One of the advanced features associated with the GTAW process is the high-frequency intensity controls that
provide better _____.
a. arc starting
b. arc ending
c. craters
d. welds
a
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The fillet weld symbol is always drawn so that the ____________________ leg is to the reader's left.
Fill in the blank(s) with the appropriate word(s).
What is the BCD form of 438 in odd parity?
A) 1000001101000 B) 0100001110001 C) 1010000111000 D) 0100000110100
Commercial refrigeration systems normally have:
A) Most commercial refrigeration systems do not have refrigeration service valves. B) A suction service valve, a discharge service valve, and a king valve. C) A suction service valve and a discharge service valve. D) A liquid line valve and a suction service valve.
When ductwork fittings are fafricated, there is more waste with fittings than straignt duct.
Answer the following statement true (T) or false (F)