Mechanical Engineering Quiz 12
1 / 50
Volumetric efficiency of a compressor without clearance volume________________?
2 / 50
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its__________________?
3 / 50
Which of the following is used for bearing liner_______________?
4 / 50
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm?, the pressure at a depth of 50 m below the oil surface will be_________________?
5 / 50
Points of arrest for iron correspond to__________________?
6 / 50
Peaucellier mechanism has__________________?
7 / 50
When the flow parameters at any given instant remain same at every point, then flow is said to be___________________?
8 / 50
Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?
9 / 50
Which is the false statement about wrought iron. It has________________?
10 / 50
For pipes, turbulent flow occurs when Reynolds number is _____________________?
11 / 50
In a darg link quick return mechanism, the shortest link is always fixe The sum of the shortest and longest link is _______________?
12 / 50
For pipes, laminar flow occurs when Roynolds number is__________________?
13 / 50
The example of higher pair is_________________?
14 / 50
The COP of a vapor compression plant in comparison to vapor absorption plant is ________________?
15 / 50
Which of the following cycles uses air as the refrigerant__________________?
16 / 50
Specific heat of air at constant pressure is equal to___________________?
17 / 50
The stress induced in a body due to suddenly applied load compared to when it is applied gradually is________________?
18 / 50
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water________________?
19 / 50
If petrol is used in a diesel engine, then______________?
20 / 50
The proximate analysis of fuel lists__________________?
21 / 50
Ultimate analysis of fuel is determination of percentage of____________________?
22 / 50
Stefan Boltzmann law is applicable for heat transfer by __________________?
23 / 50
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?
24 / 50
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia of rivet d should be equal to__________________?
25 / 50
Specific weight of water in S.I. units is equal to ________________?
26 / 50
A fast breeder reactor uses following as fuel_________________?
27 / 50
The jnaximum combustion pressure in gas turbine as compared to I.C engine is_________________?
28 / 50
In a free vortex motion, the radial component of velocity everywhere is________________?
29 / 50
In loop scavenging, the top of the piston is________________?
30 / 50
Working principle of dead weight pressure gauge tester is based on_______________?
31 / 50
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?
32 / 50
Carbonation of coal is the process of________________________?
33 / 50
The main interest of shielding in nuclear reactor is protection against_______________?
34 / 50
The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called__________________?
35 / 50
If value of n is infinitely large in a polytropic process pV? = C, then the process is known as constant_____________________?
36 / 50
Shear stress induced in a shaft subjected to tension will be__________________?
37 / 50
True one-dimensional flow occurs when_________________?
38 / 50
According to fan laws, at constant speed and capacity, the pressure and power vary_____________________?
39 / 50
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea__________________?
40 / 50
A circular bar moving in a round hole is an example of_______________?
41 / 50
Which is not correct statement about effect of sulphur in fuel ___________________?
42 / 50
The number of centers in a crank driven slider crank mechanism are_______________?
43 / 50
Applications in which stresses are encountered in one direction only uses following type of threads____________________?
44 / 50
Induction hardening is the process of_____________________?
45 / 50
Diesel engines as compared to petrol engines require ______________________?
46 / 50
Change in enthalpy of a system is the heat supplied at___________________?
47 / 50
The difference between cornish boiler and lancashire boiler is that_________________?
48 / 50
The coefficient of performance is the ratio of the refrigerant effect to the_________________?
49 / 50
A reactor capable of converting a ferrite material into fissile isotopes is called____________________?
50 / 50
On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by_______________?
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