Electrical Engineering MCQ on Electric Power Transmission and Distribution.
Electrical power transmission and distribution or PT&D refers to the process of carrying electricity from the generation stations and distributing it to consumers.
Which one of the following is not an advantage of High voltage AC Power transmission
Which one of the following is not an advantage of High voltage AC Power transmission:
- Decreases line drop
- Increases transmission efficiency
- Decreased corona
- Reduces conductor volume
Correct answer: 3. Decreases corona
Transmission line conductors are usually made from
Transmission line conductors are usually made from:
- Silver
- Copper
- ACSR
- Aluminum
Correct answer: 3. ACSR
Overhead transmission lines can be designed for
Overhead transmission lines can be designed for:
- 11 kV
- 220 kV
- 400 kV
- All of these
Correct answer: 4. All of these
Counterpoise is buried under transmission lines when
Counterpoise is buried under transmission lines when:
- Soil resistance is low
- Soild resistance is high
- Ground is high above sea level
- In Hilly areas
Correct answer: 2. Soild resistance is high
Practical transmission lines have
Practical transmission lines have:
- High sag and High tension
- High sag and Low tension
- Low sag and low tension
- A compromise between sag and tension
Correct answer: 4. A compromise between sag and tension
Power Transmission and Distribution MCQ Parts:
- Electric Power Transmission and Distribution MCQ Part 1
- Electric Power Transmission and Distribution MCQ Part 2
- Electric Power Transmission and Distribution MCQ Part 3
- Electric Power Transmission and Distribution MCQ Part 4
- Electric Power Transmission and Distribution MCQ Part 5
- Electric Power Transmission and Distribution MCQ Part 6
- Electric Power Transmission and Distribution MCQ Part 7
- Electric Power Transmission and Distribution MCQ Part 8
- Electric Power Transmission and Distribution MCQ Part 9
- Electric Power Transmission and Distribution MCQ Part 10
More MCQ on Power Transmission and Distribution
- 3-phase 4 wire system is employed for
- 72/7 ACSR means
- A 100% string efficiency indicates
- A transmission line spanning 240 km is classified as
- A 20 km long transmission line is classified as
- ACSR conductors have strands made of (inner/outer)
- An insulator breakdown by puncture
- Compared to HVAC transmission, the HVDC transmission is less expensive by which percentage
- Conductors are suspended from towers so as to
- Corona effect involves
- Currently the highest AC transmission voltage level which is in practice in the majority of the world is
- Decrease in sag of transmission lines impacts tension in which manner
- Effects of capacitance are neglected in
- Feeder is responsible for supplying power to
- Ferranti effect is referred to
- Ground wire in transmission lines is manufactured from which material
- Guy wire is used for
- HVDC power model can be summarized as
- If the conductor diameter decreases, the inductance of the line
- If the supply frequency increases, the skin effect will increase or Decrease
- In the stormy weather corona occurs at
- Increase in sag of transmission lines impacts tension as
- Increasing conductor spacing will impact corona as
- Low power factors in transmission lines
- Main drawback of underground power transmission and distribution over the Overhead system is
- Major advantage of underground power transmission and distribution over the Overhead system is
- Major factor of consideration while designing a distributor is
- Modeling of long transmission lines is done through
- Power factor of HVDC transmission lines is
- Rated voltage of 3 phase power system is in
- Sag of transmission lines in summer is
- Sag of transmission lines in winter is
- Sag of transmission lines is least affected by
- Sag in transmission lines depends on which factor
- Secondary distribution of AC is done by
- Series capacitors on transmission lines are little to none handy when
- Stringing chart is plotted between
- Stranded conductor has corona as compared to solid conductor [More/Less/Same]
- The 2nd layer of stranded conductor has total number of individual wires
- The correct statement about copper
- The longer the cross arm the efficiency
- The main consideration factor while designing a feeder is
- The surge impedance of the transmission line is mathematically expressed by formula
- The total number of individual wires in 1st layer of stranded conductor is
- Total number of individual wires in the 3rd layer of stranded conductor contains
- Transmission lines connect
- Volume of required conductor material and power factor are related as
- Volume of required conductor material required is
- Which one of the following is incorrect about DC transmission
- Which of the following transmission/distribution lines has a higher installation cost
- The transmission voltage which is not common in US grid
- Double Transmission line configuration for Corona
- The length of transmission line which will be more impacted by the Ferranti effect is
- The most commonly used material for insulators in transmission lines
- The String Efficiency of DC Systems is
- Surge Impedance Loading of Transmission Line is measured in
- Aluminum has what percent of the conductivity compared to copper
- Which one of the following is not a transmission voltage in the US
- The term Booster in Transmission lines refers to
- Booster Transformer Connection