Building Construction Systems Ventilation Online Exam Quiz

Building Construction Systems Ventilation GK Quiz. Question and Answers related to Building Construction Systems Ventilation. MCQ (Multiple Choice Questions with answers about Building Construction Systems Ventilation

In the expression for finding the rate of flow of air arising due to the difference in temperature of outside and inside, the coefficient of effectiveness for general conditions is taken as ___________

Options

A : 0.35

B : 0.65

C : 0.85

D : 1.5

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Calculate the flow of air through two square openings of size 0.36 m with the wind blowing at a speed of 5 km/h. Given the value of K is 0.3.

Options

A : 174.4 m3/h

B : 194.4 m3/h

C : 267.4 m3/h

D : 234.4 m3/h

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According to the Indian Standard Code IS: 3362-1977, in the case of natural ventilation, flow per unit area of the opening is greatest when the inlet and outlet openings are of nearly equal __________

Options

A : Lengths

B : Volumes

C : Areas

D : Mass

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The rate of flow of air arising due to the difference in temperature of outside and inside is given by the expression ____________

Options

A : Q = 320 C.A. [h(T-t)]½

B : Q = 320 C.A. x h(T-t)

C : Q = 640 C.A. [h(T-t)]½

D : Q = 640 C.A. x h(T-t)

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The rate of flow through an opening due to the wind blowing on the wall containing it is given by the expression ___________

Options

A : Q = KV/A

B : Q = KA/V

C : Q = AV/K

D : Q = KAV

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Ventilation arising from the temperature difference between outside and inside takes place due to ____________ effect.

Options

A : Stack

B : Stark

C : Zeeman

D : Spark

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The rate of ventilation depends on both the wind effect and the stack effect.

Options

A : True

B : False

C :

D :

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The coefficient of effectiveness decreases with the relative size of the larger opening.

Options

A : True

B : False

C :

D :

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If the direction of the wind is at 90° to one of the faces, positive pressure will be produced on __________

Options

A : Windward face

B : Leeward face

C : Two windward faces

D : Two leeward faces

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If the direction of the wind is at 45° to one of the faces, negative pressure will be produced on __________

Options

A : Windward face

B : Leeward face

C : Two windward faces

D : Two leeward faces

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