Shock absorbers, despite their name, actually dampen spring movement instead of absorbing shock.
a. true
b. false
a. true
Trades & Technology
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____ use steel columns and openweb joists and girders to form a roof.
A. Rigid frame buildings B. Truss-type buildings C. Post-and-beam framed buildings D. Sloped roof buildings
Trades & Technology
Which of the following statements about ammonia is true?
a. Ammonia is slightly less efficient in heat transfer as halocarbon refrigerants. b. Ammonia costs more than other common refrigerants. c. Ammonia is poisonous and must be handled with extreme care. d. Ammonia piping cannot be constructed from copper
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The process to prepare seedlings for transplanting is called _____
A) capillary action B) germination C) hardening-off D) indirect seeding
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The steam generating drum level is controlled at:
a. 50% b. 35% c. 75% d. 15%
Trades & Technology