AGR 318 (CHAPTER 1,2,3,4 & 5)

All the below practices are considered good and safe in tractor handling procedure, except:

• Reading the operator manual before attaching and operating any machine unto the tractor is recommended.

• Running the tractor engine in closed and clean conditions such as garage is recommended

• Regular checking of the tractor fluids such as the hydraulic oil is recommended.

• Refuel the tractor fuel tank after every operation is recommended.

Steam-powered traction engine was introduce by Harisson on ___

• 1750

• 1769

• 1882

• 1902

All the below factors are considered for selecting a suitable farm tractor except:

• Cropping pattern

• Design of tractor

• Facilities for repairing a tractor

• Climate condition

Stationary work in agricultural operation is a ____

• Threshing

• Cultivation

• Manufacturing

• Composting

New invention and technique in agriculture was introduce _______.

• before 18th & 19th century.

• in 18th & 19th century.

• after 18th & 19th century.

• none of the above

______ is use to check and adjust a clearance between two flat surface.

• Valve clearance

• Feeler gauge

• Compression ring

• Scientific measuring ruler.

A carburetor is used to supply __________.

• Petrol, air and lubricant oil

• Air and diesel

• Petrol and lubricant oil

• Petrol and air

A petrol engine has compression ratio __________.

• 6 to 10

• 10 to 15

• 15 to 25

• 25 to 40

In a 4-stroke engine, the working cycle is completed in ___________.

• One revolution of crankshaft

• Two revolution of crankshaft

• Three revolution of crankshaft

• Four revolution of crankshaft

Which of the following does not related with spark ignition engine.

• Ignition coil

• Spark plug

• Distributor

• Fuel injector