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 mortarI had been asked this question in semester exam.My doubt stems from Bricks in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials

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

1.	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 mortarI had been asked this question in semester exam.My doubt stems from Bricks in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials
Answer» 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.

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