B.TECH - Semester 8 electrical system design Question Paper 2008 (may)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- What is the scope of NEC in Electrical Installation Design?
- How would you classify the electric services in buildings according to the voltage level?
- How does an MCCB differ from an MCB?
- What is meant by pre-commissioning test of electric installation in domestic buildings?
- Compare an outdoor and indoor substation.
- What is the significance of earthing and lightning arrestors in electrical installations?
- What are the different equipment used in outdoor substation?
- What are the requirements of a public lighting system? P.T.O.
- Write a note on flood lighting.
- What are the special considerations in the electrical design of high rise buildings? ( $10 \times 4=40$ Marks) PART - B Answer any one full question from each module. Module I
- (a) Consider a single room for office use. You need to fix an LED lamp, an LED tube light, a ceiling fan with regulator along with two 5 A sockets and a 15 A socket. Draw a single line diagram followed by an installation diagram. Make an estimate of ...
- (b) Briefly explain the significance of IS codes relevant to electrical installations. OR
- (a) Explain the working of ELCB.
- (b) What are the different energy conservation techniques suitable for air conditioners?
- (c) Write a short note on Indian Electricity Rules.
- (a) Explain different types of earthing.
- (b) What are the different switchgears used in medium voltage installations? OR
- Give the design aspects and prepare an estimate of the materials required for the erection of a $250 \mathrm{kVA}, 11 \mathrm{kV} / 400 \mathrm{~V}$ pole-mounted substation. 20
- (a) Describe the important features of Kerala Cinema Regulation Act 1958. 6
- (b) A recreational hall needs to accommodate 250 people. Design the installation and draw a schematic diagram.
- Explain in detail the illumination system suitable for yards and streets. $$ \text { ( } 3 \times 20=60 \text { Marks) } $$