
Lecture 5

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Other
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University
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Lidiya Jose
Used 1+ times
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19 questions
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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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