Most heavy-duty plasma arc cutting systems require one gas cylinder containing the cutting gas and another
containing _____.
a. shielding or cooling gas
b. water vapor
c. acetylene
d. a mixture of cutting gas and shielding gas
a
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The mechanical drawing sheet identified by the letter ____ is 34" by 44".
A. A B. B C. D D. E
What fuel system component is used in a vehicle equipped with a diesel engine that is seldom used on the same vehicle when it is equipped with a gasoline engine?
A) Fuel supply line B) Water-fuel separator C) Fuel return line D) Fuel filter
To lower and narrow a valve seat that has been cut at a 45-degree angle, use a cutter or stone of what angle?
A) 45 degrees B) 15 degrees C) 60 degrees D) 30 degrees
?Air-to-water heat pumps always have an external circulator to support flow through the heat pump.
Answer the following statement true (T) or false (F)