Question

Which of the following statements about a frog is not true?

(a) A frog is used to indicate the trade name of the manufacturer

(b) It is placed on raw bricks during moulding

(c) It is a mark of depth about 10-20 cm

(d) It serves as a key for holding mortar

Answer 1

Right option is (c) It is a mark of depth about 10-20 cm

To explain: A frog is used to indicate the trade name of the manufacturer. It is a mark of depth about 10-20 mm. It is placed on raw bricks during moulding and serves as a key for holding mortar.