WorksheetsConstruction Practices 3
Total questions: 8
Worksheet time: 3mins
In building design, which of the following materials is considered most fire-resistant?
A. Timber
B. Brick masonry
C. Aluminum
D. Steel
Which of the following combinations provides thermal comfort in air-conditioned spaces?
A. High air velocity, low humidity
B. Low temperature, high humidity
C. Moderate temperature, moderate humidity, low air velocity
D. High temperature, low humidity
The primary purpose of ventilation in a building is to:
A. Control external noise
B. Supply fresh air and remove stale air
C. Increase air temperature
D. Reduce solar radiation
In an air conditioning system, dehumidification is achieved by:
A. Heating the air
B. Cooling air below dew point temperature
C. Mixing outdoor air
D. Increasing air velocity
The main cause of dampness in walls is:
A. Overheating of interior
B. Capillary action of groundwater
C. Use of lime plaster
D. Poor ventilation
In building acoustics, sound transmission class (STC) rating indicates:
A. Sound absorption capacity
B. Sound reflection coefficient
C. Ability to block airborne sound transmission
D. Ability to absorb impact sound
According to the Central Pollution Control Board (CPCB), the permissible noise level in a residential area during daytime is:
A. 55 dB(A)
B. 65 dB(A)
C. 75 dB(A)
D. 45 dB(A)
A silence zone is defined as an area extending up to ___ meters around hospitals, educational institutions, and courts, where the noise level shall not exceed prescribed limits.
A. 50 m
B. 100 m
C. 150 m
D. 200 m
