The ____ lock washer is a dished washer made from spring steel.
a. plain flat
b. tongued lock
c. split-ring
d. cone-type
d. cone-type
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In 1930, _____ were very rare, but now there are than 2 million in North America
a. white-tailed deer b. wood duck c. bighorn sheep d. wild turkey
-9.9 - (-15.8 ) =
A) -5.9 B) 5.9 C) 25.7 D) -25.7
Assuming they both have the same condenser temperature, which application requires more horsepower to produce a ton of cooling: a 0°F evaporator or a 40°F evaporator?
A) The horsepower requirement per ton of cooling is not affected by the evaporator temperature. B) The 0°F evaporator because of the higher pressure difference C) The horsepower requirement is too complicated a calculation to make any valid comparison based only on evaporator and condenser temperatures. D) The 40°F evaporator because of its higher pressure
Which type of multivibrator does not require an input trigger?
A) monostable B) bistable C) one-shot D) astable