Automotive Service Technician (Two Wheeler and Three Wheeler) Job Role Question Paper Downlord

 



Automotive Service Technician (Two Wheeler and Three Wheeler) Job Role Question Paper Downlord in PDF


Answer the following Question 

1. If petrol is used in diesel engine then there will be_____________ 

A. Higher knocking

B. Black smoke

C. More fuel consumption 

D. Improper combustion


2. The clutch plate of a 4 wheeler is located between 

a. Engine crankshaft and flywheel 

b. Engine flywheel and gearbox 

c. Engine flywheel and pressure plate 

d. Pressure plate and gearbox 


3. Poppet valves are not present in

a. 2 stroke petrol engines 

b. 4 stroke petrol engines

c. 4 stroke L.P.G. engines 

d. 4 stroke diesel engines


4. Overhead camshaft engines will not have

a. Tappet

b. Poppet valve 

c. Rocker shaft 

d. Push rod 


5. The camshaft of a 4 stroke engine will be rotating at 

a. One fourth of the speed of the crankshaft 

b. Half the speed of the crankshaft 

c. Twice the speed of the crankshaft 

d. Four times the speed of the crankshaft


6. The bottom most piston ring of a 4 stroke engine is called 

a. Compression ring 

b. Expansion ring 

c. Oil scraper ring 

d. Oil supply ring

7. The portion below the piston pin bosses of a piston is called 

a. Land of the piston 

b. Bottom of the piston 

c. Crown of the piston 

d. Skirt of the piston


8. Tappet clearance of an engine having side camshaft is 

a. The clearance between the tappet and cam lobe

 b. The clearance between the tappet and pushrod 

c. The clearance between the rocker arm and the push rod 

d. The clearance between the valve stem and the rocker arm 


9. Tappet clearance is measured by 

a. Feeler gauge

b. Dial gauge 

c. Vernier caliper

d. Micrometer 


10. The connecting rod big end bearing for multi cylinder engines are 

a. Bush bearing 

b. Ball bearing 

c. Shell bearing 

d. Roller bearing


11. Which of the following is not a function of the engine flywheel of a four wheeler

a. To smooth the power fluctuations 

b. To act as a friction surface for the clutch assembly 

c. To accommodate the ring gear for starter motor engagement 

d. To connect the crankshaft to the clutch shaft


12. The clutch housing of a four wheeler is bolted to 

a. The engine flywheel 

b. The pressure plate 

c. The gear box housing 

d. The engine cylinder block 


13. The number of universal joints used in the propeller shaft of a front engine rear drive car is 

a. 1 

b. 2 

c. 3 

d. 4


14. The bearings for the clutch shaft will be located at 

a. Engine block and gearbox housing 

b. Rear end of the crankshaft flange and gear box housing 

c. Engine flywheel and pressure plate 

d. Engine block and clutch housing 


15. Constant Velocity Joints are used

 a. At the two ends of the propeller shaft

 b. At the shaft of tilting type steering column 

c. At the ends of the rear axle shaft

 d. At the road wheel ends of the axle shafts of front drive vehicles


16. A sliding joint is provided in the propeller shaft 

a. For accommodating the variation in length of propeller shaft 

b. For accommodating the variation in angle of propeller shaft 

c. For accommodating the backlash of the propeller shaft

 d. For accommodating the angular speed variation of the propeller shaft 


17. The alternators in automobiles are driven by

 a. Gear drive 

b. Chain and sprocket drive 

c. V-belt drive

 d. Flat belt drive


18. The need of a fuel lift pump in a petrol engine is

a. To inject fuel under pressure into the cylinder 

b. To supply fuel to the carburetor bowl against gravity

c. To atomize the fuel in the carburetor 

d. To vaporize the fuel in the manifold 


19. MPFI engines will not have

 a. Fuel injectors 

b. Carburetor 

c. Fuel pump 

d. Spark plugs



20. Starter motors used in Automobiles are

 a. D.C. series motor

 b. D.C. shunt motor

 c. D.C. Compound motor 

d. A.C. Squirrel cage motor



21. The SAE grade of lubricant oil used of the engine lies between 

a. 5 & 10 

b. 10 & 20

c. 20 & 40

d. 40 & 80 


22. If the level of lubrication oil in the crankcase reduces then topping up is done by 

a. Filling through the filler plug in the crankcase 

b. Filling through the air filler

 c. Filling through the dipstick holder in the crankcase 

d. Filling through the cap in the valve door


23. Which of the following unit is not lubricated with lubricating oil 

a. Steering gear

 b. Wheel bearing 

c. Gear box

 d. Differential unit 


24. The thermostat in the cooling system is for 

a. Monitoring the temperature of coolant 

b. Monitoring the pressure of coolant 

c. Controlling the flow of coolant to the radiator from the engine 

d. Controlling the density of the coolant 


25. Which of the following unit is not lubricated in a four wheeler

 a. Steering system 

b. Gear box 

c. Clutch 

d. Propeller shaft