21-03-2017, 02:04 PM
Will u please provide the back side objective bits with answers in cl wadhwa to my mail id:harithasibbala[at]gmail.com and u would made more helpful to me
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objective questions on power system by cl wadhwa
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Will u please provide the back side objective bits with answers in cl wadhwa to my mail id:harithasibbala[at]gmail.com and u would made more helpful to me
30-03-2017, 11:35 AM
Q.1 The feeder is mainly designed from the point of view of -
A. Your Current Load Capacity
B. Voltage drop in the same
C. Operating voltage
D. Frequency of operation
Q.2 Distributors are designed from the point of view of -
A. Your Current Load Capacity
B. Operating voltage
C. Drop in voltage therein
D. Frequency of operation
Q.3 The transmission and distribution of electric power by underground system is superior to the head system with respect to -
A. Appearance and public safety
B. Cost of maintenance
C. Frequency of failures, power failures and accidents
All previous
P.4 The main drawback of the underground system over the roof system is /
A. Exposure to lighting
B. High initial cost
C. Exposure to atmospheric hazards such as smoke, ice, wind, etc.
D. Inductive interference between power and switching circuit
Q.5 The main drawback of the ovehead system over the sub-
A. The underground system is more flexible than the aerial system
B. Higher load current
C. Overload problem
D. High initial cost
Q.6 By increasing the transmission voltage to double its original value, you can send the same power while maintaining the loss of line-
A. Same as original value
B. Half the original value
C. Double the original value
D. One fourth of the original value
Q.7 For the same voltage drop, the voltage increase of a distributor n time-
A. Reduce section x of the conductor by n times
B. Increases the x section of the conductor by n times
C. Reduce section x of the conductor by n ^ 2 times
D. Increase the section x of the conductor by n ^ 2 times
Q.8 The volume of copper required for an AC transmission line is inversely proportional to-
A current
B. Voltage
C. Power Factor
D. Both b and c
Q.9 Improve the power factor-
A. Reduce current for a given output
B. Increases losses online
C. Increases the cost of station equipment
D. None
Q.10 For the same conductor length, the same amount of energy, the same lnsse sand equals the maximum voltage to ground, which system requires the minimum conductor area-
A. Single-phase accumulator
B. Ac 3 phases
C. 2-wire steel
D. 3 ac cables
P. 11 The transmission line connects-
A. Generating station to a switching station
B. Transformer-to-service station for service transformers banks
C. Transformer distribution to local consumption
D. Service points for consumer permits
Q.12 A 4-phase 4-phase system is commonly used to-
A. Primary distribution
B. Secondary distribution
C. Primary transmission
D. Secondary transmission
P.13 The nominal voltage of a three-phase power system is given as
A. rms phase voltage
B. peak phase voltage
C. Peak line to line voltage
D. RMS Line to Line Voltage
Q.14 Which of the following is not usually the generation of voltage-
A. 6.6 kV
B. 9.9 kV
C. 11kV
D. 13.2kV
Q.15 In a transmission system the feeder supplies power to-
A. Transformer Substations
B. Service network
C. Distributors
D. All
A. Your Current Load Capacity
B. Voltage drop in the same
C. Operating voltage
D. Frequency of operation
Q.2 Distributors are designed from the point of view of -
A. Your Current Load Capacity
B. Operating voltage
C. Drop in voltage therein
D. Frequency of operation
Q.3 The transmission and distribution of electric power by underground system is superior to the head system with respect to -
A. Appearance and public safety
B. Cost of maintenance
C. Frequency of failures, power failures and accidents
All previous
P.4 The main drawback of the underground system over the roof system is /
A. Exposure to lighting
B. High initial cost
C. Exposure to atmospheric hazards such as smoke, ice, wind, etc.
D. Inductive interference between power and switching circuit
Q.5 The main drawback of the ovehead system over the sub-
A. The underground system is more flexible than the aerial system
B. Higher load current
C. Overload problem
D. High initial cost
Q.6 By increasing the transmission voltage to double its original value, you can send the same power while maintaining the loss of line-
A. Same as original value
B. Half the original value
C. Double the original value
D. One fourth of the original value
Q.7 For the same voltage drop, the voltage increase of a distributor n time-
A. Reduce section x of the conductor by n times
B. Increases the x section of the conductor by n times
C. Reduce section x of the conductor by n ^ 2 times
D. Increase the section x of the conductor by n ^ 2 times
Q.8 The volume of copper required for an AC transmission line is inversely proportional to-
A current
B. Voltage
C. Power Factor
D. Both b and c
Q.9 Improve the power factor-
A. Reduce current for a given output
B. Increases losses online
C. Increases the cost of station equipment
D. None
Q.10 For the same conductor length, the same amount of energy, the same lnsse sand equals the maximum voltage to ground, which system requires the minimum conductor area-
A. Single-phase accumulator
B. Ac 3 phases
C. 2-wire steel
D. 3 ac cables
P. 11 The transmission line connects-
A. Generating station to a switching station
B. Transformer-to-service station for service transformers banks
C. Transformer distribution to local consumption
D. Service points for consumer permits
Q.12 A 4-phase 4-phase system is commonly used to-
A. Primary distribution
B. Secondary distribution
C. Primary transmission
D. Secondary transmission
P.13 The nominal voltage of a three-phase power system is given as
A. rms phase voltage
B. peak phase voltage
C. Peak line to line voltage
D. RMS Line to Line Voltage
Q.14 Which of the following is not usually the generation of voltage-
A. 6.6 kV
B. 9.9 kV
C. 11kV
D. 13.2kV
Q.15 In a transmission system the feeder supplies power to-
A. Transformer Substations
B. Service network
C. Distributors
D. All
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