Related Questions

The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
A Enable the pump's fault diagnosis function to operate
B Warm up and lubricate the pump
C Supplies a large amount of fuel and thereby creates a choke effect
D Pressurise the fuel system before the engine is started
The fuel pump in the programmed fuel injection (PFI) system is located
A Between the fuel filler pipe and fuel tank
B In the fuel tank
C On the distributor mounting in the engine compartment
D On the engine compartment bulkhead
The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be
A Higher
B Lower
C Remain unaffected
D None of the above
Travelling at a constant speed of 32 miles per hours, a certain motorboat consumers 24gallons of fuel per hour. What is the fuel consumption of his boat this speed measured in miles per gallons of fuel?
A 2/3
B 3/4
C 4/5
D 4/3
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
A 1,400
B 1,200
C 1,000
D 900
He knows A e to repair theB carburettor taking C the whole car apart D
A A
B B
C C
D D
A carburettor is used to supply
A Petrol, air and lubricating oil
B Air and diesel
C Petrol and lubricating oil
D Petrol and air
The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the
A Jet area is automatically varied depending on the suction
B The flow from the main jet is diverted to the compensating jet with increase in speed
C The diameter of the jet is constant and the discharge coefficient is invariant
D Flow is produced due to the static head in the float chamber
Carburettor in a spark ignition engine is used to
A Mix air-fuel in the desired ratio
B Maintain a constant speed at varying loads
C Adjust the stroke length
D Increase the compression ratio

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