Mechanical Engineering Quiz 38
1 / 50
The first unclear power plant in India is located at____________________?
2 / 50
The moment on the pulley which produces rotation is called ___________________?
3 / 50
Which of the following mechanisms produces mathematically an exact straight line motion____________________?
4 / 50
Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?
5 / 50
Chilled cast iron has____________________?
6 / 50
Poise is the unit of________________?
7 / 50
Which of the following pipe joints would be suitable for pipes carrying steam_____________?
8 / 50
All radiations in a black body are___________________?
9 / 50
Fuel oil consumption guarantees for I C engine are usually based on__________________?
10 / 50
The center of gravity of a triangle lies at the point of __________________?
11 / 50
When a body floating in a liquid, is displaced slightly, it oscillates about _________________?
12 / 50
Which of the following laws is applicable for the behavior of a perfect gas__________________?
13 / 50
Which of the following cycles is not a reversible cycle_____________________?
14 / 50
Which of the following has least value of conductivity_________________?
15 / 50
Reheating of steam under ideal conditions takes place at constant __________________?
16 / 50
For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then_________________?
17 / 50
The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?
18 / 50
Isothermal compression effeicency can be attained by running the compressor__________________?
19 / 50
If n = number of members andy = number of joints, then for a perfect frame, n =_________________?
20 / 50
In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if_________________?
21 / 50
Isotopes of same elements have___________________?
22 / 50
The bulk modulus of elasticity with increase in pressure__________________?
23 / 50
Frederick W. Taylor introduced a system of working known as________________?
24 / 50
Freon group of refrigerants are___________________?
25 / 50
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be_________________?
26 / 50
The effective power of gas turbines is increased by adding the following in compressor__________________?
27 / 50
Choose the wrong statement ?
28 / 50
The impact strength of a material is an index of its ___________________?
29 / 50
The probability distribution of activity times in PERT follows following distribution__________________?
30 / 50
Leakage past the piston rings and valve seats in I.C engines with increase in speed_______________?
31 / 50
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be___________________?
32 / 50
The crown of the fire box is made hemispherical in order to___________________?
33 / 50
Phenomenon of choking in compressor means __________________?
34 / 50
The value of Poisson?s ratio for cast iron is_________________?
35 / 50
The reason for supercharging in any engine is to________________?
36 / 50
Relationship between the number of links (L) and number of pairs (P) is___________________?
37 / 50
In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?
38 / 50
Film coefficient is defined as Inside diameter of tube________________?
39 / 50
The lenght of Cornish boiler is of the order of _________________?
40 / 50
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?
41 / 50
Free cutting steels_____________________?
42 / 50
Air refrigeration cycle is used in ____________________?
43 / 50
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be_________________?
44 / 50
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is_________________?
45 / 50
Which one of the following represents a group incentive plan ?
46 / 50
Steam in water tube boiler as compared to fire tube boiler_________________?
47 / 50
Short horizontal lines on pressure-enthalpy chart show__________________?
48 / 50
For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?
49 / 50
The number of electrons in 1 cm3 of metal would be of the order of_______________?
50 / 50
Calorie is a measure of
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