WBBSE Madhyamik Vocational Construction Practice Questions - West Bengal Board Class 10 Secondary Vocational Examination Construction (Masonry Trade - NSQF Level 2) Exam

What is the primary function of the depression (frog) provided on the top face of a standard clay brick?

To decrease the total weight of the brick To form a mortar key for locking adjacent brick layers To indicate the manufacturing date of the brick To allow rapid evaporation of water during firing

Correct Answer:

To form a mortar key for locking adjacent brick layers

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