superheater
air preheater
economiser
injector
✅ The correct answer is option B.
Mechanical Engineering MCQs
Sensitiveness of the governor is defined as the ratio of the
mean speed to the maximum equilibrium speed
mean speed to the minimum equilibrium speed
difference of the maximum and minimum equilibrium speeds to the mean speed
sum of the maximum and
✅ The correct answer is option C.
The gross or total head of the turbine is the __________ of the water levels at the head race and tail race.
sum
difference
product
✅ The correct answer is option B.
A petrol that detonates easily is called
high octane petrol
low octane petrol
unleaded petrol
blended fuel
✅ The correct answer is option B.
The difference between dry bulb temperature and dew point temperature, is called
dry bulb depression
wet bulb depression
dew point depression
degree of saturation
✅ The correct answer is option C.
The module in the reciprocal of diametral pitch.
Yes
No
✅ The correct answer is option A.
In a reciprocating engine, usually __________ of the reciprocating masses are balanced.
one-half
two-third
three-fourth
whole
✅ The correct answer is option B.
Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium.
cold body to hot body
hot body to cold body
smaller body to larger body
larger body to smaller
✅ The correct answer is option B.
The ratio of the pitch circle diameter in millimetres to the number of teeth, is called circular pitch.
Yes
No
✅ The correct answer is option B.
The edges of the boiler plates are bevelled to an angle of
45°
60°
70°
80°
✅ The correct answer is option D.