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