How many types of ventilation are there?
A. 3
B. 4
C. 2
D. 5
Answer: Option A
Solution(By Examveda Team)
There are three types of ventilation i.e., natural, mechanical and hybrid or mixed-mode ventilation.Related Questions on Building Maintenance
Creep in concrete structure increases with:
A. Increase in humidity
B. Increase in water
C. Decrease in temperature
D. Decrease in humidity
To control corrosion, concrete with _________ is used.
A. Low permeability
B. Low thermal coefficient
C. More cement content
D. More coarse aggregates
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