Junior Engg.

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Q1:- The permissible voltage drop from supply terminal to any point on the wiring system should not exceed?

1. 1% + 1 volt
2. 4% + 1 volt
3. 2% + 1 volt 
4. 3% + 1 volt

ANSWER:- 3

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Q2:- If an RLC series circuit the frequency is below the reasonant frequency then 

1. none of the options
2. Xc < XL
3. Xc > XL
4. Xc = XL

ANSWER:- 4

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Q3:- If the power factor is high then the consumer maximum KVA demand

1. remains constant
2. deceases 
3. increases 
4. becomes zero 

ANSWER:- 2

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Q4:- If the co- efficient of coupling between two coils is increased mutual inductance between the coils

1. it gives regulation value higher than its actual found by direct loading
2. armature reaction is wholly magnetising 
3. it is simplest to perform and compute
4. it gives regulation value lower than its actual found by direct loading 

ANSWER:- 1

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Q5:- Electrical resistivity of ROW is 

1. low for copper and high for alloy 
2. high for copper as well as for alloy
3. low for copper as well as for alloy 
4. high for copper and low for alloy

ANSWER:- 1

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