Mechanical Engineering Quiz 4
1 / 50
In malleable iron, carbon is present in the form of___________________?
2 / 50
Merit Rating is the method of determining worth of_______________?
3 / 50
Pick up the wrong statement Fast breeder reactors__________________?
4 / 50
Buoyant force is___________________?
5 / 50
The lower pair is a_____________________?
6 / 50
According to Avogadro?s law, for a given pressure and temperature, each molecule of a gas_________________?
7 / 50
Pick up false statement?
8 / 50
Pick up the incorrect statement from the following?
9 / 50
When crude oil is heated, then which of the following hydrocarbon is given off first______________?
10 / 50
Set screws are_________________?
11 / 50
Runaway speed of a hydraulic turbine is_________________?
12 / 50
The amount of radiation mainly depends on___________________?
13 / 50
Which of the following is not the unit of pressure ?
14 / 50
Units of surface tension are____________________?
15 / 50
Fluid is a substance that___________________?
16 / 50
Which of the following fuels can be used in turbojet engines _____________________?
17 / 50
The pressure ratio in gas turbines is of the order of__________________?
18 / 50
The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will___________________?
19 / 50
The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________________?
20 / 50
Installation of supercharger on a four-cycle diesel engine can result in the following percentage increase in power_____________?
21 / 50
Scavenging air in diesel engine means___________________?
22 / 50
For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?
23 / 50
Evaporative capacity of boiler is expressed as____________________?
24 / 50
The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is____________________?
25 / 50
A cable with a uniformly distributed load per horizontal metre run will take the following shape_________________?
26 / 50
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?
27 / 50
Dynamic friction as compared to static friction is __________________?
28 / 50
The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is__________________?
29 / 50
On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be_________________?
30 / 50
Gas cooled reactor uses following materials as moderator, and coolant____________________?
31 / 50
Multistage centrifugal pumps are used to obtain___________________?
32 / 50
In steel plant the most important system for materials handling is_____________________?
33 / 50
Material handling in automobile industry is done by_________________?
34 / 50
Rotary compressors are suitable for ____________________?
35 / 50
In which of the following layouts, the lines need to the balanced_______________?
36 / 50
Carnot cycle has maximum efficiency for__________________?
37 / 50
The economizer is used in boilers to _______________________?
38 / 50
A cable with a uniformly distributed load per horizontal meter run will take the following shape________________?
39 / 50
A dummy activity________________?
40 / 50
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if____________________?
41 / 50
Grey cast iron_____________________?
42 / 50
One of the basic essentials of an incentive plan is that_________________?
43 / 50
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?
44 / 50
Thermal conductivity of air with rise in temperature__________________?
45 / 50
Pour point of fuel oil is the_________________?
46 / 50
Uniform flow occurs when ___________________?
47 / 50
Which of the following alloys does not have copper as one of the constituents________________?
48 / 50
It is not possible to use closed gas turbine cycle in aeronautical engines because_________________ ?
49 / 50
In nuclear fission each neutron that causes fission releases_______________?
50 / 50
Addition of manganese to aluminium results in__________________?
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