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
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__________________?
3 / 50
Unit of thermal diffusivity is_________________?
4 / 50
Motion study involves analysis of________________?
5 / 50
The unit of power in S.I. units is______________?
6 / 50
In jet engines the products of combustion after passing through the gas lurbine are discharged into_______________?
7 / 50
The pressure at which latent heat of vaporisation of water is zero, is_________________?
8 / 50
Percentage reduction of area in performing tensile test on cast iron may be of the order of__________________?
9 / 50
The domestic refrigerator uses following type of compressor ____________________?
10 / 50
Axial flow compressor resembles____________________ ?
11 / 50
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?
12 / 50
Nodular iron has____________________?
13 / 50
The cam shaft of a four stroke I. engine running at 1500 rmp will run at __________________?
14 / 50
Which of the following engines can work on very lean mixture__________________?
15 / 50
Which of the following is the property of a system___________________?
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
An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes________________?
18 / 50
Highest temperature encountered in refrigeration cycle should be________________?
19 / 50
Pick up the wrong statement ?
20 / 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____________________?
21 / 50
According to fan laws, for the fans having constant wheel diameters, the power demand varies_______________?
22 / 50
Routing is essential in the following type of industry_________________?
23 / 50
Two coplanar couples having equal and opposite moments_________________?
24 / 50
Which of the following pipes is least corrosion resistant__________________?
25 / 50
Isochoric process is one in which___________________?
26 / 50
A fast breeder reactor__________________?
27 / 50
For fluctuating loads, welsuited bearing is_________________?
28 / 50
Out of the following, from where you will prefer to take intake for air compressor_________________?
29 / 50
Ethyl fluid is used_______________________?
30 / 50
I kgf/cm2 is equal to________________?
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
The process layout is best suited where______________?
33 / 50
Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?
34 / 50
The value of shear stress which is induced in the shaft due to the applied couple varies____________________?
35 / 50
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?
36 / 50
The amount of heat flow through a body by conduction is_______________?
37 / 50
The behaviour of gases can be fully determined by___________________?
38 / 50
Inventory management consists of__________________?
39 / 50
Center of gravity of a thin hollow cone lies on the axis at a height of ___________________?
40 / 50
In mottled cast iron, carbon is available in__________________?
41 / 50
The compression ratio of motor cars is___________________?
42 / 50
Taps, dies and drills contain carbon________________?
43 / 50
Center of pressure on an inclined plane is___________________?
44 / 50
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
45 / 50
Sense of tangential acceleration of a link_________________?
46 / 50
Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?
47 / 50
Volumetric efficiency of air compressors is of the order of________________?
48 / 50
Automobile steering gear is an example of____________________?
49 / 50
The air entry velocity m a rocket as compared to aircraft is_________________?
50 / 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__________________?
Provide Your Information
Your score is
The average score is 66%
Restart quiz
