Contents

Most of the heat enters to the buildings from…
a) roofs

b) bottom 

c) front  

d) all sides

a

Which of the following process/es transfer/s heat into buildings?
a) conduction                      

b) convection
c) radiation                          

d) all of these

d

False ceiling below the roof is done with air trapped between ceiling and roof. By which method the transfer of heat from outside to inside the room is controlled?
a) conduction                      

b) convection
c) radiation                          

d) all of these

a

Explanation: A false ceiling is a type of construction that involves the installation of a secondary ceiling below the original ceiling. 


By laying down reflector on the top of the roof and white washing the roof, by which method the transfer of heat from outside to inside the room is controlled?
a) conduction                      

b) convection
c) radiation                         

d) all of these


c

Explanation:White and shiny surfaces are poor absorber and good reflector of heat



Which of the following method/s is/are used to control the temperature of a building?
a) insulating panels attached with the front wall
b) false ceiling
c) doubled glazed windows and doors are installed                                     

d) all of these

d

Exercise: