Operation and Parameters in Diesel Power Plant - MCQs with answers

Operation and Parameters in Diesel Power Plant - MCQs with answers

Q1. What is supercharging?

a. Pumping of air into the cylinder at the pressure greater than atmospheric pressure.
b. Pumping of air out of the cylinder at the pressure greater than atmospheric pressure.
c. Pumping of air into the cylinder at the pressure lower than atmospheric pressure.
d. Pumping of air out of the cylinder at the pressure lower than atmospheric pressure.

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Q2. Calculate the overall efficiency of the diesel plant if the fuel consumption is 0.24 kg per kWh and the calorific value of the fuel being 10000 kcal/kg.

a. 30.78
b. 35.83
c. 28.73
d. 36.86

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Q3. The lubrication cost in a diesel power plant is

a. High
b. Low
c. Moderate
d. Very low.

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Q4. The identification of a two stroke engine is given by

a. Cooling system
b. Lubrication system.
c. Absence of valve.
d. All of these.

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Q5. Maximum temperature developed in a diesel engine is in the range of

a. 2000 - 2500 °C
b. 500 – 1000 °C
c. 1500 – 2000 °C
d. 1000 – 1500 °C

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Q6. High output diesel engines are started by

a. Self starter.
b. Compressed air.
c. Battery.
d. Cranking.

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Q7. Heating value of diesel is around?

a. 4000 kcal/kg
b. 10000 kcal/kg
c. 15000 kcal/kg
d. 20000 kcal/kg

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Q8. The temperature of the cooling water leaving the diesel engine should not exceed.

a. 25 °C
b. 40 °C
c. 85 °C
d. 70 °C

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