8/11/2019 Question Paper Unit Test 1

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GOVERNMENT COLLEGE OF TECHNOLOGY,CBE-13

Department of Electrical and Electronics Engineering - I Sem Mech-A( 12-09-2014 )

Unit Test 1Time (2:30 p.m. to 4:00 p.m.) 12M104-BASICS OF ELECTRICAL SCIENCESPart A: (5 x 1 = 5 marks)

1. What is the relationship of EL in star connection? (a)Eph (b)Eph/3 (c) 3 Eph (d)3Eph2. For the same load, power in star is power in delta. (a)> (b)< (c) =

3. If Z=5-j10 the load is more (a)resistive (b)inductive (c)capacitive

4. IRMSfor sine wave is .(a)1.414 IMAX (b)0.707 IMAX (c) IMAX (d) 2 IMAX

5.

What is the unit of Admittance? .Part B: (5 x 2 = 10 marks)

1. Define Kirchhoffs current and voltage law.2. Derive Power stored in inductor.

3. Distinguish real and reactive power.

4. What are the different types of 3 phase connections?

5. What is the meaning of 3 phase balanced load?

GOVERNMENT COLLEGE OF TECHNOLOGY,CBE-13Department of Electrical and Electronics Engineering - I Sem Mech-A( 12-09-2014 )

Unit Test 1Time (2:30 p.m. to 4:00 p.m.) 12M104-BASICS OF ELECTRICAL SCIENCESPart A: (5 x 1 = 5 marks)

6. What is the relationship of EL in star connection? (a)Eph (b)Eph/3 (c) 3 Eph (d)3Eph7. For the same load, power in star is power in delta. (a)> (b)< (c) =

8. If Z=5-j10 the load is more (a)resistive (b)inductive (c)capacitive

9. IRMSfor sine wave is .(a)1.414 IMAX (b)0.707 IMAX (c) IMAX (d) 2 IMAX10.What is the unit of Admittance? .

Part B: (5 x 2 = 10 marks)

6.

Define Kirchhoffs current and voltage law.7. Derive Power stored in inductor.

8. Distinguish real and reactive power.

9. What are the different types of 3 phase connections?

10.What is the meaning of 3 phase balanced load?

GOVERNMENT COLLEGE OF TECHNOLOGY,CBE-13

Department of Electrical and Electronics Engineering- I Sem Mech-A( 12-09-2014 )

Unit Test 1Time (2:30 p.m. to 4:00 p.m.) 12M104-BASICS OF ELECTRICAL SCIENCESPart A: (5 x 1 = 5 marks)

11.What is the relationship of EL in star connection? (a)Eph (b)Eph/3 (c) 3 Eph (d)3Eph12.For the same load, power in star is power in delta. (a)> (b)< (c) =

13. If Z=5-j10 the load is more (a)resistive (b)inductive (c)capacitive

14. IRMSfor sine wave is .(a)1.414 IMAX (b)0.707 IMAX (c) IMAX (d) 2 IMAX15.What is the unit of Admittance? .

Part B: (5 x 2 = 10 marks)

11.Define Kirchhoffs current and voltage law.12.Derive Power stored in inductor.

13.

Distinguish real and reactive power.

14.What are the different types of 3 phase connections?

15.What is the meaning of 3 phase balanced load?

8/11/2019 Question Paper Unit Test 1

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Part C: (12, 12, 11 marks) Any two among 1 to 4, Ques 5 compulsary

1. Explain the different types of windings in 3 phase connections?

2. Draw and explain Resistances in series and parallel, current and voltage division techniques in DC

circuits.

3. Explain Time Period, Frequency, Average value, RMS value, Form factor, Crest factor, Phase and

Phase difference in AC circuits.

4. Derive and explain the power delivered in Resistor, Inductor and Capacitor in AC circuits.

5.

Find currents using Mesh Analysis for the given circuit

Part C: (12, 12, 11 marks) Any two among 1 to 4, Ques 5 compulsary

1. Explain the different types of windings in 3 phase connections?

2. Draw and explain Resistances in series and parallel, current and voltage division techniques in DC

circuits.

3. Explain Time Period, Frequency, Average value, RMS value, Form factor, Crest factor, Phase and

Phase difference in AC circuits.

4. Derive and explain the power delivered in Resistor, Inductor and Capacitor in AC circuits.

5. Find currents using Mesh Analysis for the given circuit

Part C: (12, 12, 11 marks) Any two among 1 to 4, Ques 5 compulsary

1. Explain the different types of windings in 3 phase connections?

2. Draw and explain Resistances in series and parallel, current and voltage division techniques in DC

circuits.

3. Explain Time Period, Frequency, Average value, RMS value, Form factor, Crest factor, Phase and

Phase difference in AC circuits.

4. Derive and explain the power delivered in Resistor, Inductor and Capacitor in AC circuits.

5. Find currents using Mesh Analysis for the given circuit