Question

In hollow clay blocks used for clay block partition walls ___________ serve as a key to plaster.

(a) Grooves

(b) Frog

(c) Arris

(d) Kick

Answer 1

Correct option is (a) Grooves

Explanation: In hollow clay blocks used for clay block partition walls, grooves serve as a key to plaster. Grooves are provided on the top, bottom and sides of the blocks. A frog is an indentation in the brick for holding the mortar. An arris is an edge of a brick. A kick is another term used for a frog.