And CORRECT Answers
Agricultural mechanization involves?
a. processing
b. utilization of non human energy
c. more efficient use of fertilizer - CORRECT ANSWER - all of the above
T/F the tractor centre of gravity lowers as the load - CORRECT ANSWER - false
work is - CORRECT ANSWER - changing the position of an object against an opposing
force
the power needed to move 550 lbs 1ft in 1 second is referred to - CORRECT ANSWER -
horsepower
if you are unfamiliar with the tractor operation you should - CORRECT ANSWER - read
the manual
when driving a tractor you have to wear a seat belt - CORRECT ANSWER - ever time you
drive a tractor
the ability of the tractor tires and wheels to transform the power from the drive train into forward
motion is? - CORRECT ANSWER - traction
the first rubber tractor tires were developed by - CORRECT ANSWER - fire stone
T/F genetic energy is the energy possessed by a body by venture of its motion - CORRECT
ANSWER - true
, why do we want some tire slipage - CORRECT ANSWER - helps with traction on soft soil
cushions the drive train from shocks
what percentage of wt should be disturbed to the from of a 2 wheel drive tractor - CORRECT
ANSWER - 25%
T/F to calculate ground pressure you divide axle load by flat plate area - CORRECT
ANSWER - true
what are duals on a tractor used for?
a. more traction
b. more floatation
c. lessgreund compaction - CORRECT ANSWER - all of the above
what is the best way to minimize compaction?
a. keep axle wt under 10 tons
b. increase foot print of the tire
c. reduce tire pressure - CORRECT ANSWER - all of the above
T/F its okay to hook up the pro with the tractor running - CORRECT ANSWER - false
T/F 85-90% of the soil compaction occurs on the first pass - CORRECT ANSWER - false
what % of the wt should be distributed to the front of a front wheel assist tractor - CORRECT
ANSWER - 40%
what is ideal wheel slip - CORRECT ANSWER - 12%