____ transmit energy by a turning or twisting action.

A. Helix springs
B. Torsion springs
C. Flat springs
D. Compression springs
E. none of the above


Answer: B

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A KD unit is a metal door frame that is _____.

a. unassembled b. fully assembled c. kiln-dried d. properly welded

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What problems can occur from using pine sawdust in a greenhouse root substrate?

What will be an ideal response?

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Two technicians are discussing temperature and heat. Technician A says that temperature is the intensity of the heat source. Technician B says that heat is the amount of heat. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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Horsepower is expressed in units of ________

A) Pound-feet per second B) Pound-feet C) Foot-pounds D) Foot-pounds per minute

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