hearth
stack
bosh
throat
✅ The correct answer is option B.
Mechanical Engineering MCQs
In a vapour compression system, the condition of refrigerant is dry saturated vapour
before entering the compressor
after leaving the compressor
before entering the condenser
after leaving the cond
✅ The correct answer is option A.
The air power of the compressor is also known as
indicated power
brake power
frictional power
none of these
✅ The correct answer is option A.
In forced circulation steam boilers, the force is applied
to draw water
to circulate water
to drain off the water
all of these
✅ The correct answer is option B.
When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is
bending stress only
a combination of torsional shear stress and bending
direct shear stress only
a combination of bendi
✅ The correct answer is option A.
A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called
blow off cock
stop valve
superheater
none of these
✅ The correct answer is option D.
The index which corelates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as
mean radiant temperature
effective temperature
dew point temperature
none of these
✅ The correct answer is option B.
The sensitiveness of a governor depends upon the lift of the sleeve.
Right
Wrong
✅ The correct answer is option A.
The tool life __________ as the cutting speed increases.
decreases
increases
✅ The correct answer is option A.
If the critical pressure ratio for steam is 0.546, then the steam is initially
wet steam
dry saturated steam
superheated steam
none of these
✅ The correct answer is option C.