ELECTRICAL ENGINEERING QUESTIONS FROM 3516 -3520

3516. The household energy meter is
(a) an integrating instrument
(b) a recording instrument
(c) an indicating instrument
(d) none of the above

Answer: (a) an integrating instrument

3517. Which of the following devices is used for conversion of co-ordinates ?
(a) Microsyn
(b) Synchro-resolver
(c) Selsyn
(d) Synchro-transformer

Answer: (b) Synchro-resolver

3518. Induction type single phase energy meters measure electric energy in
(a) kW
(b) Wh
(c) VAR
(d) kWh

(e) None of the above

Answer: (d) kWh

3519. Addition of zeros in transfer function causes which of the following ?
(a) Lag-compensation
(b) Lead-compensation
(c) Lead-lag compensation
(d) None of the above

Answer: (a) Lag-compensation

3520. According to application, instruments are classified as
(a) switch board
(b) portable
(c) both (a) and (b)
(d) moving coil
(e) moving iron
(f) both (d) and (e)

Answer: (c) both (a) and (b)