28,

24,

25.

26.

27,

28.

29,

30.

31.

The expanded form of CRDI is :
(^) Common Rear engine Diesel Injection
(B) Common Rail Direct Injection
(C) Computerized Direct Injection
(D) Commeoen Range Diesel Injection

Fuel service tank —» fuel feed pump ‏ممت ج‎ വ 0261 injector.
(வி Fuel purifier (B) Fuel filter
(6) Fuel cooler (1)) Fuel injection pump
The fuel quantity 10 be injected to the cylinder is controlled by the movement of ————— of
the fuel injection pump.
ക Barrel (B) Delivery valve
(C) Compression spring (D) Helical groove
Example for solid lubricant :
(4) Paint (B) Vegetable oil
(C) Graphite (10) None of these

Lubricating oil priming pump is used for :
(A) Lubricate the engine parts before starting
(B) Lubricate the engine parts after starting
(C) Lubricate the engine parts during running
(D) Lubricating the main lub. oil pump

Choose the option which is NOT the purpose of a lubricating ‏آذه‎

(ಗಿ) Cleaning of parts (B) Oxidizing the engine parts

(0) Cooling of engine parts (D) Prevention of corrosion
Lubrication system suitable for small engines ;

(A) forced lubrication - (B) periodical lubrication

(¢) solid lubrication (D) splash lubrication
SAE 15 W-40 is one of the grades used in lubricating oil. The “W” stands for :

(^) Water (B) Winter

(C) Wet Sump (0) White

Fins are used in Air Cooled IC engines :
(ക To increase the cooling area
(B) To reduce weight
(C) To get attractive shape 10 engine
(0) To keep engine dry

16/2015 6 A