Exam Details
| Subject | Electrical Installation and System | |
| Paper | ||
| Exam / Course | Diploma -VIEP-Electrical Engineering (DELVI)/Advanced Level Certificate Course In Electrical Engineering (ACELVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 4 IBIEE-0361
DIPLOMA IN ELECTRICAL ENGINEERING
(DELVI)
Term-End Examination
June, 2016
00326 BIEE-036 ELECTRICAL INSTALLATION AND SYSTEMS
Time: 2 hours Maximum Marks 70
Note: Question no. 1 is compulsory. From questions no. 2 to answer any four questions. All questions carry equal marks. Use of scientific calculator is allowed.
1. In industrial wiring, why is surface conduit wiring system adopted?
What points need to be considered for the selection of fuse in industrial wiring?
What does a switch do What should be the features of a good switch?
What are the various types of lamp holders?
What is stay or guy wire? Why is it used in low tension lines
State any two effects of violation of safety limits of electrical equipments.
What points are to be considered for the selection of pole for an overhead distribution line? 7 x 2=14
2. What is a tender? State the advantages of tender system. When does a tender become invalid?
Briefly discuss the earnest money and security deposits. 8+6=14
3. Explain the importance of specifications and give the detailed specifications of Fluorescent lamp and Mercury vapour lamp.
Briefly discuss the points to be considered for the selection of wires/cables in industrial wiring. 8+6=14
4. Draw the schematic and wiring diagram for the following electric lighting circuits
Control of two lamps from two switches
Control of one lamp from two places
In a large factory shed, 300 numbers of fluorescent tubes each of rating 80 W by conduit wiring system is provided. Calculate the following:
Total load on the installation in kW
Total current of the installation
Assuming supply voltage to be 240 V single-phase number of sub-circuits required
Rating of main switch and distribution board and number of distribution boards required.
Assume suitable data, if required. 6+8=14
5. Classify the types of wiring. Which type of wiring is suggested for domestic wiring Justify your suggestion.
A 4m x4m x3.5m high room in a building is to be provided with 2 lamps, 2 tube lights, 2 ceiling fans and two 3-pin socket outlets of 5 A rating by conduit wiring system. For this installation
draw the installation plan and wiring diagram and also show the location of each point and switch board.
estimate the quantity of materials required for 8-point wiring. 7+7=14
6. Distinguish between a feeder, a distributor and a service main in a distribution scheme. Mention the advantages and disadvantages of overhead feeders.
Show that with an increase in working voltage to n times, the cross-sections of a feeder and a distributor would be reduced to 1/n and of their respective values. 7+7=14
7. Explain the method of overhead service connection to a multi-storied building.
Draw a neat diagram of a 3-phase underground service connection. State its main components and functions. 7+7=14
8. Write short notes on any four of the following: 4x3 1/2=14
Storage and Supervision charges
Specimen order for supply of air-conditioners
General important rules for domestic wiring
Various types of line supports
Outdoor vs Indoor type substations
Various types of switches and their specifications
DIPLOMA IN ELECTRICAL ENGINEERING
(DELVI)
Term-End Examination
June, 2016
00326 BIEE-036 ELECTRICAL INSTALLATION AND SYSTEMS
Time: 2 hours Maximum Marks 70
Note: Question no. 1 is compulsory. From questions no. 2 to answer any four questions. All questions carry equal marks. Use of scientific calculator is allowed.
1. In industrial wiring, why is surface conduit wiring system adopted?
What points need to be considered for the selection of fuse in industrial wiring?
What does a switch do What should be the features of a good switch?
What are the various types of lamp holders?
What is stay or guy wire? Why is it used in low tension lines
State any two effects of violation of safety limits of electrical equipments.
What points are to be considered for the selection of pole for an overhead distribution line? 7 x 2=14
2. What is a tender? State the advantages of tender system. When does a tender become invalid?
Briefly discuss the earnest money and security deposits. 8+6=14
3. Explain the importance of specifications and give the detailed specifications of Fluorescent lamp and Mercury vapour lamp.
Briefly discuss the points to be considered for the selection of wires/cables in industrial wiring. 8+6=14
4. Draw the schematic and wiring diagram for the following electric lighting circuits
Control of two lamps from two switches
Control of one lamp from two places
In a large factory shed, 300 numbers of fluorescent tubes each of rating 80 W by conduit wiring system is provided. Calculate the following:
Total load on the installation in kW
Total current of the installation
Assuming supply voltage to be 240 V single-phase number of sub-circuits required
Rating of main switch and distribution board and number of distribution boards required.
Assume suitable data, if required. 6+8=14
5. Classify the types of wiring. Which type of wiring is suggested for domestic wiring Justify your suggestion.
A 4m x4m x3.5m high room in a building is to be provided with 2 lamps, 2 tube lights, 2 ceiling fans and two 3-pin socket outlets of 5 A rating by conduit wiring system. For this installation
draw the installation plan and wiring diagram and also show the location of each point and switch board.
estimate the quantity of materials required for 8-point wiring. 7+7=14
6. Distinguish between a feeder, a distributor and a service main in a distribution scheme. Mention the advantages and disadvantages of overhead feeders.
Show that with an increase in working voltage to n times, the cross-sections of a feeder and a distributor would be reduced to 1/n and of their respective values. 7+7=14
7. Explain the method of overhead service connection to a multi-storied building.
Draw a neat diagram of a 3-phase underground service connection. State its main components and functions. 7+7=14
8. Write short notes on any four of the following: 4x3 1/2=14
Storage and Supervision charges
Specimen order for supply of air-conditioners
General important rules for domestic wiring
Various types of line supports
Outdoor vs Indoor type substations
Various types of switches and their specifications
Other Question Papers
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Subjects
- Basics of Electrical Engineering
- C - Programming
- Computer Applications In P.S.
- Control Systems
- Digital Control System
- Digital Control System Design
- Dynamics System Simulation
- Electrical Circuit Theory
- Electrical Engineering Material
- Electrical Installation and System
- E l e c t r i c a l M a c h i n e T h e o r y I I
- Electrical Machines-I
- Electrical Measurements And Instruments
- Electrical Power Transmission and Distribution
- Energy Audit
- Flexible Ac Transmission System
- Industrial Drives and Controls
- Mechatronics
- Power Generation System
- Power Plant Economics And Centering
- Power System Reliability
- Principles of Computer Architecture
- Special Electrical Machines
- Switchgear And Protection
- Utilization Of Electrical Engineering