The number of cubic feet in one cubic yard of concrete is _____.
a. 3
b. 6
c. 9
d. 27
Answer: D
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What safety device is used on an acetylene cylinder to reduce its danger in the event of exposure to extreme heat?
A. Rupture disc B. Flashback arrester C. Backfire arrester D. Fusible plugs
A(n) ____ is a device that uses low current to control a high-current circuit.
A. ohmmeter B. relay C. opening switch D. coil
The circuit breaker for the condensing unit is sized:
A) The same wire gauge as the wires inside the unit. B) At 115% of the minimum circuit ampacity shown on the nameplate. C) By the minimum circuit ampacity (MCA) shown on the name plate. D) By the maximum overcurrent protection (MOP) shown on the nameplate.
There is more alcohol in wine or liquor than there is in beer.
Answer the following statement true (T) or false (F)