Mechanical Engineering Quiz 17
1 / 50
Joule sec is the unit of_________________?
2 / 50
A stoichiometric air-fuel ratio is______________________?
3 / 50
Preheating is essential in welding ___________________?
4 / 50
The time of completing a project in network analysis is given by following time of the critical activity meeting at the finalitiode_________________?
5 / 50
In its simplest form, a cam mechanism consists of following number of links___________________?
6 / 50
Which is correct statement ?
7 / 50
The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of____________?
8 / 50
PERT has following time estimate_________________?
9 / 50
Two non-collinear parallel equal forces acting in opposite direction__________________?
10 / 50
Brass contains___________________?
11 / 50
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio_____________________?
12 / 50
The unit of Young?s modulus is__________________?
13 / 50
A file removes the metal during___________________?
14 / 50
Volumetric efficiency of a compressor with clearance volume ________________?
15 / 50
Split nut is a locking device in which_________________?
16 / 50
Manometer is used to measure__________________?
17 / 50
The efficiency of jet engine is__________________?
18 / 50
The number of drums in Benson steam generator is_________________?
19 / 50
?Killed steels? are those steels__________________?
20 / 50
In a Carnot cycle, heat is transferred at_______________________?
21 / 50
The resultant of all normal pressures acts___________________?
22 / 50
In nuclear fission___________________?
23 / 50
An optimum project schedule implies_______________?
24 / 50
The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?
25 / 50
Volatility of diesel fuel oil is_________________?
26 / 50
Which of the following particles is the lightest__________________?
27 / 50
Fire tube boilers are those in which__________________?
28 / 50
Bar charts are suitable for_____________________?
29 / 50
Thermal conductivity of air at room temperature in kcal/m hr ?C is of the order of__________________?
30 / 50
In reaction turbine, draft tube is used_____________________?
31 / 50
Octane number is determined by comparing the performance of the petrol with the following hydrocarbons__________________?
32 / 50
Medium specific speea of turbine implies it is___________________?
33 / 50
Hardness of upper bainite (acicular structure) is about___________________?
34 / 50
Where does the lowest temperature occur in a vapour compression cycle ?
35 / 50
Solid injection in I.C engines refers to injection of________________?
36 / 50
If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be________________?
37 / 50
A sudden fall in the barometer reading is a sign of approaching________________?
38 / 50
Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?
39 / 50
Boiling water reactor employs__________________?
40 / 50
The surface hardness of the following order is achieved by nitriding operation__________________?
41 / 50
If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella ________________________?
42 / 50
One of the purposes of sub-cooling the liquid refrigerant is to________________?
43 / 50
Overfire burning is the phenomenon of _____________________?
44 / 50
The index of compression n tends to reach ratio of specific heats y when____________________?
45 / 50
Which of the following is the binding material in cemented carbides___________________?
46 / 50
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has ____________________?
47 / 50
Job enrichment technique is applied to_________________?
48 / 50
Solder is an alloy consisting of________________?
49 / 50
Gear box is used___________________?
50 / 50
Ratio of indicated h.p. to shaft h.p. in known as__________________?
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