Question

12.Metal rim is fixed to the wooden cart wheel by(a) heating metal rim(b) heating wooden wheel(c) cooling metal rim(d) cooling wooden wheel​

Answer 1

Answer:

(a) heating metal rim.

Explanation:

For fixing the metal rim on a wooden wheel of a cart. The metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel.

Answer 2

Answer:

(a) heating metal rim

Explanation:

For fixing the metal rim on a wooden wheel of a cart. The metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel.