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