at the recrystallisation temperature
below the recrystallisation temperature
above the recrystallisation temperature
at any temperature
✅ The correct answer is option C.
Mechanical Engineering MCQs
If the fuel is rich in fissionable material, the reactor can be made more compact than if the percentage of fissionable atoms is small.
Agree
Disagree
✅ The correct answer is option A.
The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called
Kinetic theory of gases
Newton’s law of gases
Dalton’s law of partial pressures
Avogadro’s hypothesis
✅ The correct answer is option C.
The working of which of the following hydraulic units is based on Pascal’s law?
Air lift pump
Jet pump
Hydraulic coupling
Hydraulic press
✅ The correct answer is option D.
The colour of the flame of halide torch, in case of leakage of freon refrigerant, will change to
bright green
yellow
red
orange
✅ The correct answer is option A.
The radiation emitted by a black body is known as
black radiation
full radiation
total radiation
all of these
✅ The correct answer is option D.
Joule is the unit of
force
work
power
velocity
✅ The correct answer is option B.
The acidic bessemer process is suitable for producing steel from pig iron containing large quantities of phosphorus.
Correct
Incorrect
✅ The correct answer is option B.
The lip clearance angle is the angle formed by the
leading edge of the land with a plane having the axis of the drill
flank and a plane at right angles to the drill axis
chisel edge and the lip as viewed from the end of a drill
none of the above
✅ The correct answer is option B.
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
one-fourth
one-third
one-half
double
✅ The correct answer is option B.