Mechanical Engineering Quiz 23
1 / 50
The ratio of isentropic work to euler?s work is known as _____________________?
2 / 50
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?
3 / 50
Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________________?
4 / 50
Which of the following gases has the highest calorific value ________________?
5 / 50
Rectangular bar in a rectangular hole is the following type of pair__________________?
6 / 50
Center of buoyancy is the___________________?
7 / 50
Gradually varied flow is__________________?
8 / 50
Boiling water reactor uses the following as moderator, coolant and working fluid________________?
9 / 50
In the breeder reactors the generation of new fissionable atom is_________________?
10 / 50
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would__________________?
11 / 50
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ?g? at this place is _________________?
12 / 50
As the number of cylinders in multi-cylinder engine increases, the power to weight ratio_______________?
13 / 50
Froude number is significant in__________________?
14 / 50
DuraJomin contains___________________?
15 / 50
The delay period in petrol engine is of the order of__________________?
16 / 50
A bolt___________________?
17 / 50
Thermal diffusivity of a substance is ____________________?
18 / 50
If a part is constrained to move and heated, it will develop ____________________?
19 / 50
The COP of a domestic refrigerator___________________?
20 / 50
Ductile cast iron___________________?
21 / 50
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called________________?
22 / 50
An engineer?s hammer is made of___________________?
23 / 50
Water boils when its vapour pressure ___________________?
24 / 50
Father of time study was_________________?
25 / 50
The moisture in a refrigerant is removed by___________________?
26 / 50
Emergency rush order can be pushed more effectively in__________________?
27 / 50
High air-fuel ratio is used in gas turbines______________________?
28 / 50
Pick up the wrong statement about advantages of multistage compression____________________?
29 / 50
Critical path moves along the activities having total float of_____________________?
30 / 50
A foot step bearing and rotor of a vertical turbine form examples of___________________?
31 / 50
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is_________________?
32 / 50
In triggering fission, the following types of neutrons are desirable_________________?
33 / 50
The unit of Stefan Boltzmann constant is ____________________?
34 / 50
The operation of forcing additional air under pressure in the engine cylinder is known as________________?
35 / 50
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will_________________?
36 / 50
During the opening of a valve in a pipe line, the flow is_________________?
37 / 50
If a load W is applied instantaneously on a bar; then the stress induced in bar will___________________?
38 / 50
Clapeyron equation is a relation between___________________?
39 / 50
The example of spherical pair is_____________________?
40 / 50
The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?
41 / 50
The specific fuel consumption per BHP hour for diesel engine is approximately___________________?
42 / 50
Metacentric height is the distance between the metacentre and_______________?
43 / 50
On Millier chart, the constant pressure lines_________________?
44 / 50
The important file in making a PERT is__________________?
45 / 50
The shrinkage allowance for cast iron pattern is________________?
46 / 50
Pick up the wrong statement about supercharging __________________?
47 / 50
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?
48 / 50
Process layout is employed for_________________?
49 / 50
Lancashire ?boiler is a__________________?
50 / 50
For simple harmonic motion of the of follower, a cosine curve represents___________________?
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