SRI JAYARAM INSTITUTE OF ENGINEERING AND SRI JAYARAM INSTITUTE OF ENGINEERING AND
TECHNOLOGY TECHNOLOGY
MODEL EXAM MODEL EXAM
BE3251- Basic electrical and Electronics Engineering BE3251- Basic electrical and Electronics Engineering
Year/Sem: I/II SEM Date: 29/06/24 Year/Sem: I/II SEM Date:29/06/24
Dept : BIO MEDICAL/MECH/AIDS/CSE. Duration: 3 Hours Dept : BIO MEDICAL/MECH/AIDS/CSE. Duration: 3 Hours
Faculty: T.VARADHARAJ Max.Marks:100 Faculty: T.VARADHARAJ Max.Marks:100
PART-A (10 X 2 =20) PART-A (10 X 2 =20)
1. Determine the total resistance RAB of the circuit.
1. Determine the total resistance RAB of the circuit.
2. State kirchoff current law. 2. State kirchoff current law.
3. State the working principal of transformer. 3. State the working principal of transformer.
4. What are the significant of back EMF in DC motor? 4. What are the significant of back EMF in DC motor?
5. Write the binary equivalent number for decimal number 0-16. 5. Write the binary equivalent number for decimal number 0-16.
6. minimize the given function f(a,b,c) =∑m(0,1,2,4,5,7). 6. minimize the given function f(a,b,c) =∑m(0,1,2,4,5,7).
7. Draw the construction of energy meter. 7. Draw the construction of energy meter.
8. What are the parts in PMMC? 8. What are the parts in PMMC?
9. Draw the forward and reverse bias condition of PN diode. 9. Draw the forward and reverse bias condition of PN diode.
10. What is the gap voltage for SI and Ge. 10. What is the gap voltage for SI and Ge
PART –B (5 X 13 = 65) PART –B (5 X 13 = 65)
1. A) Minimize the given function using K –map 1. A) Minimize the given function using K –map
a) f(A,B,C,D)=∑m(0,1,3,6,8,9,10,11,12,14,15) a) f(A,B,C,D)=∑m(0,1,3,6,8,9,10,11,12,14,15)
b) F(a,b,c,d)= ∑m(0,1,2,4,6,7,10,14,15) b) F(a,b,c,d)= ∑m(0,1,2,4,6,7,10,14,15)
c) F(X, Y, Z) = XYZ + X YZ +Z + X YZ + XY Z . c) F(X, Y, Z) = XYZ + X YZ +Z + X YZ + XY Z .
OR OR
B) Convert it into standard form of SOP and POS. B) Convert it into standard form of SOP and POS
a) F(X, Y) =X( X Y +Y ¿ b) complement of XY+ XY
c)complement of (A+C)( A+C ¿ . d) f(A,B)=AB+ A B. a) F(X, Y) =X( X Y +Y ¿ b) complement of XY+ XY
2. A) Explain briefly about the PMMC instrument. c)complement of (A+C)( A+C ¿ . d) f(A,B)=AB+ A B.
OR 3. A) Explain briefly about the PMMC instrument.
B) Explain briefly about attractive type PMMI instrument. OR
B) Explain briefy about attractive type PMMI instrument.
3. A) Define CE configuration of NPN transistor.
OR 3. A) Define CE configuration of NPN transistor.
B) Define CB configuration of NPN transistor. OR
4. A) Derive the emf equation of transformer. B) Define CB configuration of NPN transistor.
OR 4. A) Derive the emf equation of transformer.
B) Derive the emf equation of DC generator. OR
5. A) Determine the mesh current flow in the circuit shown below. B) Derive the emf equation of DC generator.
5.A) Determine the mesh current flow in the circuit shown below.
OR
OR
B) deternIne the current ,power factor, impedance ,and rectance of series
RLC circuit having V= 200 v, with Frequency of F = 50 Khz, with R= B) Determine the current ,power factor, impedance ,and rectance of
1000 ohms,L = 50 mH, C = 250 uF. series RLC circuit having V= 200 v, with Frequency of F = 50 Khz,
with R= 1000 ohms,L = 50 mH, C = 250 uF.
PART –C 1X15=15)
1. Explain briefly about the construction and working of DC machines. PART –C 1X15=15)
OR
2. Explain briefly about the construction of Energy meter. 1. Explain briefly about the construction and working of DC machines.
OR
2. Explain briefly about the construction of Energy meter.
B) Explain briefly about earthing and its types of earthing.
SRI JAYARAM INSTITUTE OF ENGINEERING AND
TECHNOLOGY SRI JAYARAM INSTITUTE OF ENGINEERING AND
TECHNOLOGY
MODEL EXAM
MODEL EXAM
BE3252- Basic electrical Engineering and Instrumentation.
BE3252- Basic electrical Engineering and Instrumentation.
Year/Sem: I/II SEM Date: 29/06/24
Year/Sem: I/II SEM Date: 29/06/24
Dept :AGRI Duration: 3 Hours
Dept :AGRI Duration: 3 Hours
Faculty: T.VARADHARAJ Max.Marks:100
Faculty: T.VARADHARAJ Max.Marks:100
PART-A (10 X 2 =20)
PART-A (10 X 2 =20)
1. Define fuse and its protection.
2. What are the safety precaution for electrical system to be 1. Define fuse and its protection.
maintained. 2. What are the safety precaution for electrical system to be
3. Define fringing in magnetic field. maintained.
4. What is mean by magnetic field intensity. 3. Define fringing in magnetic field.
5. Define transducer and its type. 4. What is mean by magnetic field intensity.
6. State the working principal of LVDT. 5. Define transducer and its type.
7. Determine the total resistance RAB of the circuit. 6. State the working principal of LVDT.
7. Determine the total resistance RAB of the circui
8. State ohms law.
9. State kirchoff current law. 8. State ohms law.
10. Define semiconductor and its types. 9. State kirchoff current law.
PART –B (5 X 13 = 65) 10. Define semiconductor and its types.
PART –B (5 X 13 = 65)
1. A) Define CE configuration of NPN transistor.
OR 1. A) Define CE configuration of NPN transistor.
B) explain briefly about the working of PN diode. OR
2. A) Explain briefly about the MCB. B) explain briefly about the working of PN diode.
OR 2. A) Explain briefly about the MCB.
OR
B) Explain briefly about earthing and its types of earthing.
3. A) determine the node voltage E1 and E2. 3. A) determine the node voltage E1 and E2.
B) Determine the current through the 6ohms resistance using mesh B) Determine the current through the 6ohms resistance using mesh
analysis. analysis.
4. A) Derive the emf equation of transformer. 4. A) Derive the emf equation of transformer.
OR OR
B) Derive the emf equation of DC generator. B) Derive the emf equation of DC generator.
5. A) Define briefly about the Piezo electric transducer. 5. A) ) Define briefly about the Piezo electric transducer
OR OR
B) Define briefly about LVDT. B) Define briefly about LVDT.
PART –C 1X15=15) PART –C 1X15=15)
1. (A) Define the CB configuration of NPN transistor. 1. (A) Define the CB configuration of NPN transistor.
Or Or
(B)Explain briefly about the stain gauge and its application. (B)Explain briefly about the stain gauge and its application.
