Mechanical Engineering Quiz 15
1 / 50
The Scott-Russell mechanism consists of_________________?
2 / 50
The safety valve on boiler drum compared to safety valve on super heater is set at ________________?
3 / 50
The product of either force of couple with the arm of the couple is called_________________?
4 / 50
Boiler stays are used to___________________?
5 / 50
On Mollier chart, flow through turbine is represented by ________________?
6 / 50
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than____________________?
7 / 50
Coefficient of friction is the_________________?
8 / 50
A standard ice point temperature corresponds to the temperature of ___________________?
9 / 50
The maximum frictional force which comes into play when a body just begins to slide over another surface is called________________?
10 / 50
Fourier?s law of heat conduction is valid for_________________?
11 / 50
The working fluid in ai turbine is___________________?
12 / 50
The Klein?s method of construction for reciprocating engine mechanism _______________?
13 / 50
Characteristic gas constant of a gas is equal to______________________?
14 / 50
The rated life of a bearing varies___________________?
15 / 50
In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?
16 / 50
The main purpose of reheating in gas turbine is to__________________?
17 / 50
The specific volume of steam with increase in pressure decreases_____________________?
18 / 50
Pick up wrong statement about desired properties of a good fuel__________________?
19 / 50
According to Rowan plan, if H = hourly rate, A = actual time and S = standard time, then wages will be___________________?
20 / 50
Reversed joule cycle is called_________________?
21 / 50
Most high speed compression engines operate on __________________?
22 / 50
Muntz metal contains copper and zinc in the ratio of________________?
23 / 50
Railway rails are normally made of_______________?
24 / 50
Thermal conductivity of water in general with rise in temperature ____________________?
25 / 50
For steel, the ultimate strength in shear as compared to ultimate strength in tension is ___________________?
26 / 50
The pressure at the end of compression in the case of diesel engine is of the order of___________________?
27 / 50
An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes_______________?
28 / 50
The risk of radioactive hazard is greatest in the turbine with following reactor___________________?
29 / 50
In V-belt drive, belt touches______________?
30 / 50
The evaporation of 15.653 kg of water per hour from and at 100?C is called_________________?
31 / 50
A perfect black body is one which_______________?
32 / 50
When two springs are in series (having stiffness K), the equivalent stiffness will be________________?
33 / 50
A point on a link connecting double slider crank chain traces a____________________?
34 / 50
Which of the following plants is smallest and lightest for genrating a given amount of power__________________?
35 / 50
String diagram is used_________________?
36 / 50
A centrifugal compressor works on the principle of__________________?
37 / 50
The basic difference between PERT and CPM is that_____________?
38 / 50
The work ratio of a gas turbine plant is defined as the ratio of__________________?
39 / 50
Ammonia-absorption refrigeration cycle requires__________________?
40 / 50
In vapor compression cycle, the condition of refrigerant is very wet vapor________________?
41 / 50
A body floats in stable equilibrium ____________________?
42 / 50
The property of a fluid which enables it to resist tensile stress is known as___________________?
43 / 50
According to fan laws, for fans having constant wheel diameter, the pressure varies________________?
44 / 50
Adiabatic compression is one in which___________________?
45 / 50
The energy distribution of an ideal reflector at higher temperatures is largely in the range of ___________________?
46 / 50
Diesel cycle consists of following four processes_________________?
47 / 50
To avoid moisture troubles, the branch connections from compressed air lines should be taken from_________________?
48 / 50
The alloy used for making electrical resistances and heating elements is____________________?
49 / 50
The technique of value analysis can be applied to____________________?
50 / 50
Corrosion resistance of steel is increased by addition of________________?
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