Lecture 5

Lecture 5

University

19 Qs

quiz-placeholder

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Lecture 5

Lecture 5

Assessment

Quiz

Other

University

Medium

Created by

Lidiya Jose

Used 1+ times

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the four types of air ducts according to their transporting functions?

Supply duct, Return duct, Outdoor air duct, Exhaust duct

Only Supply duct and Return duct

Only Outdoor air duct and Exhaust duct

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material is used for supply, ventilation, and exhaust ducts?

Galvanised steel

Stainless steel

Plastics

Fabric

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the classification of duct systems according to flame spread and smoke development?

Class 0, Class 1, Class 2

Class A, Class B, Class C

Class I, Class II, Class III

No classification

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two classifications of ductwork systems based on velocity of flow?

Low velocity and High velocity

Medium velocity and High velocity

Low velocity and Medium velocity

No classification

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the shapes into which ducts can be classified?

Rectangular, Round, Flat oval, Flexible

Square, Round, Flat oval, Flexible

Rectangular, Oval, Triangular, Flexible

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the major disadvantage of round ducts?

Greater space required under the beam for installation

Higher cost

More air leakage

Less fluid resistance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of duct insulation?

To improve thermal and acoustic performance

To reduce cost

To increase air leakage

To make ducts aesthetically pleasing

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