Which motor should be used for applications that require frequent starts without overheating the motor?
a. AC motor
b. Shunt motor
c. Squirrel cage induction motor
d. Wound rotor induction motor
d. Wound rotor induction motor
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The surface area of a PV panel? 4 ft. by 2
ft. is 9 sq. ft.
Answer the following statement true (T) or false (F)
The national railroad strike of 1877 started when
A. President Hayes refused to use troops to keep the trains running. B. the four largest railroads cut salaries by 10 percent. C. working hours were cut back by the railroad companies. D. the railroad workers refused to cross the picket lines of cargo loaders. E. the railroads tried to hire Chinese workers.
The specs for the Lake House indicate that the ____ shall maintain all temporary toilet facilities in a sanitary condition.
A. contractor B. subcontractor C. architect D. engineer
A portable brake is used _____
a. as part of a fall protection system b. for trimming slate and tile c. to bend flashing materials d. for controlling a material-handling hoist