GETCO Exam Paper (22-07-2015)
Which of the following is not true about fuel cells?

more efficient
cost is higher than batteries
no recharging is needed
need more than two electrode

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GETCO Exam Paper (22-07-2015)
Hopkinson's test is the test to be carried out on

two identical induction motors
induction motor with any DC motor
induction motor with synchronous motor
two identical DC motors

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