Question 1
(a)
State and explain Kirchhoff’s current Law.
3 Marks
(b)
Prepare a list of parts of a Single-phase AC Motor.
4 Marks
(c)
State & Explain the Thevenin’s theorem with suitable example.
7 Marks
Gujarat Technological UniversityWinter 2024 Examination
GTU 3110005 Basic Electrical Engineering (BEE) Winter 2024 Paper Solution & PDF
B.E. · Common Engineering · Semester 1 · Subject Code: 3110005
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Write short note on autotransformer.
3 Marks
(b)
Derive the EMF equation of single-phase transformer.
4 Marks
(c)
When three resistances of 10, 20, and 30 are connected in series across 230 V supply. Find (1) equivalent resistance (2) current flowing through each resistance, (3) voltage drop across each and (4) power loss in each resistor
7 Marks
OR OPTION
(c)
Derive the relationship between line and phase values of current in a three phase, balanced, delta connected system.
7 Marks
Question 3
(a)
Define following terms in connection with A.C wave forms: (i) Frequency
iiTime period (iii) Amplitude.
3 Marks
(b)
If the waveform of a voltage has a form factor of 1.11 and peak factor of
151 and if the maximum value of a voltage is 4500 volts. Calculate the average and r.m.s. values of the voltage.
4 Marks
(c)
Describe the open circuit & short circuit test on single-phase transformer.
7 Marks
OR OPTION
(a)
List out the merits of two-watt meter method.
3 Marks
(b)
Compare series and parallel RLC circuit resonance.
4 Marks
(c)
Derive an expression for the voltage across the capacitor during charging through the resistor at any instant Vc = V (1-e -t/RC). Assume that RC series circuit is connected across a DC supply of voltage V.
7 Marks
Question 4
(a)
Mention Merits and Demerits of Single-Phase Induction Motor.
3 Marks
(b)
Compare Squirrel cage induction motor and Slip ring Induction Motor.
4 Marks
(c)
Describe construction of a DC machine.
7 Marks
OR OPTION
(a)
Write applications of Auto Transformer.
3 Marks
(b)
Explain Working of capacitor start Single phase induction motor
4 Marks
(c)
Explain construction of synchronous generator with diagram.
7 Marks
Question 5
(a)
Write advantages and disadvantages of ELCB.
3 Marks
(b)
Draw the structure of underground cable with name of all sections.
4 Marks
(c)
Explain different methods of Power factor Improvement
7 Marks
OR OPTION
(a)
Write safety precautions for electrical Applications
3 Marks
(b)
Compute the monthly energy charges for an air conditioner having Power consumption of 3 kW and daily uses 10 hours. Energy charges Rs. 5 per unit
4 Marks
(c)
Classify different types Earthing and explain any one in detail.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Basic Electrical Engineering (BEE) (Winter 2024, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.