7 / 50
Klein?s construction is useful to determine__________________?
8 / 50
The Hooke?s joint consists of ____________________?
9 / 50
Resultant pressure of the liquid in the case of an immersed body acts through____________________?
10 / 50
40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is____________________?
11 / 50
The usual composition of a soldering alloy is__________________?
12 / 50
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
13 / 50
In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?
14 / 50
Under the Apprenticeship Act___________________?
15 / 50
In a typical medium speed 4 stroke cycle diesel engine_______________?
16 / 50
The top piston ring nearer to the piston crown is known as_____________________?
17 / 50
For hypersonic flow, the Mach number is___________________?
18 / 50
A compressor at high altitude will draw________________?
19 / 50
When a close coiled helical spring is compressed, its wire is subjected to________________?
20 / 50
The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft___________________?
21 / 50
U235 will undergo fission by__________________?
22 / 50
The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?
23 / 50
In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?
24 / 50
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?
25 / 50
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation___________________?
26 / 50
The angle of contact in case of a liquid depends upon___________________?
27 / 50
The following volume of air is required for consuming 1 liter of fuel by a four stroke engine_______________?
28 / 50
The fire tubes in, a Coarran and Scotish marine boiler are_________________?
29 / 50
A single force and a couple acting in the same plane upon a rigid body_____________________?
30 / 50
The thermal efficiency of a gas turbine as compared to a diesel plant is__________________?
31 / 50
Tangent of angle of friction is equal to__________________?
32 / 50
Which of the following is not a desirable property of a refrigerant_________________?
33 / 50
Which is false statement about advantages of V-type engine_________________?
34 / 50
The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed____________________?
35 / 50
Choose the wrong statement Time study is used to_________________?
36 / 50
Maximum impulse will be developed in hydraulic ram when ___________________?
37 / 50
A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_______________?
38 / 50
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of_______________?
39 / 50
Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________________?
40 / 50
A key made from a cylindrical disc having segmental cross-section, is known as______________?
41 / 50
For same compression ratio and for same heat added_________________?
42 / 50
The C.G. of a solid hemisphere lies on the central radius 3r_________________?
43 / 50
?Value? for value engineering and analysis purposes is defined as_____________________?
44 / 50
Tick the odd man out_______________?
45 / 50
Fibrous fracture occurs in_____________?
46 / 50
The function of a fuel pump in a petrol pump is to______________________?
47 / 50
Pick up the correct statement as regards Cornish boiler and Lancashire boiler _______________?
48 / 50
Steam exhaust from high pressure turbine is reheated in _____________________?
49 / 50
A heat engine utilises the_________________?
50 / 50
The system of lubrication used for motor cycles and scooters is by________________?
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