High quality welds can be made rapidly with excellent uniformity on a wide variety of metals and thicknesses when using the ____ welding process.
A. soldering
B. shielded metal arc
C. gas tungsten arc
D. stick electrode
E. both b and d
Answer: E
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Which of the following is a benefit of gas turbines?
A. They are smaller and more compact than electric motors. B. They can be used as a backup electrical generating source. C. They require a boiler and all its auxiliaries to produce steam. D. It is harder to vary the speed and energy output.
Cranking vacuum should be ________
A) 17 to 21 inches Hg B) 6 to 16 inches Hg C) Over 25 inches Hg D) 2.5 inches Hg or higher
If two RAM chips act like a single chip, we refer to this combination as a memory ________
Fill in the blank(s) with correct word
Technician A says that because highway truck PTO driveshafts are commonly driven at speeds lower than 1200 rpm, solid steel stock shafts can be used. Technician B says that because PTO driveshafts are used intermittently and at lower speeds, precision balancing is not usually required. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B