MCQs of Transmission Line Design (Power System Planning and Design - 2180903)

Power System Planning and Design (2180903) MCQs

MCQs of Transmission Line Design

Showing 1 to 10 out of 85 Questions

Electric power is transmitted from one location to another location by

(a)	Overhead line
(b)	Under ground cable
(c)	Both (a) and (b)
(d)	None of above

Which method of power transmission has more initial cost?

(a)	Through overhead line
(b)	Through under ground cable
(c)	Both have same initial cost
(d)	None of above

Cable that connects the distributor to the consumer terminals is called

(a)	Feeder
(b)	Distributor
(c)	Service Mains
(d)	None of above

Which material is not used for the transmission and distribution of electrical power?

(a)	Aluminum
(b)	Copper
(c)	Steel
(d)	Tungsten

Usual spans between RCC poles are

(a)	40 - 50 m
(b)	60 - 100 m
(c)	80 - 150 m
(d)	200 - 300 m

Transmission lines above what length is termed as the long lines?

(a)	>100 km
(b)	>150 km
(c)	>200 km
(d)	<100 km

Under no load condition for long transmission line

(a)	Receiving end voltage < Sending end voltage
(b)	Sending end voltage < Receiving end voltage
(c)	Receiving end voltage = Sending end voltage
(d)	None of above

ABCD parameter of a 3 phase transmission line is
A = D = 0.8∠1°, B = 170∠85° Ω and C = 0.002∠90.4° ℧
Sending end voltage is 400 kV
What is the receiving end voltage under no load condition?

(a)	320 kV
(b)	400 kV
(c)	440 kV
(d)	500 kV

Value of A parameter of a transmission line

(a)	Increases with increase in length of line
(b)	Decreases with increase in line length
(c)	Independent of line length
(d)	None of above

10.

Transmission efficiency of a transmission line increases with the

(a)	Decrease in power factor and voltage
(b)	Increase in power factor and voltage
(c)	Increase in power factor but decrease in voltage
(d)	Increase in voltage and decrease in power factor

Showing 1 to 10 out of 85 Questions