TRUE
FALSE
✅ The correct answer is option A.
Engineering MCQs
The rate of removing metal is __________ by increasing the depth of cut.
decreased
increased
✅ The correct answer is option B.
The negative acceleration is called retardation.
TRUE
FALSE
✅ The correct answer is option A.
The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is
2mr2/3
2mr2/5
7mr2/3
7mr2/5
✅ The correct answer is option D.
The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.
Agree
Disagree
✅ The correct answer is option A.
Glazing in grinding wheels takes place when the
wheel is too hard or wheel revolves at a very high speed
wheel is too soft or wheel revolves at a very slow speed
wheel is too hard and wheel revolves at very slow speed
wheel is too soft and
✅ The correct answer is option A.
In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.
Agree
Disagree
✅ The correct answer is option B.
Carnot cycle consists of
two constant volume and two isentropic processes
two isothermal and two isentropic processes
two constant pressure and two isentropic processes
one constant volume, o
✅ The correct answer is option B.
Moisture should be removed from refrigerants to avoid
freezing at the expansion valve
restriction to refrigerant flow
corrosion of steel plates
all of these
✅ The correct answer is option D.
In a psychrometric chart, dew point temperature lines are horizontal and non-uniformly spaced.
Correct
Incorrect
✅ The correct answer is option A.