✅ The correct answer is option C.
Engineering MCQs
An operation of enlarging the end of a hole cylindrically is known as grooving.
Correct
Incorrect
✅ The correct answer is option B.
In ideal machines, mechanical advantage is __________ velocity ratio.
equal to
less than
greater than
✅ The correct answer is option A.
18/8 stainless steel consists of
18% nickel and 8% chromium
18% chromium and 8% nickel
18% nickel and 18% chromium
8% nickel and 8% chrom
✅ The correct answer is option B.
When the gas is heated at constant volume, the heat supplied
increases the internal energy of the gas and increases the temperature of the gas
does some external work during expansion
Both (A) and (B)
None of these
✅ The correct answer is option A.
The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, is
zero
wl/4
wl/2
wl2/2
✅ The correct answer is option A.
The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is
2-Mar
3-Apr
1
9-Aug
✅ The correct answer is option D.
The property of a bearing material which has the ability to accomodate small particles of dust, grit etc. without scoring the material of the journal, is called
bondability
embeddability
comformability
fatigue strength
✅ The correct answer is option B.
The reheat factor depends upon
initial pressure and superheat
exit pressure
turbine stage efficiency
all of these
✅ The correct answer is option D.
Second law of thermodynamics defines
heat
work
internal energy
entropy
✅ The correct answer is option D.