tensile strength
yield strength
hardness
all of these
✅ The correct answer is option D.
Mechanical Engineering MCQs
In a single acting reciprocating air compressor, without clearance, the compression of air may be
isothermal
polytropic
isentropic
any one of these
✅ The correct answer is option D.
Air refrigerator works on
reversed Carnot cycle
Bell Coleman cycle
both (a) and ib)
none of these
✅ The correct answer is option C.
Which of the following is an intensive property of a thermodynamic system?
Volume
Temperature
Mass
Energy
✅ The correct answer is option B.
Otto cycle is also known as
constant pressure cycle
constant volume cycle
constant temperature cycle
constant temperature a
✅ The correct answer is option B.
In order to determine the effects of a force, acting on a body, we must know
magnitude of the force
line of action of the force
nature of the force i,e. whether the force is push or pull
all of the above
✅ The correct answer is option D.
The hyperbolic pocess is governed by
Boyle’s law
Charles’ law
Gay-Lussac law
Avogadro’s law
✅ The correct answer is option A.
The chuck preferred for quick setting and accurate centering of a job is
four jaw independent chuck
collect chuck
three jaw universal chuck
magnetic chuck
✅ The correct answer is option B.
German silver contains
70% copper and 30% zinc
60% copper and 40% zinc
59% copper, 40% zinc and 1% tin
60.45% copper, 35.2% z
✅ The correct answer is option D.
Muntz metal (Yellow brass) contains
70% copper and 30% zinc
60% copper and 40% zinc
59% copper, 40% zinc and 1% tin
60.45% copper, 35.2% z
✅ The correct answer is option B.