During idling a petrol engine requires
A.Rich mixture
B.Lean mixture
C.Chemically correct mixture
D.Variable mixture
E.None of above
A.Rich mixture
B.Lean mixture
C.Chemically correct mixture
D.Variable mixture
E.None of above
A.Atmosphere
B.Recycled back to compressor
C.Vacuum
D.Discharge nozzle
E.Compressor
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
A.0?C
B.? 10?C
C.? 100?C
D.? 137?C
E.? 200?C
A.Liquefied petroleum gas
B.Low pressure gas
C.Lubricated and purified gas
D.Low purity gas
A.The amount of heat required to raise the temperature of a unit quantity of substance through 1?C
B.The amount of heat requred to change the state or condition under which a substance exists without changing its temperature
C.The ratio of quantity of heat required to raise the temperature of a given weight of any substance through 1?C to the quantity of heat required to raise the temperature of same weight of water through 1?C
D.The heat sensed by a mercury thermometer
E.None of the above
A.Low moisture constant
B.Low ash content
C.Low calorific value
D.Low sulphur content
E.All of the above
A.At random
B.In circular motion
C.Back and forth like tiny pendulum
D.In irregular motion
E.None of above
A.Chemically correct air
B.Excess fuel
C.Excess air
D.Any of above
E.None of above
A.Calender’s equation
B.Dalton’s equation
C.Kelvin Helmhotz equation
D.Napier’s equation
E.Clapcyron’s equation