1. 0.15 kg
2. 0.2 kg
3. 0.25 kg
4. 0.3kg
0.25 kg
1. more
2. loss
3. same
4. may be more or less depending on engine capacity
loss
1. 2-stroke petrol engine
2. 4-stroke petrol engine
3. diesel engine
4. steams turbine.
steams turbine.
1. Thermal efficiency of diesel engine i about 34%
2. Theoretically correct mixture of air am petrol is approximately 15 : 1
3. High speed compression engines operate on dual combustion cycle
4. S.I. engines are quality-governed engines.
S.I. engines are quality-governed engines.
1. exhaust will be smoky
2. piston rings would stick into piston grooves
3. exhaust temperature will be high
4. scavenging occurs.
scavenging occurs.
1. feeding more fuel
2. increasing flywheel size
3. heating incoming air
4. supercharging.
supercharging.
1. increase
2. decrease
3. remain same
4. increase up to certain limit and then decrease
increase
1. Otto cycle is more efficient than the Diesel
2. Diesel cycle is more efficient than Otto
3. both Otto and Diesel cycles are, equally efficient
4. compression ratio has nothing to do with efficiency
Otto cycle is more efficient than the Diesel
1. vaporization
2. carburetion
3. ionization
4. atomization.
atomization.
1. peak pressure
2. rate of rise of pressure
3. rate of rise of temperature
4. peak temperature
rate of rise of pressure