Mechanical Engineering Quiz 10
1 / 50
As a result of detonation in an I.C engine, following parameter attains very high value _____________________?
2 / 50
Pick up the wrong statement?
3 / 50
The normal stress is same in all directions at a point in a fluid_______________?
4 / 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________________?
5 / 50
Elastic nut is a locking device in which__________________?
6 / 50
Pick up the correct statement about relationship between various floats______________________?
7 / 50
Blast furnace produces following by reduction of iron ore_______________?
8 / 50
Kinematic pairs are those which have two elements that ______________?
9 / 50
A diesel engine as compared to petrol engine (both running ar rated load) is ____________________?
10 / 50
Inertia force acts___________________?
11 / 50
In which case the air-fuel ratio is likely to be maximum _________________?
12 / 50
Corioli?s component of acceleration exists whenever a point moves along a path that has________________?
13 / 50
Wrought iron is________________?
14 / 50
In PERT analysis, critical path is obtained by joining events having___________________?
15 / 50
Monte Carlo solutions in queuing theory are extremely useful in queuing problems_________________?
16 / 50
Which of the following is independent of sales forecast______________?
17 / 50
Gnatt charts are used for_________________?
18 / 50
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be___________________?
19 / 50
Which is correct statement about reaction time for autoignition of fuel and the fuel air ratio__________________?
20 / 50
In actual machines_____________________?
21 / 50
The metallic structure of mild steel is_________________?
22 / 50
Solids and liquids have___________________?
23 / 50
In axial flow fans and turbines, fluid enters and leaves as follows________________?
24 / 50
The composition of silver solder is ___________________?
25 / 50
Kinematic viscosity is equal to_________________?
26 / 50
The Ackermann steering mechanism is preferred to the Davis type in automobiles because____________________?
27 / 50
Connecting rod is usually made of_________________?
28 / 50
A neutral flame is obtained by supplying___________________?
29 / 50
I.S. specifies following total number of grades of tolerances__________________?
30 / 50
A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?
31 / 50
Thermal conductivity of wood depends on_______________?
32 / 50
Pulverized fuel is used for___________________?
33 / 50
Turn buckle has____________________?
34 / 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___________________?
35 / 50
Which tool is used to measure gap size in a rough alignment?
36 / 50
Structural steel contains following principal alloying elements__________________?
37 / 50
Francis turbine is best suited for_____________________?
38 / 50
A diesel engine has_________________?
39 / 50
The pour point of diesel oil must be_________________?
40 / 50
Free air is the air at________________?
41 / 50
Petrol is distilled at a temperature in range of__________________?
42 / 50
In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
43 / 50
Amongst the following, the fissionable materials are________________?
44 / 50
In order that a cycle be reversible, following must be satisfied ________________?
45 / 50
The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?
46 / 50
The compression ratio in a gas turbine is of the roder of____________________?
47 / 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_________________?
48 / 50
The ultimate tensile strength of low carbon steel by working at a high strain rate will_________________?
49 / 50
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?
50 / 50
Inventory control in production, planning and control aims at________________?
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