When setting up an oxy-acetylene torch for a cutting operation, which of the following should be performed FIRST?
A. Ignite the acetylene
B. Ignite the oxygen
C. Regulate working pressure of gases
D. Trim to a neutral flame
Answer: C
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What are the benefits of motor control centers?
A. They protect against short circuits and other electrical faults. B. They provide electrical isolation for motors for personnel protection during maintenance. C. They provide interlocks that prevent the motor from running in configurations that would damage it. D. All of the above
____________________ hybrids are the most common choice for warm season region greens
Fill in the blank(s) with correct word
What is needed to check for blow-by on a semi-hermetic compressor?
a. A set of gauges to check the difference between suction and discharge pressure. b. Compare the oil pump discharge pressure to the suction pressure. c. An access fitting on the crankcase to compare its pressure to the suction pressure.
The ____ option of the find command displays files that have been changed within the last n minutes.
A. -min n B. -cmin n C. -nmin n D. -mmin n