Mechanical Engineering Quiz 8
1 / 50
A nuclear unit becoming critical means_______________?
2 / 50
Molecular volume of any perfect gas at 600 x 103 N/m2 and 27?C will be ____________________?
3 / 50
String diagram is used when__________________?
4 / 50
A boiling water reactor uses following as fuel________________?
5 / 50
The draw of cotter need not exceed_________________?
6 / 50
Micro motion study is__________________?
7 / 50
A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t ? 4), the acceleration of the particle will be given by the equation __________________?
8 / 50
During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?
9 / 50
A two stroke crank compressed engine has following ports in the cylinder_______________?
10 / 50
Routing assists engineers in deciding in advance___________________?
11 / 50
Work done is zero for the following process_________________?
12 / 50
Capillary action is due to the_________________?
13 / 50
Steel made from phosphatic iron is_________________?
14 / 50
A key capable of tilting in a recess milled out in a shaft is known as______________________?
15 / 50
An example of amorphous material is____________?
16 / 50
The compression ratio in a jet engine varies proportional to ____________________?
17 / 50
Bomb calorimeter is used to determine ___________________?
18 / 50
The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?
19 / 50
Presence of moisture in a refrigerant affects the working of___________________?
20 / 50
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?
21 / 50
Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to________________?
22 / 50
Detonation is caused by the following unstable compounds______________________?
23 / 50
Which of the following depreciation system ensures that the interest be charged on the cost of machine asset every year on the book value, but the rate of depreciation every year remains constant_____________________?
24 / 50
A chain comprises of 5 links having 5 joints. Is it kinematic chain ?
25 / 50
The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?
26 / 50
Water and sediment in fuel oil can be removed by _______________________?
27 / 50
The C.G. of a plane lamina will not be at its geometrical centre in the case of a__________________?
28 / 50
Antifriction bearings are__________________?
29 / 50
Heat flows from one body to other when they have_________________?
30 / 50
If n = number of members andy = number of joints, then for a perfect frame, n =________________?
31 / 50
Density of water is maximum at__________________?
32 / 50
Which is more viscous lub oil_________________?
33 / 50
Critical Path Net Work helps an engineer_________________?
34 / 50
The difference of pressure between the inside and outside of a liquid drop is _______________?
35 / 50
A large Roynold number is indication of________________?
36 / 50
Combustion in compression ignition engines is____________________?
37 / 50
Cold rolled steel sheets contain carbon of the following order___________________?
38 / 50
The ratio of absolute viscosity to mass density is known as_________________?
39 / 50
According to Avogadro?s Hypothesis ______________________?
40 / 50
Mach number is significant in_____________________?
41 / 50
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________________?
42 / 50
The main advantage of line organisation is its_______________?
43 / 50
A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is________________?
44 / 50
Time study is__________________?
45 / 50
The mean effective pressure obtained from engine indicator indicates the________________?
46 / 50
Work study is concerned with_________________?
47 / 50
The knock in diesel engine occurs due to____________________?
48 / 50
An engine indicator is used to determine the following___________________?
49 / 50
Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?
50 / 50
Drop forging dies contain carbon of the order of_________________?
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