Building Construction Thermal Insulation Online Exam Quiz
Building Construction Thermal Insulation GK Quiz. Question and Answers related to Building Construction Thermal Insulation. MCQ (Multiple Choice Questions with answers about Building Construction Thermal Insulation
According to Indian Standards, overall thermal transmittance of a wall should not be more than __________ kcal/m2 h deg C.
Options
A : 1.3
B : 2.2
C : 3.7
D : 4.6
According to Indian Standards, it is recommended that the overall thermal transmittance of a roof should not be more than _______ kcal/m2 h deg C.
Options
A : 2.00
B : 5.00
C : 7.00
D : 9.00
Thermal insulation of roofs can be obtained by covering the top exposed surface of the roof with ________
Options
A : 2.5 cm thick layer of mud mortar
B : 2.5 cm thick layer of coconut pitch cement concrete
C : 7.5 cm thick layer of mud mortar
D : 7.5 m thick layer of coconut pitch cement concrete
According to the Indian Standards, it is recommended that thermal damping of a wall should not be less than _______
Options
A : 40%
B : 50%
C : 60%
D : 80%
The process of direct transmission of heat through a material is known as __________
Options
A : Conduction
B : Radiation
C : Thermal insulation
D : Thermal energy
Reflective sheet materials used as thermal insulating material have ___________ reflectivity and __________ emissivity.
Options
A : High, high
B : High, low
C : Low, low
D : Low, high
Which of the following is not a quality of a good thermal insulating material?
Options
A : It should be durable
B : It should have a low thermal resistance
C : It should be readily available
D : It should be fireproof
Thermal damping is given by the equation D = (T-t/T) x 100. Here, T denotes _________
Options
A : Outside temperature range
B : Inside temperature range
C : Total outside and inside temperature range
D : Thickness
Which of the following is the correct relationship between thermal resistance and thermal conductivity?
Options
A : R = k/L
B : R = k.L
C : R = L/k
D : R = L2/k
Surface resistance is the reciprocal of __________
Options
A : Surface coefficient
B : Surface resistivity
C : Surface conductance
D : Surface conductivity
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