Mechanical Engineering Quiz 35
1 / 50
The thermal efficiency of a petrol engine of two stroke with crank case scavenging as compared to four stroke petrol engine with same comperssion ratio will be_____________________?
2 / 50
Inconel is an alloy of___________________?
3 / 50
A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as______________________?
4 / 50
The advantage of dry compression is that________________?
5 / 50
According to Wien?s law, the wavelength corresponding to maximum energy is proportion to ________________?
6 / 50
Ignition quailty of petrol is expressed by___________________?
7 / 50
In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ?
8 / 50
Rain drops are spherical because of__________________?
9 / 50
Differential monometer is used to measure___________________?
10 / 50
Green coal, in order to be burnt, must be____________________?
11 / 50
In a shaper mechanism, the Corioli?s component of acceleration will_______________?
12 / 50
Which one of the following represents a group incentive plan ?
13 / 50
According to Dalton?s law, the total pres sure of the mixture of gases is equal to________________?
14 / 50
The pressure angle of a cam depends upon___________________?
15 / 50
A two stroke engine is usually identified by__________________?
16 / 50
Vanadium in high speed steels__________________?
17 / 50
The thermodynamic efficiency of rotary compressor is based on_______________?
18 / 50
At very low temperature, the melting and boiling temperatures become equal. This temperature is____________________?
19 / 50
A boiler in India should conform to safety regulations of__________________?
20 / 50
According to Bernoulli?s equation for steady ideal fluid flow____________________?
21 / 50
Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?
22 / 50
Delta metal is an alloy of__________________?
23 / 50
The continuity equation is connected with__________________?
24 / 50
The more effective way of increasing efficiency of Carnot engine is to____________________?
25 / 50
Uniform flow occurs when_____________________?
26 / 50
Pick up the correct statement ?
27 / 50
Boiler parameters are expressed by ___________________?
28 / 50
Which of the following boilers is best suited to meet fluctuating demands___________________?
29 / 50
Klein?s construction gives a graphica construction for________________?
30 / 50
A heat exchange process in which the product of pressure and volume remains constant is known as_______________?
31 / 50
The number of flue tubes in Lancashire boiler is_________________?
32 / 50
Which of the following incentive plansrensures a part of the swing to the worker and rest to the employer_______________?
33 / 50
In forced recirculation type boiler__________________?
34 / 50
Principle of similitude forms the basis of_________________?
35 / 50
Chromium in steel_________________?
36 / 50
Lancashire boiler is of____________________?
37 / 50
In carburettors, the top of the fuel jet with reference to the level in the float chamber is kept at_________________?
38 / 50
The compressor efficiecny is the__________________?
39 / 50
All heat engines utilize_____________________?
40 / 50
A wet vapour can be completely specified by__________________?
41 / 50
The ignition coil in diesel engines produces voltage of the order of________________?
42 / 50
In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?
43 / 50
The weakest section of a diamond riveting is the section which passes through ___________________?
44 / 50
The ideal efficiency of a Brayton cycle without regeneration with increase ni pressure ratio will_________________?
45 / 50
Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts_______________?
46 / 50
For water, at pressures below atmospheric___________________?
47 / 50
A closed system is one in which_________________________?
48 / 50
In order to prevent formation of carbon on the injector, the temperature of nozzle tip should be__________________?
49 / 50
For applications involving high stresses in one direction only the following type of thread would be best suited______________________?
50 / 50
Normal depth in open channel flow is the depth of flow corresponding to_______________?
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