B.TECH - Semester 8 electrical system Question Paper 2019 (nov)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Mention the standard values of voltages and the permitted tolerances specified in NEC.
- Explain the functions of fuses. Describe different types of fuses.
- Explain the pre-commissioning tests in domestic installation.
- A domestic building consists of following loads. Calculate the connected load. | Sl.No | Equipment | No. of <br> Equipments | Wattage rating | | :---: | :---: | :---: | :---: | | 1 | Lamp | 12 | 60 W | | 2 | Fan | 5 | 60 W | | 3 | 5A Socket | 4 | 10...
- Explain the classification of substation.
- Explain the pre-commissioning tests in generators.
- Explain the advantages of outdoor substation over indoor substation.
- Explain key features of Kerala cinema regulation act 1958.
- Explain types of lighting schemes.
- Explain the aspects in design of electric systems in escalators. Answer one full question from each module.
- Specify the distribution board for the plan given below. Select the cables for each subcircuit. Also draw the schematic diagram for the installation.
- (a) Explain the salient features of national electric code (NEC).
- (b) Explain the energy conservation techniques in Air conditioners.
- (a) Write short notes on
- (i) Pipe Earthing (ii) MAT Earthing
- (b) What are the functions of lightning arresters? Explain workiii~ of any one lighting arrester.
- Estimate the quantity of material and cost required for erection of 250 kVA , $11 \mathrm{kV} / 400 \mathrm{~V}$ pole mounted substation.
- Design and estimate the quantity of materials required for a cinema theatre having 600 seats. OR
- Write short note on (a) Street lighting
- Write short note on (b) Flood lighting