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1: Know and Understand
Explain the difference between agriculture and agricultural mechanics.
Agriscience is the _____.
A. field of science involved with improving agriculture
B. process of marketing agriculture
C. sale of agricultural products
D. design, construction, maintenance, repair, management, and use of agricultural technology and mechanical systems
True or False?
Over the last 200 years, farm sizes have increased, but the number of farms has decreased.
A. True
B. False
True or False?
Mechanization and technology advancements have resulted in decreased food production.
A. True
B. False
What is the law of conservation of energy, and what is the application of this principle to agricultural mechanics?
A tractor pulls a 650-lb skid a distance of 50′ in 40 seconds. How much horsepower was expended? Round your answer to the nearest hundredth.
If a force of 200.0 lb moves an object 12.0′, how much work has been performed?
A. 1200 ft lb.
B. 2400 ft lb.
C. 3200 ft lb.
D. None of the above.
Who is credited with the invention of the steel plow?
A. John Deere.
B. Cyrus McCormick.
C. James Watt.
D. None of the above.
True or False?
Agricultural technology will need to continue to advance to meet the demands to feed a growing world population.
A. True
B. False
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