Slide valves allow screw compressors to vary capacity from full capacity (100 percent) to as low as _____.
a. 10 percent capacity
b. 25 percent capacity
c. 50 percent capacity
d. 75 percent capacity
a. 10 percent capacity
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Which type of braking system relies on brake shoes and pads?
a. Static braking b. Dynamic braking (DC electric braking) c. Dynamic braking (AC drives) d. Friction braking
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____ may be defined as resistance to penetration.
A. Hardness B. Brittleness C. Toughness D. Strength
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A higher SEER means ____.
A. lower efficiency and higher energy bills B. better efficiency and higher energy bills C. lower efficiency and lower energy bills D. better efficiency and lower energy bills
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Identify the two ways stairs are represented on drawings.
What will be an ideal response?
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