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