Mechanical Engineering Quiz 16
1 / 50
In air breathing jet engine, the jet is formed by expanding__________________?
2 / 50
Absolute zero pressure will occur _____________________?
3 / 50
The time oscillation of a floating body with increase in metacentric height will be_________________?
4 / 50
Basic shaft is one__________________?
5 / 50
The elastic stress strain behaviour of rubber is_____________________?
6 / 50
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?
7 / 50
Pick up wrong statement about wrought iron ?
8 / 50
According to fan laws, at constant pressure, the speed capacity and power vary_________________?
9 / 50
Hardness of lower bainite (tempered martensite) is about________________?
10 / 50
Maximum delivery pressure is a rotary air compressor is of the order of__________________?
11 / 50
Which of the following is the lightest and most volatile liquid fuel________________?
12 / 50
If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?
13 / 50
Mechanical efficiency of gas turbines as compared to I.C engines is____________________?
14 / 50
The appellate authority for an industrial dispute is________________?
15 / 50
Addition of silicon to aluminium results in____________________?
16 / 50
For the allotropic forms of iron, the points of arrest are __________________?
17 / 50
Creep in belt drive is due to____________________?
18 / 50
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?
19 / 50
Cam size depends upon__________________?
20 / 50
A steam pipe is to be insulated by two insulating materials put over each other . For best results__________________?
21 / 50
Gnatt chart provides information about the________________?
22 / 50
A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are________________?
23 / 50
The percentage of carbon in grey iron castings usually varies between __________________?
24 / 50
The air-fuel ratio of the petrol engine is controlled by__________________?
25 / 50
The wastage of material in the store is taken into account by the following method in the evaluation of the material issued from the store_______________?
26 / 50
Pick up the incorrect statement from the following ?
27 / 50
Basic motion time study gives times for basic motions in ten thousandths of_______________?
28 / 50
Proof resilience per material is known as________________?
29 / 50
Thermal conductivity of a material may be defined as the________________?
30 / 50
In a typical medium speed, 4-stroke cycle diesel engine ___________________?
31 / 50
In a tensile test, near the elastic limit zone, the______________?
32 / 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_________________?
33 / 50
The allowed time for a job equals standard time plus___________________?
34 / 50
In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of__________________?
35 / 50
The most popular type of organisation used for Civil Engineering Constructions is_________________?
36 / 50
The ash content in diesel oil should bot be more than_______________?
37 / 50
The efficiency of Carnot cycle is maximum for_____________________?
38 / 50
Any change in load is adjusted by adjusting following parameter on turbine______________?
39 / 50
The piston rod of a steam engine is usually connected to the cross head by means of__________________?
40 / 50
If the intake air temperature of I.C engine increases, its efficiency will_________________?
41 / 50
Orsat meter is used for__________________?
42 / 50
Per cent idle time for men or machines is found by___________________?
43 / 50
Allen bolts are___________________?
44 / 50
In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will_________________?
45 / 50
Choose the wrong statement ?
46 / 50
Surface tension__________________?
47 / 50
A streamline is defined as the line________________?
48 / 50
In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?
49 / 50
Maximum energy loss in a boiler occurs due to _______________________?
50 / 50
The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?
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