the electric power grid is the connection of () and the transmission lines. A: Transformer B: Generators C: Customer devices
the electric power grid is the connection of () and the transmission lines. A: Transformer B: Generators C: Customer devices
The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears， propeller shafts， and generators by the （）.
The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears， propeller shafts， and generators by the （）.
The operating diesel generators will have their exhaust temperatures， cooling water and lubricating oil temperatures and pressures （） in much the same way as for the main engine.
The operating diesel generators will have their exhaust temperatures， cooling water and lubricating oil temperatures and pressures （） in much the same way as for the main engine.
When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors， and are operating within their designed range， the unit with the least amount of speed droop will （）.
When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors， and are operating within their designed range， the unit with the least amount of speed droop will （）.
When large decrease in turbine load the steam from the steam generators is sent to the A: steam condenser B: atmosphere C: steam dump system D: heat exchanger
When large decrease in turbine load the steam from the steam generators is sent to the A: steam condenser B: atmosphere C: steam dump system D: heat exchanger
Manufacturers of hydrogen generators have developed methods to use lower amounts of electricity to split water into hydrogen. Different electrolytes or catalysts are used in _______ the bonds between hydrogen and oxygen atoms that make up water.
Manufacturers of hydrogen generators have developed methods to use lower amounts of electricity to split water into hydrogen. Different electrolytes or catalysts are used in _______ the bonds between hydrogen and oxygen atoms that make up water.
In the Fukushima nuclear accident, what was the main reason for the power outage of the whole plant () A: Not enough emergency generators B: Off-site electricity support is not timely enough C: The distribution system is flooded D: The tornado cut the wires
In the Fukushima nuclear accident, what was the main reason for the power outage of the whole plant () A: Not enough emergency generators B: Off-site electricity support is not timely enough C: The distribution system is flooded D: The tornado cut the wires
What does the cancellation of the 16-day flight mean A: The scientists on the ground are pursuing only their most important experiments. B: The shuttle team will be disappointed at the curtailment of the science mission. C: The science will complete the experiments on a later shuttle flight. D: The remaining generators are sufficient.
What does the cancellation of the 16-day flight mean A: The scientists on the ground are pursuing only their most important experiments. B: The shuttle team will be disappointed at the curtailment of the science mission. C: The science will complete the experiments on a later shuttle flight. D: The remaining generators are sufficient.
The most environmentally sustainable method to ensure sufficient energy for future generations is to A: build more nuclear reactors. B: increase the amount of electricity generators using natural gas. C: find more fossil fuels. D: reduce waste and inefficiency in electricity use and transimssion. E: develop more effective solar power generators.
The most environmentally sustainable method to ensure sufficient energy for future generations is to A: build more nuclear reactors. B: increase the amount of electricity generators using natural gas. C: find more fossil fuels. D: reduce waste and inefficiency in electricity use and transimssion. E: develop more effective solar power generators.
Permanent magnetism is caused by（）. A: operation of electrical equipment and generators on board ship B: the earth's magnetic field affecting the ship's hard iron during construction C: the horizontal component of the earth's magnetic field acting on the horizontal soft iron D: the vertical component of the earth's magnetic field acting on the vertical soft iro
Permanent magnetism is caused by（）. A: operation of electrical equipment and generators on board ship B: the earth's magnetic field affecting the ship's hard iron during construction C: the horizontal component of the earth's magnetic field acting on the horizontal soft iron D: the vertical component of the earth's magnetic field acting on the vertical soft iro