When a cutting job is completed and the oxyfuel equipment is no longer needed, the first step in shutting down the oxyfuel cutting equipment is to _____.
a. close the fuel gas cylinder valve
b. back out the fuel gas and oxygen regulator adjusting screws
c. open the fuel gas torch valve
d. open the oxygen torch valve
a. close the fuel gas cylinder valve
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The first important chinchilla mutant variety was a white male born in 1955, but it was not a true albino because it had _____ eyes
A) blue B) red C) black D) brown
Slip-fit bearings are often installed _____
a. with a hydraulic press b. with an arbor press c. by hand d. using heat and pressure
In Excel, a formula always begins with
a. an equal sign (=). b. an apostrophe (‘). c. a plus sign (+). d. an asterisk (*).
When the SCR is used for voltage control, a ____ is connected in series with the load resistor.
a. gate inverter b. bridge inverter c. gate rectifier d. bridge rectifier