Mechanical Engineering Quiz 29
1 / 50
Bernoulli equation deals with the law of conservation of__________________?
2 / 50
An important property of high silicon (12 ? 18%) cast iron is the high__________________?
3 / 50
Ratio of compression is the ratio of__________________?
4 / 50
For a product layout the material handling equipment must _________________?
5 / 50
Artificial radioactive isotopes find application in________________?
6 / 50
For a floating body to be in stable equilibrium, its metacentre should be___________________?
7 / 50
The basic requirement of a good combustion chamber is___________________?
8 / 50
The Young?s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
9 / 50
The bituminous coal is non-caking if its carbon content is_______________?
10 / 50
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?
11 / 50
The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?
12 / 50
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is____________________?
13 / 50
One gram of uranium will produce energy equivalent to approximately____________________?
14 / 50
Tungsten in steel________________?
15 / 50
Constantant an alloy used in thermocouples is an alloy of __________________?
16 / 50
Which of the following is expected to have highest thermal conductivity_______________?
17 / 50
The number of links in pantograph mechanism is equal to______________?
18 / 50
Which of the following refrigerants has lowest freezing point_______________?
19 / 50
Acceptance sampling is widely used in________________?
20 / 50
The example of rolling pair is________________?
21 / 50
Which of the following do not have identical dimensions ?
22 / 50
Air injection in I.C engines refers to injection of___________________?
23 / 50
Pick up the correct statement. Dummy activity on a PERT/CPM chart means, it_________________?
24 / 50
To obviate axial thrust, following gear drive is used_____________________?
25 / 50
An open vessel of water is accelerated up an inclined plane. The free water surface will__________________?
26 / 50
In a _____________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram?
27 / 50
The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P_____________________?
28 / 50
No liquid can exist as liquid at____________________?
29 / 50
The shell diameter and length of locomotive boiler are_______________?
30 / 50
A fission chain reaction in uranium can be developed by________________?
31 / 50
The following types of materials are usually the most ductile__________________?
32 / 50
Which of the following is not wage incentive plan_________________?
33 / 50
The unit of energy in S.I. units is________________?
34 / 50
The stress necessary to initiate yielding is_________________?
35 / 50
Basic hole is one_________________?
36 / 50
If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be________________?
37 / 50
A force is completely defined when we specify_______________?
38 / 50
Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
39 / 50
The conditions for the stable equilibrium of a floating body are___________________?
40 / 50
Kinematic pairs are those which have___________________?
41 / 50
The possible loading in various members of framed structures are_________________?
42 / 50
The specific gravity of diesel oil Is_________________?
43 / 50
Freezing temperature of petrol is usually__________________?
44 / 50
?Open pairs are those which have__________________?
45 / 50
Uranium-233 is produced__________________?
46 / 50
A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________________?
47 / 50
The work done per unit mass of air in compression will?be least when n is equal to______________?
48 / 50
The biggest size of thermal power unit operating in India is ________________?
49 / 50
An ideal gas as compared to a real gas at very high pressure occupies_________________?
50 / 50
All the four operations in two stroke engine are performed in following number of revolutions of crank shaft______________________?
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