humidity ratio
relative humidity
absolute humidity
degree of saturation
✅ The correct answer is option B.
Mechanical Engineering MCQs
The cutting angle of a flat drill varies from
3° to 8°
20° to 30°
60° to 90°
90° to 120°
✅ The correct answer is option D.
A piezometer tube is used only for measuring
low pressure
high pressure
moderate pressure
vacuum pressure
✅ The correct answer is option C.
Linde welding uses
neutral flame and right-ward technique
oxidising flame and left-ward technique
neutral flame and left-ward technique
carburising flame and
✅ The correct answer is option D.
Most air cooled condensers are designed to operate with a temperature difference of
5°C
8°C
14°C
22°C
✅ The correct answer is option C.
A sliding bearing which operates without any lubricant present, is called
zero film bearing
boundary lubricated bearing
hydrodynamic lubricated bearing
hydrostatic lubricated
✅ The correct answer is option A.
A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
Correct
Incorrect
✅ The correct answer is option A.
The function of an eccentric rod is
to provide reciprocating motion to the slide valve
to convert reciprocating motion of the piston into rotary motion of the crank
to convert rotary motion of the crankshaft into to and fro motion of the valve rod
to provide simple harm
✅ The correct answer is option C.
For arc welding
alternating current with high frequency is used
alternating current with low frequency is used
direct current is used
any one of these
✅ The correct answer is option C.