### Diesel Engine Power plants Multiple Choice Questions with Answers

Diesel power plants Diesel Engine Power plants Multiple Choice Questions with Answers 1. What is the maximum temperature in the I.C. engine cylinder is of the order of(in degree Celsius)? a) 500-1000 b) 1000-1500 c) 1500-2000 d) 2000-2500 Answer: 2000-2500 2. The thermal efficiency of diesel engines is about __________ a) 30% b) 15% c) 50% d) 70% Answer: 70% 3. The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be __________ a) 20% b) 25% c) 50% d) 55% Answer: 50% 4. The specific fuel consumption per B.P. hour for a petrol engine is about __________ a) 0.2 kg b) 0.25 kg c) 0.3 kg d) 0.35 kg Answer: 0.25 kg 5. 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 Answer: 2000 -2500 °C 6. 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)