Georgia FFA Area Tractor Troubleshooting 2023

Which tractor control pedals need to be locked together to operate as one in controlling both wheels at the same time?

• Clutch

• Brake

• Differential

• Rotary

If a remote hydraulic cylinder does not operate smoothly when you check it immediately after hookup to the tractor, the most likely difficulty is:

• improper connection

• air in the cylinder

• oil is not warmed up

• hydraulic hose length is too long

To prevent damage to tractor starter motors from overheating, never operate a starter motor for more than ________ seconds, and then allow the starter to cool for ________ minutes before attempting to start the tractor again.

• 10 seconds, 1 minute

• 20 seconds, 2 minutes

• 30 seconds, 2 minutes

• 40 seconds, 1 minute

The complete engine electrical system consists of three circuits, which of the following does not belong;

• Charging Circuit

• Battery Circuit

• Starting Circuit

• Ignition Circuit (Spark-Ignition Engine)

The average compression ratio for diesel engines in tractors is approximately _______________.

• 8:1

• 10:1

• 16:1

• 20:1

Tractor drawbars should be adjusted in order to provide _____ to ______ inches of ground clearance in order to provide a safe position for towing heavy loads and allow for most PTO hookups.

• 10 to 18

• 11 to 20

• 13 to 21

• 15 to 24

A solution of ______ ________ and water provides safe, economical ballast for tractor tires and prevents water from freezing.

• sodium glyphosate

• isopropyl alcohol

• hydrogen peroxide

• calcium chloride

In a comparison of engine fuel types, the ________ engine demonstrates the lowest amount of lubricating oil contamination.

• gasoline

• LP-gas

• diesel

• bio-diesel

The valves in an engine are normally driven by the __________.

• crankshaft

• piston

• camshaft

• injector pump

___________ occurs under high drawbar loads, in certain soil conditions on four wheel drive tractors. It is indicated by loss of traction and a bouncing/pitching ride.

• Power hop

• Clutch disengagement

• Power takeoff

• Fuel vaporization