nominal size
basic size
actual size
tolerance
✅ The correct answer is option D.
Mechanical Engineering MCQs
Which of the following is an inversion of a double slider crank chain?
Oldham’s coupling
Elliptical trammel
Scotch yoke mechanism
all of these
✅ The correct answer is option D.
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces
white cast iron
nodular cast iron
malleable cast iron
alloy cast iron
✅ The correct answer is option D.
The basic principle of the rocket propulsion is the same as that of jet propulsion.
Yes
No
✅ The correct answer is option A.
The velocity ratio for the third system of pulleys is
n
n2
2n
2n – 1
✅ The correct answer is option D.
The alloying element which can replace tungsten in high speed steels is
nickel
vanadium
cobalt
molybdenum
✅ The correct answer is option D.
The most commonly used power plant in automobiles is
gas turbine
I.C. engine
battery
none of these
✅ The correct answer is option B.
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to
vector sum of radial component and coriolis component
vector sum of tangential component and coriolis component
vector sum of radial component and tangential component
vector difference of r
✅ The correct answer is option C.
The minimum work required for a three stage reciprocating air compressor is __________ the work required for each stage.
equal to
double
three times
six times
✅ The correct answer is option C.
A condenser where circulating water flows through tubes which are surrounded by steam, in known as
surface condenser
jet condenser
barometric condenser
evaporative condenser
✅ The correct answer is option A.