Internal Combustion Engines
The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be

Remain unaffected
None of the listed here
Higher
Lower

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by

V₁/(V₀ + V₁)
(V₀/V₁)/ [1 + (V₀/V₁)²]
[2(V₀/V₁)]/ [1 + (V₀/V₁)²]
V₀/(V₀ + V₁)

ANSWER DOWNLOAD EXAMIANS APP