Exam Details
| Subject | Utilization Of Electrical Engineering | |
| 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 | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 4 IBmEE-OO°1
DIPLOMA IN ELECTRICAL ENGINEERING
(DELVI)
Term-End Examination
December, 2016
BIEEE-005 UTILIZATION OF ELECTRICAL -ENGINEERING
Time: 2 hours Maximum Marks: 70
Note: Question no. 1 is compulsory. Answer any four questions from questions no. 2 to 7. Use of scientific calculator is permitted. Assume suitable values, in .case required data is missing. All questions carry equal marks.
1. In the following questions choose the most appropriate answer: 7x2=14
Lumen/watt is a unit of
Light flux
Luminous intensity
Brightness
Luminous efficiency
The speed of a train in traction system calculated considering time for stop and time for run is called
Schedule speed
Average speed
Notching speed
Free running speed
Which of the following machines is never run at no load
Synchronous motor
D.C. series motor
D.C. shunt motor
Induction motor
Welding transformer is designed for
Low current, very high voltage
High current, high voltage
High current, low voltage
Low current, low voltage
The period during which the electric train runs with engine off due to its own momentum is called
Acceleration period
Free run period
Coasting period
Retardation period
Enclosure used in motors that are used in damp situations like pumping station is
Drip proof type
Open type
Protected type
Pipe ventilated type
Heating method preferred in heating of non-metallic parts such as wood, plastic, etc. is called
Resistance heating
Dielectric heating
Induction heating
Arc heating
2. Two lamps are 16 metres apart and are fitted with a 100 c.p. lamp at a height of 6 metres above the ground. Calculate the illumination on the ground
under each lamp, and
midway between the lamps. 7
With the help of a neat diagram, explain the construction and working of a mercury vapour lamp. 7
3. Explain Individual and Group drives with the help of suitable examples and give anyone advantage of both the drives. 7
Draw and explain the electrical circuit diagram of a domestic air-conditioner. 7
4. Enumerate the various systems of electric traction and explain anyone system in brief. 7
What are the different types of electric braking used in a traction system Briefly explain anyone of them with the help of a neat sketch. 7
5. Draw the starting and running characteristics of a d.c. series motor and justify its use in cranes and lifts on the basis of its characteristics. 7
Draw and explain the working of a direct arc furnace. 7
6. Give the classification of electric heating. Explain the construction and working of a direct core type and a coreless induction furnace with
the help of neat sketches. 4+5+5=14
7. Write short notes on any two of the following: 2x7=14
Vapour Compression Cycle
Speed-time curve for urban, suburban and main line services
Factors for selection of a motor in an electric drive
Dielectric Heating
DIPLOMA IN ELECTRICAL ENGINEERING
(DELVI)
Term-End Examination
December, 2016
BIEEE-005 UTILIZATION OF ELECTRICAL -ENGINEERING
Time: 2 hours Maximum Marks: 70
Note: Question no. 1 is compulsory. Answer any four questions from questions no. 2 to 7. Use of scientific calculator is permitted. Assume suitable values, in .case required data is missing. All questions carry equal marks.
1. In the following questions choose the most appropriate answer: 7x2=14
Lumen/watt is a unit of
Light flux
Luminous intensity
Brightness
Luminous efficiency
The speed of a train in traction system calculated considering time for stop and time for run is called
Schedule speed
Average speed
Notching speed
Free running speed
Which of the following machines is never run at no load
Synchronous motor
D.C. series motor
D.C. shunt motor
Induction motor
Welding transformer is designed for
Low current, very high voltage
High current, high voltage
High current, low voltage
Low current, low voltage
The period during which the electric train runs with engine off due to its own momentum is called
Acceleration period
Free run period
Coasting period
Retardation period
Enclosure used in motors that are used in damp situations like pumping station is
Drip proof type
Open type
Protected type
Pipe ventilated type
Heating method preferred in heating of non-metallic parts such as wood, plastic, etc. is called
Resistance heating
Dielectric heating
Induction heating
Arc heating
2. Two lamps are 16 metres apart and are fitted with a 100 c.p. lamp at a height of 6 metres above the ground. Calculate the illumination on the ground
under each lamp, and
midway between the lamps. 7
With the help of a neat diagram, explain the construction and working of a mercury vapour lamp. 7
3. Explain Individual and Group drives with the help of suitable examples and give anyone advantage of both the drives. 7
Draw and explain the electrical circuit diagram of a domestic air-conditioner. 7
4. Enumerate the various systems of electric traction and explain anyone system in brief. 7
What are the different types of electric braking used in a traction system Briefly explain anyone of them with the help of a neat sketch. 7
5. Draw the starting and running characteristics of a d.c. series motor and justify its use in cranes and lifts on the basis of its characteristics. 7
Draw and explain the working of a direct arc furnace. 7
6. Give the classification of electric heating. Explain the construction and working of a direct core type and a coreless induction furnace with
the help of neat sketches. 4+5+5=14
7. Write short notes on any two of the following: 2x7=14
Vapour Compression Cycle
Speed-time curve for urban, suburban and main line services
Factors for selection of a motor in an electric drive
Dielectric Heating
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
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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