Mechanical Engineering Quiz 10
1 / 50
In axial flow fans and turbines, fluid enters and leaves as follows________________?
2 / 50
Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?
3 / 50
Kinematic pairs are those which have two elements that ______________?
4 / 50
Structural steel contains following principal alloying elements__________________?
5 / 50
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be___________________?
6 / 50
Blast furnace produces following by reduction of iron ore_______________?
7 / 50
The Ackermann steering mechanism is preferred to the Davis type in automobiles because____________________?
8 / 50
The ultimate tensile strength of low carbon steel by working at a high strain rate will_________________?
9 / 50
The metallic structure of mild steel is_________________?
10 / 50
Solids and liquids have___________________?
11 / 50
Which of the following is independent of sales forecast______________?
12 / 50
In PERT analysis, critical path is obtained by joining events having___________________?
13 / 50
Which tool is used to measure gap size in a rough alignment?
14 / 50
A diesel engine has_________________?
15 / 50
Elastic nut is a locking device in which__________________?
16 / 50
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span___________________?
17 / 50
A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?
18 / 50
Francis turbine is best suited for_____________________?
19 / 50
The compression ratio in a gas turbine is of the roder of____________________?
20 / 50
The normal stress is same in all directions at a point in a fluid_______________?
21 / 50
A neutral flame is obtained by supplying___________________?
22 / 50
Pick up the correct statement about relationship between various floats______________________?
23 / 50
Pulverized fuel is used for___________________?
24 / 50
Thermal conductivity of wood depends on_______________?
25 / 50
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?
26 / 50
In which case the air-fuel ratio is likely to be maximum _________________?
27 / 50
In actual machines_____________________?
28 / 50
Petrol is distilled at a temperature in range of__________________?
29 / 50
Inventory control in production, planning and control aims at________________?
30 / 50
Corioli?s component of acceleration exists whenever a point moves along a path that has________________?
31 / 50
Gnatt charts are used for_________________?
32 / 50
Amongst the following, the fissionable materials are________________?
33 / 50
Pick up the wrong statement?
34 / 50
A diesel engine as compared to petrol engine (both running ar rated load) is ____________________?
35 / 50
The composition of silver solder is ___________________?
36 / 50
The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?
37 / 50
Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?
38 / 50
Inertia force acts___________________?
39 / 50
Free air is the air at________________?
40 / 50
I.S. specifies following total number of grades of tolerances__________________?
41 / 50
As a result of detonation in an I.C engine, following parameter attains very high value _____________________?
42 / 50
Connecting rod is usually made of_________________?
43 / 50
In order that a cycle be reversible, following must be satisfied ________________?
44 / 50
Wrought iron is________________?
45 / 50
Turn buckle has____________________?
46 / 50
Which is correct statement about reaction time for autoignition of fuel and the fuel air ratio__________________?
47 / 50
In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
48 / 50
The pour point of diesel oil must be_________________?
49 / 50
Monte Carlo solutions in queuing theory are extremely useful in queuing problems_________________?
50 / 50
Kinematic viscosity is equal to_________________?
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