Power Engineering 4a - Unit 8 – Electro technology Questions and Answers Graded A+

Power Engineering 4a - Unit 8 – Electro technology Questions and Answers Graded A+ When using Fleming's Left Hand Rule, the index finger represents A) generator action flux direction. B) motor action motion direction. C) generator conductor motion direction. D) motor action flux direction. E) motor action direction of current flow. D A basic law of electricity is, unlike charges attract each other and like charges A) impact each other. B) hold each other. C) attract each other. D) are neutralized. E) repel each other. E Some of the hazards of electrical transformer cooling oil can be compensated for by adding A) chelates. B) anti-foaming substances. C) chlorinated hydrocarbons. D) Freon. E) organic compounds. C Synchronous motors are used to A) improve electrical system power factor. B) bring up alternators to synchronous speed. C) reduce the power factor for a power system. D) eliminate the need for a DC power source. E) drive a steam turbine. A A kilowatt-hour meter has a small motor which A) turns at a constant speed. B) slows down as power consumption increases. C) has a speed proportional to power consumption. D) moves the meter demand pointer. E) indicates the multiplier to be used when reading the meter. C The best type of diagram for showing electrical supply and distribution systems is the A) process diagram. B) single line diagram (one line). C) elementary diagram. D) piping diagram. E) terminal and connection diagram. B In a 120/240 V one phase, three wire circuit, the color of the circuit conductor that is grounded is A) red. B) white. C) black. D) blue. E) green. B When disconnecting an alternator from the system, the first step should be A) Open the circuit breaker first and then reduce