Mechanical Engineering Quiz 20
1 / 50
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?
2 / 50
In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine__________________?
3 / 50
Pick up the correct statement?
4 / 50
Hot air standard diesel cycle efficiency with increase in value of C?_______________?
5 / 50
In ordetjo obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will _________________?
6 / 50
For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?
7 / 50
Ram-jet engine__________________?
8 / 50
Hydraulic accumulator is used for____________________?
9 / 50
The theoretically correct air fuel ratio for petrol engine is of the order of___________________?
10 / 50
The following cycle is used for air craft refrigeration___________________?
11 / 50
For ship vessel industry the following layout is best suited_________________?
12 / 50
Heat and work are ____________________?
13 / 50
Templates are used for_________________?
14 / 50
The C.G. of a right circular solid cone of height h lies at the following distance from the base________________?
15 / 50
Aircraft body is usually fabricated by_________________?
16 / 50
The grouping of activities into organisational units is called_________________?
17 / 50
Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?
18 / 50
Father of industrial engineering is_________________?
19 / 50
Which of the following plans motivates supervisors by paying a premium on time saved by workers_________________?
20 / 50
Kinematic pairs are those which have__________________?
21 / 50
The ratio of heat flow Q1/Q2 from two walls of same thickness having their thermal conductivities as ATj ? 2K2 will be ________________?
22 / 50
On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process ________________?
23 / 50
Which of the following layouts is suited for mass production_________________?
24 / 50
Ackermann steering gear consists of_______________?
25 / 50
Micromotion study is__________________?
26 / 50
The most important objective behind plant layout is_____________________?
27 / 50
In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?
28 / 50
Medium specific speed of a pump implies it is_________________?
29 / 50
White metal contains__________________?
30 / 50
Klein?s construction can be used to determine acceleration of various parts when the crank is at_________________?
31 / 50
The fluid forces considered in the Navier Stokes equation are__________________?
32 / 50
The C.G. of a right circular solid cone of height h lies at the following distance from the base______________?
33 / 50
The property of a material by virtue of which it can be beaten or rolled into plates is called _________________?
34 / 50
Cylindrical cams can be classified as_________________?
35 / 50
Air refrigeration operates on_____________________?
36 / 50
If a system after undergoing a series of processes, returns to the initial state then__________________?
37 / 50
In a typical medium speed 4-stroke cycle diesel engine________________?
38 / 50
The unit of mass in S.I. units is ____________________?
39 / 50
Compression ratio of LD engines is ___________________?
40 / 50
The normal stress in a fluid will be constant in all directions at a point only if__________________________?
41 / 50
Gases have___________________?
42 / 50
An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about___________________?
43 / 50
The maximum discharge through a chimney occurs when the height of chimney is_____________________?
44 / 50
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is _________________?
45 / 50
The weight of a body is due to ___________________?
46 / 50
A perfect gas____________________?
47 / 50
Log mean temperature difference in case of counter flow compared to parallel flow will be________________?
48 / 50
In centrifugal pumps, maximum efficiency is obtained when the blades are_________________?
49 / 50
The first law of thermodynamics is the law of_________________?
50 / 50
Temperature of steam at around 540?C can be measured by ____________________?
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