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