Class 12 Electronics Chapter 2 Busway in Control Panel Design

Class 12 Electronics Chapter 2 Busway in Control Panel Design Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters Class 12 Electronics Chapter 2 Busway in Control Panel Design Question Answer and select need one. Class 12 Electronics Chapter 2 Busway in Control Panel Design Notes Download PDF. AHSEC Class 12 Elective Electronics Question Answer English Medium.

Class 12 Electronics Chapter 2 Busway in Control Panel Design

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 12 Elective Electronics Textual Solutions are part of All Subject Solutions. Here we have given AHSEC Class 12 Electronics Textbook Solutions English Medium for All Chapters, You can practice these here.

Busway in Control Panel Design

Chapter: 2

Check Your Progress

A. Multiple choice questions:

1. The two types of busways are ____________ .

(a) Feeder and service entrance. 

(b) Feeder and plug-in. 

(c) Plug-in and service enter. 

(d) Indoor and outdoor.

Ans: (b) Feeder and plug-in.

2. How many phases are used for heavy voltage supply in the busway? 

(a) Two.

(b) Four. 

(c) Three.

(d) Five.

Ans: (c) Three.

3. The maximum current rating of a busway with aluminium busbars is ____________ amperes. 

(a) 2,000 

(b) 3,000 

(c) 4,000 

(d) 5,000 

Ans: (c) 4,000 

4. The busbar shown in the figure is used for which busway? 

(a) Feeder. 

(b) Plug-in. 

(c) Service entrance. 

(d) Outdoor.

Ans: (b) Plug-in.

5. Which of the following is used to provide airtight connection to a busway? 

(a) Reducers. 

(b) Service heads. 

(c) Flanges. 

(d) Expansion fittings.

Ans: (c) Flanges.

6. Which of the following is used to hang the busway? 

(a) End closers. 

(b) Service heads. 

(c) Hanger. 

(d) Flanged ends.

Ans: (c) Hanger.

7. What is the current carrying capacity of a copper busbar? 

(a) 5000 amperes.

(b) 1000 amperes. 

(c) 2000 amperes.

(d) 3000 amperes.

Ans: (b) 1000 amperes.

8. Combination elbows can turn a busway system and ____________. 

(a) Up and right.

(b) Left and down.

(c) Right and left. 

(d) Up or down and right or left.

Ans: (d) Up or down and right or left.

B. Fill in the blanks:

1. A ____________ distributes electrical power throughout a building. 

Ans: Switchboard.

2. Electrical power in a commercial area can be distributed using ____________ . 

Ans: Busway.

3. Busways have ____________ inside their enclosure.

Ans: Busbar.

4. A standard busbar is made up of _____________ or _____________. 

Ans: Aluminium or copper.

5. In enclosure, ____________ tape is used to wrap a busbar. 

Ans: Glass wrap.

6. To provide air tight sealing, ____________ is used in a busway system. 

Ans: Flange.

7. To continue the busway in the same direction ____________ is used. 

Ans: Offset.

8. The two types of busways are ____________ and ____________.

Ans: Feeder and plugin.

9. To expand the busway in four directions, ______________ is used. 

Ans: Crosses.

10. In high power distribution ____________ phases and ____________ neutrals are used in a busway.

Ans: 3 and 1

C. State whether the following statements are True or False:

1. Hangers are used to support a busway. These hangers counter the weight of a busway. 

Ans: True.

2. The flange provides an air tight seal around a busway. 

Ans: True.

3. Hanger is used to turn the busbar in right or left direction. 

Ans: Fase.

4. Combination elbows can turn a busway system up or down, and right or left. 

Ans: True.

5. In a distribution system, electrical power is distributed using a power cable and wires. 

Ans: True.

6. NEMA stands for National Electrical Manufacturers Association. 

Ans: True.

7. A plug-in busway is dynamic in nature. 

Ans: True.

8. A feeder busway is static in nature. 

Ans: True.

9. A joint stack is used to terminate a busbar. 

Ans: Fase.

10. A centre tape box is used to hang the bars.

Ans: Fase.