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The oil pump used in a lubrication system :
(A) Gear pump (B) Rotor pump
(C) Plunger pump ൯) Allof these

The Positive Crankcase Ventilation (PCV) the system is that it :
(^) mixes fuel with air
(B) promotes combustion by creating a swirling movement in the air fuel mixture
(C) returns blow-by gases from the crankcase to the intake system

(D) feeds blow-by gases to the exhaust manifold

The bellow type thermostat, bellows filled with ————— material.
(A) Wax (B) Acetone
(C) Sulphur (D) None of these

Water Circulation in a thermosyphon cooling system is caused by :
(A) Water pump
(2) The difference in densities of the water
(C) Abelt driven water impeller

(D) The difference in pressures of the water

Which of the following is not a positive displacement pump?
(A) Vane pump (B) Lobe pump
(C) Centrifugal pump (D) Piston pump

In Spark Ignition System the two fuel systems are used they are :
(^) Carbureted and diesel (B) Fuel injection and diesel
(C) Port and throttle body (D) Fuel injected and carbureted

In electric fuel pump all the following are true except :
(ಸಿ) It may be mounted in-line or in-tank
(2) It mounts on the cylinder block or head
(C) It shuts off if the ignition switch opens
(1) It reduces the possibility of vapor lock

Service man A says valve on cap of the fuel tank is to prevent pressure build up in the tank.
Service man B says same has to use to prevent the vacuum build up in the tank. Who is right?

(A) Service man A (B) Service man B
(0) Both AandB (D) Neither A nor B

195/2023 8 A