Which of the following is a colorless, radioactive gas formed by the decay of radium?
a. radon c. nitrous oxide
b. carbon monoxide d. ozone
A
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Another name for a VOM is a(n) _____
A) multimeter B) voltmeter C) ammeter D) current meter
MERV filter rating system:
A) Compares the airflow resistance of different filters when they are new. B) Compares the overall arrestance value of all sizes of particles. C) Compares the arrestance value of 12 different ranges of particle size. D) Compares the airflow resistance of different filters when fully loaded.
A circular saw blade designed for cutting plywood should have _____ teeth
a) large, scissor-like b) large, widely spaced c) small, scissor-like d) small, widely spaced
What does a crankcase pressure regulator do?
A) It maintains a positive crankcase pressure by bypassing small quantities of discharge gas into the crankcase. B) It maintains the oil pressure in the compressor crankcase. C) It will not allow the compressor suction pressure to drop below the CPR setpoint. D) It will not allow the compressor suction pressure to rise above the CPR setpoint.