Power sources for Class 2 or Class 3 circuits may be derived from ________.
A. A listed or labeled Class 2 or Class 3 power supply or transformer
B. Any inherently limited power supply
C. Any power supply having a maximum output of 100VA
D. Any power supply 150V or less
A. A listed or labeled Class 2 or Class 3 power supply or transformer
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A l000 V, 50 hp compound motor runs at a speed of 750 rpm at full load. The armature, series, and shunt field resistances are 0.5 ?, 1 ?, and 200 ?, respectively. The motor efficiency at this condition is 80%. Calculate the motor’s starting current.
What will be an ideal response?
As a movement, the Enlightenment was formed and supported primarily by whom?
a. monarchs and ruling elites b. nobles and clergymen c. guilds and merchant groups d. individuals from a variety of backgrounds
Two technicians are discussing oil pumps. Technician A says that many oil pumps are driven directly off the front of the crankshaft. Technician B says that some are driven from the distributor if the engine uses a distributor-type ignition system. Which technician is correct?
A) Technician A B) Technician B C) Both technician D) Neither technician
What is the BCD form of 438 in odd parity?
A) 0100001110001 B) 1000001101000 C) 1010000111000 D) 0100000110100