A. Radial system
B. Ring system
C. Inter-connected system
D. None of the above
Related Mcqs:
- Which of the following bus-bar schemes has the lowest cost?
A. Ring bus-bar scheme
B. Single bus-bar scheme
C. Breaker and a half scheme
D. Main and transfer scheme - If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as___________________?
A. Kelvin’s law
B. Ohm’s law
C. Kirchhoffs law
D. Faraday’s law
E. none of the above - Which of the following distribution systems is more reliable?
A. Radial system
B. Tree system
C. Ring main system
D. All are equally reliable - Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?
A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer - Which of the following materials is not used for transmission and distribution of electrical power________________?
A. Copper
B. Aluminium
C. Steel
D. Tungsten - _______________are the conductors, which connect the consumer’s terminals to the distribution?
A. Distributors
B. Service mains
C. Feeders
D. None of the above - Which of the following relays is used on long transmission lines?
A. Impedance relay
B. Mho’s relay
C. Reactance relay
D. None of the above - By which of the following methods string efficiency can be improved?
A. Using a guard ring
B. Grading the insulator
C. Using long cross arm
D. Any of the above
E. None of the above - 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 - The following system is not generally used?
A. 1-phase 3 wire
B. 1-phase 4 wire
C. 3-phase 3 wire
D. 3-phase 4 wire
