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, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the appropriate one.
Which type of earthing is used in rocky places?
Rod earthing
Pipe earthing
Horizontal earthing
Plate earthing
In which type of wiring, is good protection from dampness provided
Cleat wiring
Wooden capping and casing wiring
Lead sheathed wiring
Conduit wiring
Which of the following power distribution systems gives greater reliability?
DC 3-wire system
AC 3-phase 4-wire system
Radial system
Ring main system
Earthing is done for
reducing the input current
safety of the equipment
safety of the operation
safety against the short circuit
Wiring clips are usually made of
Copper
Steel
Brass
Aluminium
In the case of distribution, the main consideration is
current carrying capacity
resistance
transmission voltage
voltage drop
Installation resistance is expressed in
Ohms
Mega-ohms
Micro-ohms
Milli-ohms
Write any five ISI specifications pertaining to earthing of domestic and factory installations.
Distinguish between surface and concealed conduit wiring.
3. An ac squirrel cage induction motor of 15 HP, three-phase 400 volts, 1440 rpm with a star delta starter is to be installed at a distance of 22 m from the available ac mains as shown in the Figure 1.
<img src='./qimages/15571-3.jpg'>
Show the layout of the wiring and estimate the quantity of material required.
State the rules and regulations about conductor clearance and pole height.
Why are lightning arresters used in a substation?
Explain the factors you would consider for selecting a conduction for low tension line extension for a particular load.
What are the various types of substations? Explain the scheme and components of any one substation.
What are the objectives of a good air-conditioning system
Describe the working of a room air-conditioner and explain the electrical system with the help of a neat circuit diagram.
7. Write short notes on the following:
Overhead service connection versus Underground service connection
Factors to be considered for checking power installations
Electrical point method and Fixed percentage method
Selection of wiring schemes for domestic installation
Which type of earthing is used in rocky places?
Rod earthing
Pipe earthing
Horizontal earthing
Plate earthing
In which type of wiring, is good protection from dampness provided
Cleat wiring
Wooden capping and casing wiring
Lead sheathed wiring
Conduit wiring
Which of the following power distribution systems gives greater reliability?
DC 3-wire system
AC 3-phase 4-wire system
Radial system
Ring main system
Earthing is done for
reducing the input current
safety of the equipment
safety of the operation
safety against the short circuit
Wiring clips are usually made of
Copper
Steel
Brass
Aluminium
In the case of distribution, the main consideration is
current carrying capacity
resistance
transmission voltage
voltage drop
Installation resistance is expressed in
Ohms
Mega-ohms
Micro-ohms
Milli-ohms
Write any five ISI specifications pertaining to earthing of domestic and factory installations.
Distinguish between surface and concealed conduit wiring.
3. An ac squirrel cage induction motor of 15 HP, three-phase 400 volts, 1440 rpm with a star delta starter is to be installed at a distance of 22 m from the available ac mains as shown in the Figure 1.
<img src='./qimages/15571-3.jpg'>
Show the layout of the wiring and estimate the quantity of material required.
State the rules and regulations about conductor clearance and pole height.
Why are lightning arresters used in a substation?
Explain the factors you would consider for selecting a conduction for low tension line extension for a particular load.
What are the various types of substations? Explain the scheme and components of any one substation.
What are the objectives of a good air-conditioning system
Describe the working of a room air-conditioner and explain the electrical system with the help of a neat circuit diagram.
7. Write short notes on the following:
Overhead service connection versus Underground service connection
Factors to be considered for checking power installations
Electrical point method and Fixed percentage method
Selection of wiring schemes for domestic installation
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)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
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