Correct answer
A. allow free expansion
Explanation
The correct answer is allow free expansion.
Joule is the unit of________?
A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________?
Hydrometer is used to determine________?
Which one of the following statements is correct?
The stone suitable for rubble masonry should be________?
If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is________?