1. 24.8
2. 38.6
3. 44.8
4. 53.1
24.8
1. Changing the ignition timing.
2. Regulating the amount of air-fuel inducted
3. Regulating the amount of air-fuel mixture
4. Regulating the amount of fuel.
Regulating the amount of air-fuel mixture
1. Iso – octane and n-heptane
2. Cetane and α-methylnaphthalene
3. Hexadecane and n-heptane
4. Cetane and iso-octane
Cetane and α-methylnaphthalene
1. NOX is reduced
2. CO2 is reduced
3. HC is reduced
4. CO reduced
NOX is reduced
1. Increasing the pressure of intake air
2. Increasing the temperature of intake air
3. Increasing the density of intake air
4. Decreasing the density of intake air
Increasing the density of intake air
1. The cetane number of alcohol fuels is very low which prevents their ignition by compression
2. The cetane number of alcohol fules is very high which prevents their ignition by compression
3. The octane number of alcohol fuels is very low which prevents their ignition by Compression
4. None of the above
None of the above
1. 2 Stroke SI engine, 4 stroke SI engine, 4 stroke CI engine
2. 2 Stroke SI engine, 4 stoke CI engine, 4 stroke SI engine
3. 4 Stroke SI engine, 2 stroke SI engine, 4 stroke CI engine
4. 4 Stroke CI engine, 4 stroke SI engine, 2 stroke SI engine
2 Stroke SI engine, 4 stroke SI engine, 4 stroke CI engine
1. 5.94
2. 1.83
3. 7.9
4. 39.5
5.94
1. – α(ΔT)E/(1-2U)
2. - 2α(ΔT)E/(1-2U)
3. - 3α(ΔT)E/(1-2U)
4. – α(ΔT)E/3(1-2U)
– α(ΔT)E/(1-2U)
1. No normal stress
2. also the maximum normal stress
3. The minimum normal stress
4. Both normal stress and shear stress
Both normal stress and shear stress