List of top Building Construction and Structural systems Questions on Building material characteristics and applications

A roof area of 6000 m\(^2\) of a building is drafted on a drawing sheet as 240 cm\(^2\). The scale used in the drawing sheet is 1:__________ (rounded off to the nearest integer)
As per the National Building Code of India, 2016, choose the correct option where materials are arranged in the increasing order of their embodied energy.
The 4th and 5th dimension of Building Information Modelling (BIM) are _________ and _________, respectively.
Match the specially shaped bricks in Group-I with their corresponding nomenclature in Group–II
Group IGroup II
(P) Match the specially shaped bricks in Group-I with their corresponding nomenclature in Group–II (1) Plinth Header
(Q) Match the specially shaped bricks in Group-I with their corresponding nomenclature in Group–II(2) Bird's mouth 
(R)    Match the specially shaped bricks in Group-I with their corresponding nomenclature in Group–II(3) Squint 
(S)    Match the specially shaped bricks in Group-I with their corresponding nomenclature in Group–II(4) Double cant 
 (5) Plinth stretcher 
Select the statement(s) which are NOT correct with respect to burnt clay bricks.
As per the CPWD Specifications (2019), the material used for cleaning marble flooring after polishing is \underline{\hspace{1cm}}.