Correct
Incorrect
✅ The correct answer is option A.
Engineering MCQs
Which of the following are boiler accessories ?
economiser
superheater
both (a) and (b)
none of these
✅ The correct answer is option C.
The reduced ambient air cooling system has
one cooling turbine and one heat exchanger
one cooling turbine and two heat exchangers
two cooling turbines and one heat exchanger
two cooling turbines a
✅ The correct answer is option C.
A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is knwon as
superheater
air preheater
economiser
injector
✅ The correct answer is option B.
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 spring balances, the spring is used
to apply forces
to measure forces
to absorb shocks
to store strain energy
✅ The correct answer is option B.