________ trunks are used to connect two long distance switches (one-way or two-way) incoming or outgoing
Fill in the blank(s) with correct word
Intermachine
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Technician A says that after refinishing a 450 valve seat, a 300 angle should be used to position the valve seat on the valve face. Technician B says that before a valve guide is repaired, the valve seat should always be ground. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Express 522 as a hexadecimal number.
A. 20A16 B. 17E16 C. 8E16 D. 59F16
Which of the following is a similarity between FCAW and GMAW?
A. Both use CC welding power supplies. B. Both use CP welding power supplies. C. Both use the same welding power supply as stick welding. D. Both must use constant welding current power supplies.
Never try to solder or weld a pipe or tubing that is __________.
Fill in the blank(s) with the appropriate word(s).