A. Resistance is Very high
B. Resistance is very Low
C. Resistance is infinite
D. None Of above
Ans: A . Resistance is very high
Explanation :
Tungsten is having very high resistance so if Resistance is very high losses are also very high. so tungsten not used in Transmission Distribution purpose.
Tungsten mostly used in Filaments of electrical lighting bulbs and also making Heater circuits.
More MCQs on Transmission & Distribution
1. In which effect sending end voltage become more than receiving end voltage ?
A. Skin effect
B. Temperature effect
C. Corona effect
D. Ferranti effect
Ans: D. Ferranti effect
Explanation :
In Ferranti effect sending end voltage become more than receiving end voltage.
The Ferranti effect mostly occurred in Medium and long transmission lines .Ferranti effect occurred more in case of line having more voltage class and line having long distance.
Underground cable having more capacitance. due to more capacitance ferranti effect is more in case of under ground cable.
2. A booster Inserted into circuit to ..
A. Increase AC voltage level
B. Increase DC voltage level
C. Increase Resistance level
D. None of above
Ans : B. Increase DC voltage level
Explanation :
A booster Inserted into circuit to increase DC voltage level so that Excessive voltage drop in feeder can be compensated.
A booster is one type of generator and its series wounded type.
3. A radial system is an Transmission system which supplies power from
A. Main generating station to the various substation
B. Substation to Generating station
C. Substation to feeders
D. None of above
Ans: A. Main generating station to the various substation,
Explanation :
A radial system is an transmission system which supplies power from main generating station to the various substation.
Initial cost of radial system is very low