Safety
Diseases kill ________ farm children than accidents.
A. more
B. fewer
B. fewer
In a four cycle engine it takes ________ revolution(s) of the
crank shaft to complete the firing in all of the cylinders.
A. one
B. two
B. two
When a transmission is in overdrive the input shaft is turning faster than
the output shaft.
A. True
B. False
B. False
LPG tractors ________ require warming up before applying a load.
A. do
B. do not
A. do
All weather antifreeze and coolant ratio should be 1/1 with water.
A. True
B. False
A. True
Exhaust gases are deadly poison because they contain:
A. carbon monoxide.
B. carbon dioxide.
A. carbon monoxide.
One of these is not a spark ignition engine.
A. gasoline
B. LPG
C. diesel
C. diesel
________ tractors can be shifted from one gear to another
without using the clutch.
A. All
B. Some
B. Some
Operating a tractor engine with a low engine temperature
will result in ________ than when the temperature is normal.
A. more power
B. less power
B. less power
Adding all weather antifreeze and coolant lowers the boiling point
of the coolant solution.
A. True
B. False
B. False
When getting ready to operate power-driven equipment, the
first step is to:
A. start it up and see if it still runs.
B. be sure all of the shields and guards are in place.
C. check the speed of the PTO.
B. be sure all of the shields and guards are in place.
The throttle on a gasoline tractor is actually a:
A. governor control.
B. control attached to the carburetor.
C. device for increasing the fuel as it mixes with air.
A. governor control.
Single-acting hydraulic cylinders:
A. exert force in one direction only.
B. exert force in both directions.
A. exert force in one direction only.
If you are plowing and the red light comes on, indicating low
oil pressure, you should:
A. leave the tractor engine running and go for help.
B. increase the throttle setting to see if the light will go out.
C. shut the engine off at once.
C. shut the engine off at once.
It ________ normal for a tractor engine to consume some crankcase oil.
A. is
B. is not
A. is
Lights on tractors should be visible for a distance of:
A. 200 feet.
B. 1,500 feet.
C. 500 feet.
C. 500 feet.
Two 6-volt batteries connected in series yields:
A. 6-volts.
B. 24-volts.
C. 12-volts.
C. 12-volts.
It is better to ________ of a ditch when the rear wheels
start to spin.
A. back out
B. drive out
A. back out
When you push down on a foot-pedal clutch, the clutch is:
A. engaged.
B. disengaged.
B. disengaged.
It ________ possible to over lubricate the clutch throw-out bearing
on your tractor.
A. is
B. is not
A. is
It takes half a second for a tractor accident to happen. In an
emergency it may take you ________ to make the proper reaction
to avoid the accident.
A. 1/10 second
B. 1 second or more
B. 1 second or more
Two 12-volt batteries connected in parallel yield:
A. 6-volts.
B. 12-volts.
C. 24-volts.
B. 12-volts.
When pulling a heavy load up a slope, keep the hitch:
A. as low as possible.
B. as high as possible.
A. as low as possible.
Shutting off an engine before letting it idle for a few minutes:
A. makes it hard to start the next time.
B. may cause warped valves due to uneven cooling.
B. may cause warped valves due to uneven cooling.
If dirt should enter the engine, it:
A. causes rapid wear of the cylinder walls.
B. is burned up in the cylinder without doing much damage.
C. is washed away by oil.
A. causes rapid wear of the cylinder walls.