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