Endurance test for I.C. engines is conducted for
A.100 hours
B.200 hours
C.400 hours
D.500 hours
E.1000 hours
Category: Heat Engines Mcqs
In pumped storage systems, water is pumped
A.Upstream during peak load periods
B.Upstream during off peak periods
C.Upstream during off season
D.None of the above
A fan is being operated in an environment for which information is available. Now if the fan speed is doubled, how will the static pressure vary
A.No change
B.Doubled
C.Four times
D.Eight times
E.Sixteen times
Movement of air inside engine cylinder does not help in
A.Distribution of fuel
B.Mixing of fuel with air
C.Reduction of after burning
D.Reducing noise
Which of the following is false statement? The cause of slow cranking of a gas engine during starting may be
A.Partially discharged battery
B.Heavy engine oil
C.Faulty starting motor
D.Under capacity battery
E.High air temperature
During idling a petrol engine requires
A.Rich mixture
B.Lean mixture
C.Chemically correct mixture
D.Variable mixture
E.None of above
In a jet propulsion unit the products of combustion after passing through the gas turbine are discharged into
A.Atmosphere
B.Recycled back to compressor
C.Vacuum
D.Discharge nozzle
E.Compressor
The function of a condenser in a steam power plant is
A.To reduce back pressure
B.To utilise heat of exhaust steam
C.To preheat feed water with exhaust steam
D.To act as a heat sink
E.To condense feed water
The lowest temperatures that can be measured by a gas thermometer using nitrogen is
A.0?C
B.? 10?C
C.? 100?C
D.? 137?C
E.? 200?C
LPG stands for
A.Liquefied petroleum gas
B.Low pressure gas
C.Lubricated and purified gas
D.Low purity gas
