The two major kinds of cams used in industry are radial arm and parallel.
Answer the following statement true (T) or false (F)
False
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Answer the following statement(s) true (T) or false (F)
1. Packaged variable speed drives generally operate on AC. 2. The AC service in industrial plants can not be converted to direct current for use with DC variable-speed controls. 3. The field of the DC generator can be reversed manually or automatically with a resulting reversal of the motor rotation. 4. A controlling tachometer feedback signal may be driven by the DC motor driveshaft. 5. The generator field resistance can be changed manually or automatically by latching relays.
All fuel oil piping should slope back to the tanks at least _____ inch per foot.
a. 1/16 b. 1/8 c. 1/4 d. 1/2
This screw is designed for use in situations where the mating thread is created by the fastener.
a. cap screws b. machine screws c. set screws d. self-tapping screws
4,615 + 823 =
A) 5,438 B) 5,448 C) 4,438 D) 5,338