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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements :
A : In masonry, bricks are joined together by cement mortar.
B : Cement mortar adheres more effectively to brick surface than any other material.

A both A and R are true and R is the correct explanation of A

B both A and R are true but R is not the correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:D - A is false but R is true

Option D is correct because bricks are joined by either Cement mortar & red soil, not only in CM.