Which of the following is the demerit of a 'constant voltage transmission system' ?

A Increase of short-circuit current of the system
B Availability of steady voltage at all loads at the line terminals
C Possibility of better protection for the line due to possible use of higher terminal reactants
D Improvement of power factor at times of moderate and heavy loads
E Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Correct Answer: Increase of short-circuit current of the system

Bissoy MCQ
#Electrical Engineering #Transmission And Distribution

Related Questions

Which of the following is the demerit of a 'constant voltage transmission system'?
A Increase of short-circuit current of the system
B Availability of steady voltage at all loads at the line terminals
C Possibility of better protection for the line due to possible use of higher terminal reactants
D Improvement of power factor at times of moderate and heavy loads
The voltage drop, for constant voltage transmission is compensated by installing
A Inductors
B Capacitors
C Synchronous motors
D All of above
কোনো খেলার সরাসরি সম্প্রচারের ডেটা ট্রান্সমিট হবার প্রক্রিয়া- (i) Broadcast Transmission (ii) Duplex Transmission (iii) Simplex Mode Transmission নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i ii ও iii
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of
A reducing time of charging
B increasing cell capacity
C both (A) and (B)
D avoiding excessive gassing
Constant voltage transmission entails the following disadvantage
A Large conductor area is required for same power transmission
B Short-circuit current of the system is increased
C Either of the above
D None of the above
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
The major purpose of an electronically controlled automatic transmission is that this type of transmission
A Eliminates gear clutches
B Eliminates the gear shaft lever
C Reduces the number of automatic transmission components
D Reduces shift shock and achieves more efficient transmission of engine torque
In radio transmission, the medium of transmission is ___________
A Space
B An antenna
C Cable
D None of the above
Ungrounded neutral transmission system is not recommended because of system
A insulation being overstressed due to over voltages
B insulation overstress may lead to failure and subsequent phase to phase faults
C being inadequately protected against ground fault
D all of the above
Which of the following devices will receive voltage surge first travelling on the transmission line ?
A Lightning arresters
B Relays
C Step-down transformer
D Switchgear

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