Question is ⇒ Steepness of the travelling waves is alternated by ____ of the line, Options are ⇒ (A) capacitance, (B) inductance, (C) resistance, (D) all of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Steepness of the travelling waves is alternated by ____ of the line, Options are ⇒ (A) capacitance, (B) inductance, (C) resistance, (D) all of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Steepness of the travelling waves is alternated by ____ of the line
A.	capacitance [Wrong Answer]
B.	inductance [Wrong Answer]
C.	resistance [Correct Answer]
D.	all of the above [Wrong Answer]
View Answer 16 -16 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The limit of distance of transmission line may be increased by the use of
series resistances
shunt capacitors and series reactors
series capacitors and shunt reactors
synchronous condensers

⇒ By which of the following factors is the sag of a transmission line least affected ?
Current through the conductor
Ice deposited on the conductor
Self weight of conductor
Temperature of surrounding air

⇒ Poles which carry transformers are usually
circular
I-type
A-type
H-type

⇒ A synchronous condenser is generally installed at the of the ____ transmission line
receiving end
sending end
middle
none of the above

⇒ The operating voltage of supertension cables is upto
3.3 kV
6.6 kV
11 kV
33 kV

⇒ If the height of transmission tower is increased, which of the following; parameters is likely to change ?
Capacitance
Inductance
Resistance
All of the above

⇒ In a tap changing transformer, the tappings are provided on
primary winding
secondary winding
high voltage winding
any of the above

⇒ Transmission voltage of 11 kV is normally used for distances upto
20-25 km
40-50 km
60-70 km
80-100 km

⇒ Overhead lines generally use
copper conductors
all aluminium conductors
A.C.S.R. conductors
none of these

⇒ In aluminium conductors, steel core is provided to
compensate for skin effect
neutralise proximity effect
reduce line inductance
increase the tensile strength

⇒ Which of the following bar schemes is the most expensive ?
Double bus-bar double breaker
Ring bus-bar scheme
Single bus-bar scheme
Main and transfer scheme

⇒ By which of the following a bus-bar is rated ?
Current only
Current and voltage
Current, voltage and frequency
Current, voltage, frequency and short time current

⇒ There is a greater possibility of occurence of corona during
dry weather
winter
summer heat
humid weather

⇒ Power loss due to corona is not directly proportional to
spacing between conductors
supply voltage frequency
phase-neutral voltage
all of the above

⇒ A.C.S.R. conductor having 7 steel stands surrounded by 25 aluminium conductors will be specified as
25/7
50/15
7/25
15/50

⇒ Skin effect is noticeable only at ____ frequencies
audio
low
high
all

⇒ Which of the following is usually not the generating voltage ?
6.6 kV
8.8 kV
11 kV
13.2 kV

⇒ For an overhead line, the surge impedance is taken as
20-40 ohms
70-80 ohms
100-200 ohms
500-1000 ohms

⇒ The effect of ice on transmission line conductors is to increase the
transmission losses
weight of the conductor
tendency for corona
resistance to flow of current

⇒ When a conductor carries more current on the surface as compared to core, it is due to
permeability variation
corona
skin effect
unsymmetrical fault

⇒ When the load at the receiving end of a long transmission line is removed, the sending end voltage is less than the receiving end voltage. This effect is known as
Ferranti effect
Proximity effect
Kelvin effect
Faraday effect

⇒ Power system stability is least affected by
reactance of generator
input torque
losses
reactance of transmission line

⇒ Due to which of the following reasons aluminium is being favoured as busbar material ?
Low density
Low cost
Ease of fabrication
None of the above

⇒ In the design of a distributor which of the following is the major consideration ?
Voltage drop
Current carrying capacity
Frequency
kVA of system

⇒ In a 70/6 A.C.S.R. conductor there are
35 aluminium conductors and 3 steel conductors
70 aluminium conductors and 6 steel conductors
70 steel conductors and 6 aluminium conductors
none of the above

⇒ As compared to cables, the disadvantage of transmission lines is
inductive interference between power and communication circuits
exposure to lightning
exposure to atmospheric hazards like smoke, ice, etc.
all of the above

⇒ A lightning arrester is usually located nearer to
transformer
isolator
busbar
circuit breaker

⇒ The current drawn by the line due to corona losses is
non-sinusoidal
sinusoidal
triangular
square

⇒ The wooden poles well impregnated with creosite oil or any preservative compound have life
from 2 to 5 years
10 to 15 years
25 to 30 years
60 to 70 years

⇒ Earthing is necessary to give protection against
danger of electric shock
voltage fluctuation
overloading
high temperature of the conductors