Mechanical Engineering Quiz 40
1 / 50
PERT and CPM are__________________?
2 / 50
The closed cycle in gas turbines_________________?
3 / 50
According to Prevost theory of heat exchange ___________________?
4 / 50
For speed above 3000 km/hour, it is more advantageous to use____________________?
5 / 50
If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?
6 / 50
Transverse fillet welded joints are designed for________________?
7 / 50
The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?
8 / 50
Spring index is___________________?
9 / 50
Following elements have face-centred cubic structure__________________?
10 / 50
The overall efficiency of thermal power plant is________________?
11 / 50
The tendency of a body to resist change from rest or motion is known as_______________?
12 / 50
The radius of a dished head is taken approximately as______________________?
13 / 50
A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as___________________?
14 / 50
Work study is most useful_______________?
15 / 50
Standing orders which are statutory are applicable to__________________?
16 / 50
In a centrifugal pump, the liquid enters the pump__________________?
17 / 50
Cemented carbide tools are not found to be suitable for cutting_______________?
18 / 50
The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is_________________?
19 / 50
The purpose of a link is to________________?
20 / 50
The ratio of the energy absorbed by the body to total energy falling on it is called_________________?
21 / 50
A CPM family includes____________________?
22 / 50
Hardness of martensite is about___________________?
23 / 50
Moisture in freon refrigeration system causes________________?
24 / 50
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than_______________?
25 / 50
In a fission process, maximum %age of energy is released as___________________?
26 / 50
Propulsion efficiency of the following order-is obtained in practice _______________?
27 / 50
Stress concentration in cyclic loading is more serious in__________________?
28 / 50
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by_________________?
29 / 50
Which place in hydraulic turbine is most susceptible for cavitation __________________?
30 / 50
Gardually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of__________________?
31 / 50
Which of the following instrument can be used for measuring speed of an aeroplane___________________?
32 / 50
A milestone chart_______________________?
33 / 50
Falling drops of water become spheres due to the property of ____________________?
34 / 50
Kinematic viscosity is dependent upon__________________?
35 / 50
Deformation per unit length in the direction of force is known as_________________?
36 / 50
Hygrometery deals with the_________________?
37 / 50
According of Kirchhoff?s law______________________?
38 / 50
Pure iron is the structure of_______________?
39 / 50
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of _________________?
40 / 50
If the temperature of a solid surface changes form 27?C to 627?C, then its emissive power changes in the ratio of___________________?
41 / 50
The maximum propulsion efficiency of a turbojet is attained at around following speed __________________?
42 / 50
If two equal forces of magnitude P act at an angle 9?, their resultant will be________________?
43 / 50
The property of a material by virtue of which a body returns to its original, shape after removal of the load is called____________________?
44 / 50
The insulation ability of an insulator with the presence of moisture would_________________?
45 / 50
Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of_______________?
46 / 50
Activity s,lack or float of any event on a PERT/CPM chart is represented by__________________?
47 / 50
The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be________________?
48 / 50
According to kinetic theory of gases, the absolute zero temperature is attained when___________________?
49 / 50
O on a PERT/CPM chart represents____________________?
50 / 50
The percentage reduction in area of a cast iron specimen during tensile test would be of the order of_________________?
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