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Q15. All
of the following are advantages of busbar, EXCEPT:
A.
Compact design
B.
Quick and easy installation
C.
Modular design
Q16. Which
of the following laws/rules can be used to determine the direction of rotation
of D.C. motor?
A.
Lenz's Law
B.
Faraday's Law
C.
Coulomb’s Law
D.
Fleming's Left-hand Rule
Q17. Which
of the following device is used to remove noise from the microphone?
A.
Defibrillator
B.
Amplifier
C.
Diffuser
D.
Flange
Q18. The
Public Switched Telephone Network (PSTN) consists of all of the following,
EXCEPT:
A.
Telephone Lines
B.
Microwave Transmission Links
C.
Fiber Optic Cables
D.
Distributed Control System
Q19. An
electric distribution panel can have all of the following, EXCEPT:
A.
Circuit Breaker
B.
DIN Rail
C.
Busbar
D.
Connection Relay
Q20. Which
of the following conditions is common in series and parallel DC circuits?
A.
Elements have individual currents
B.
Currents are additive
C.
Voltages are additive
D.
Power is additive
Q21. A
transformer changes all of the following, EXCEPT:
A.
Voltage
B.
Current
C.
Power