The fuel in diesel engine is normally injected at pressure of_________________?
(A) 5-10 kg/cm2
(B) 20-25 kg/cm2
(C) 60-80 kg/cm2
(D) 90-130 kg/cm2
(D) 150-250 kg/cm2
The maximum temperature in the I.C. engine cylinder is of the order of ________________?
(A) 500- 1000°C
(B) 1000- 1500°C
(C) 1500-2000°C
(D) 2000-2500°C
(D) 2500-3000°C
The pressure and temperature at the end of compression stroke in a petrol engine are of the order of___________________?
(A) 4 – 6 kg/cm2 and 200 – 250°C
(B) 6 – 12 kg/cm2 and 250 – 350°C
(C) 12 – 20 kg/cm2 and 350 – 450°C
(D) 20 – 30 kg/cm2 and 450 – 500°C
(D) 30 – 40 kg/cm2 and 500 – 700°C
In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?
(A) high heat value
(B) low heat value
(C) net calorific value
(D) middle heat value
(D) calorific value
Fuel oil consumption guarantees for I .C. engine are usually based on__________________?
(A) low heat value of oil
(B) high heat value of oil
(C) net calorific value of oil
(D) calorific value of fuel
(D) all of the above
All heat engines utilize_____________________?
(A) low heat value of oil
(B) high heat value of oil
(C) net claorific value of oil
(D) calorific value of fuel
(D) all of the above
The calorific value of gaseous fuels is expressed in terms of__________________?
(A) kcal
(B) kcal/kg
(C) kcal/m2
(D) kcal/m²
(D) all of the above
A heat engine utilises the_________________?
(A) calorific value of oil
(B) low heat value of
(C) high heat value of oil
(D) mean heat value of oil
(D) all of the above
The rating of a diesel engine, with increase in airintlet temperature, will ___________________?
(A) increase linearly
(B) decrease linearly
(C) increase parabolically
(D) decrease parabolically
(D) first decrease linearly and then increase parabolically
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of____________________?
(A) 250°C
(B) 500°C
(C) 1000°C
(D) 150CPC
(D) 2000°C