Related Questions

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
A Supercharging
B Wall temperature
C Compression ratio
D Engine speed
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
A 33.5%
B 37.5%
C 40%
D 50%
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
A 33.5%
B 37.5%
C 40%
D 50%
In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.
A Not effected
B Decrease
C Increase
D None of these
The increase of cooling water temperature in petrol engine will _________ the knocking tendency.
A Not effect
B Decrease
C Increase
D None of these
In petrol engines, advancing of the spark timing will _________ the knocking tendency.
A Not effect
B Decrease
C Increase
D None of these
Three-fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity. What part of the total capacity of the petrol reservoir did each truck receive?
A 3/20
B 4/15
C 2/15
D 1/5
Three -fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity, what part of the total capacity of the petrol reservoir did each truck receive?
A 320
B 415
C 215
D 15
Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?
A 1400
B 1200
C 1000
D 900
Two tanks A and B are are filled with petrol. Tank A holds 600 litre more than tank B. If 100 litre of petrol were taken out from each tank A would then contain 3 times as much petrol as tank B. What is the total number of litre of fuel in the two full tanks?
A 1400
B 1200
C 1000
D 900

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