Mechanical Engineering Quiz 6
1 / 50
The behaviour of gases can be fully determined by___________________?
2 / 50
Unit of thermal diffusivity is_________________?
3 / 50
The process layout is best suited where______________?
4 / 50
The pressure at which latent heat of vaporisation of water is zero, is_________________?
5 / 50
Motion study involves analysis of________________?
6 / 50
Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?
7 / 50
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will__________________?
8 / 50
Percentage reduction of area in performing tensile test on cast iron may be of the order of__________________?
9 / 50
Two coplanar couples having equal and opposite moments_________________?
10 / 50
Automobile steering gear is an example of____________________?
11 / 50
Sense of tangential acceleration of a link_________________?
12 / 50
The air entry velocity m a rocket as compared to aircraft is_________________?
13 / 50
The compression ratio of motor cars is___________________?
14 / 50
Which of the following engines can work on very lean mixture__________________?
15 / 50
Out of the following, from where you will prefer to take intake for air compressor_________________?
16 / 50
Volumetric efficiency of air compressors is of the order of________________?
17 / 50
Isochoric process is one in which___________________?
18 / 50
Pick up the wrong statement ?
19 / 50
Center of gravity of a thin hollow cone lies on the axis at a height of ___________________?
20 / 50
Which of the following is the property of a system___________________?
21 / 50
Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?
22 / 50
The unit of power in S.I. units is______________?
23 / 50
Taps, dies and drills contain carbon________________?
24 / 50
Axial flow compressor resembles____________________ ?
25 / 50
A fast breeder reactor__________________?
26 / 50
Ethyl fluid is used_______________________?
27 / 50
The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?
28 / 50
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?
29 / 50
The value of shear stress which is induced in the shaft due to the applied couple varies____________________?
30 / 50
Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided__________________?
31 / 50
An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes________________?
32 / 50
The cam shaft of a four stroke I. engine running at 1500 rmp will run at __________________?
33 / 50
Inventory management consists of__________________?
34 / 50
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
35 / 50
The artificial activity; which indicates that an activity following it cannot be started unless, the preceding activity is complete, is known as_________________?
36 / 50
I kgf/cm2 is equal to________________?
37 / 50
Routing is essential in the following type of industry_________________?
38 / 50
Nodular iron has____________________?
39 / 50
According to fan laws, for the fans having constant wheel diameters, the power demand varies_______________?
40 / 50
Which of the following pipes is least corrosion resistant__________________?
41 / 50
Highest temperature encountered in refrigeration cycle should be________________?
42 / 50
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?
43 / 50
For fluctuating loads, welsuited bearing is_________________?
44 / 50
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?
45 / 50
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate____________________?
46 / 50
In mottled cast iron, carbon is available in__________________?
47 / 50
The domestic refrigerator uses following type of compressor ____________________?
48 / 50
The amount of heat flow through a body by conduction is_______________?
49 / 50
In jet engines the products of combustion after passing through the gas lurbine are discharged into_______________?
50 / 50
Center of pressure on an inclined plane is___________________?
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