MECHANIC DIESEL MCQ & MOCK TEST ANSWERS-1

 MECHANIC DIESEL MCQ & MOCK TEST ANSWERS-1

1.What is the reason for high oil consumption?

A.Defective pressure relief valve

B.Fuel filter clogged

C.Improper valve timing

D.Worn out liner

Answer: D

2.In which type of cooling system used fins on the cylinder head?

A.Oil cooling

B.Water cooling

C.Liquid cooling

D.Air cooling

Answer: D

3.Which type of fuel system is best suited for less fuel consumption,

more power and reduce the exhaust emmision?

A.Inline pump system

B.Rotory pump system

C.Distributor pump system

D.CRDI system

Answer: D

4.Which type of fit will have maximum

size hole and minimum size shaft? |

A.Interference fit

B.Clearance fit

C.Transition fit

D.Shrinkage fit

Answer: B

5.What is the name the portion below the piston boss?

A.Land of the piston

B.Ring section of the piston

C.Crown of the piston

D.Skirt of the piston

Answer: D

6.Which fuel related with cetane number? 

A.Petrol

B.Diesel

C.Coal

D.Kerosene

Answer: B

7.How the CRDI injectors pressure control valve operated?

A.Mechanically

B.Electronically

C.Manually

D.Hydraulic

Answer: B

8.What is the material of the hand tap?

A.Cast Iron

B.Low carbon steel

C.High speed steel

D.Stainless steel

Answer: C

9.What is the specific gravity of fully

charged battery?

A.1.170 - 1.200

B.1.210 - 1.230

C.1.240 - 1.250

D.1.260 - 1.280

Answer: D

10.Which key used for easy fixing and removing?

A.Feather key

B.Gib-Head key

C.Hollow saddle key

D.Circular tapper key

Answer: B