Question

__________ colour indicated the seats of the loose pattern.

(a) Yellow strip on Red

(b) Black strip on Green

(c) Purple strip on Pink

(d) Red strip on Yellow

The question was posed to me by my school principal while I was bunking the class.

This intriguing question comes from BIS Colour Coding topic in division Casting Processes of Foundry and Forging

Answer 1

Right answer is (a) Yellow strip on Red

For explanation: The Loose piece pattern is the one in which there is one piece of solid part and has the projections which are formed with the help of loose pieces. These loose pieces are shown in yellow strips on red colour according to the BIS Colour code.