Tractor "quiz" pg 4

Ok last page of the tractor quiz.

19.    In the WD-45 power created engine with 6.5 to 1 compression ratio:

          ( ) a. Only premium fuel may be used.

          ( ) b. Premium fuel performance is obtained on regular gasoline.

          ( ) c. Less horsepower is obtained on regular gasoline.

20.    Maximum floatation on tractor drive wheels is obtained by:

          ( ) a. Increased tire size.

          ( ) b. Using correct air pressure.

          ( ) c. Removing liquid ballast.

21.    The hand clutch on the CA tractor is a:

          ( ) a. Multiple plate wet type clutch.

          ( ) b. Single plate wet type clutch.

          ( ) c. Single plate dry type clutch.

22.    The use of pressure radiators on model B, CA and WD-45 tractors:

          ( ) a. Raises the normal operating temperatures.

          ( ) b. makes engines run cooler.

          ( ) c. Eliminates the need of a water pump.

23.    The term "power-crater" used in connection with the WD-45 engine refers to.

          ( ) a. The shape of the cylinder head.

          ( ) b. The shape of the valves.

          ( ) c. The shape of the piston head.

24.    The automatic traction booster on the WD-45 and CA tractors:

          ( ) a. Positions an implement for working depth.

          ( ) b. Gives more traction with pull type implements.

          ( ) c. Uses some of the weight of mounted implements for traction.



Ok guys last page of this quiz next week ill have one of he implements quiz.
Enjoy.

Edited by Mikez - 27 Apr 2017 at 9:34pm

19 = b
20 = b
21 = c
22 = a
23 = c
24 = c

There, I've hidden my answers


Edited by Lonn - 28 Apr 2017 at 6:05am

SURE!!  Lonn types faster than me...

Here's my best guess:
19: B
20: B
21: C
22: A
23: C
24: C

The guy that worked for my grandfather took this test in January 29/1957.
And got a 92% on it.