Question

Write true or false.
2. While laying concrete slabs on the floor tiny gaps are left so as to provide for the cubical expansion.​

Answer 1

Explanation:

The concrete slabs undergo thermal expansion during summer. The gap allows space for this expansion. If these gaps were not left, the concrete slabs would crack during summer due to thermal expansion.

Answer 2

Explanation:

TrueWhile laying concrete slabs on the floor tiny gaps are left so as to provide for the cubical expansion.