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

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

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

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

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