equal to 118°
less than 118°
more than 118°
any one of these
✅ The correct answer is option B.
Engineering MCQs
The value of universal gas constant is same for all gases.
Yes
No
✅ The correct answer is option A.
The main function of an exhaust muffler is the
optimisation of exhaust efficiency
reduction of exhaust noise
reduction of nitrogen oxide in the exhaust gases
reduction of the exhau
✅ The correct answer is option B.
In hot machining, the work is heated by
simple heating
flame heating
induction heating
any one of these
✅ The correct answer is option D.
The function of positive crankcase ventilation (PCV) system is that it
mixes fuel with air
promotes combustion by creating a swirling movement in the air-fuel mixture
returns blow-by gases from the crankcase to the intake system
feeds blow-by gases to
✅ The correct answer is option C.
The Locomotive boiler has
137 fire tubes and 44 superheated tubes
147 fire tubes and 34 superheated tubes
157 fire tubes and 24 superheated tubes
167 fire tubes and 14
✅ The correct answer is option C.
The form grinding is used to grind gear teeth, threads, splined shafts and holes.
Correct
Incorrect
✅ The correct answer is option A.
The linear velocity of a body rotating at ω rad / s along a circular path of radius r is given by
ω/r
ω.r
ω2/r
ω2.r
✅ The correct answer is option B.
In Emerson’s efficiency plan of wage incentive system, bonus is paid to a worker
whose output exceeds 67% efficiency
on the percentage of time saved
on the percentage of time worked
on the percentage of s
✅ The correct answer is option A.
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to
inject fuel in a chamber of high pressure at the end of compression stroke
inject fuel at a high velocity to facilitate atomisation
ensure that penetration is not high
all of the above
✅ The correct answer is option D.