Testing And Commissioning Of Electrical Equipment’S Set 1

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This set of Testing and Commissioning of Electrical Equipment’s Multiple Choice Questions & Answers (MCQs) focuses on Testing And Commissioning Of Electrical Equipment’S Set 1

Q1 | The main function of a fuse is to
Q2 | On which of the following routine tests are conducted ?
Q3 | SF6 gas
Q4 | The arcing contacts in a circuit breaker are made of
Q5 | Which of the following medium is employed for extinction of arc in air circuitbreaker ?
Q6 | With which of the following, a circuit breaker must be equipped for remote operation ?
Q7 | Fault diverters are basically
Q8 | A thermal protection switch can protect against
Q9 | Arc in a circuit behaves as
Q10 | Thermal circuit breaker has
Q11 | Thermal overload relays are used to protect the motor against over current due to
Q12 | Magnetic circuit breaker has ______ trip action.
Q13 | D.C. shunt relays are made of
Q14 | The relay operating speed depends upon
Q15 | In order that current should flow without causing excessive heating or voltage drop,the relay contacts should
Q16 | Circuit breakers usually operate under
Q17 | Circuit breakers are essentially
Q18 | The current zero interruption, in oil and air blast circuitbreakers, is achieved by
Q19 | Air blast circuit breaker is used for
Q20 | An efficient and a well designed protective relaying should have
Q21 | Burden of a protective relay is the power
Q22 | Directional relays are based on flow of
Q23 | A differential relay measures the vector differencebetween
Q24 | A transmission line is protected by
Q25 | Large internal faults are protected by