Correct answer
D. Necessity
Explanation
The correct answer is Necessity.
Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below?
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than________?
Gradually varied flow is________?
What is defined as the certificate of indebtedness of corporation usually for a period not less than 10 years and guaranteed by a mortgage on certain assets of a corporation?
The uplift pressure on the face of a drainage gallery in a dam is taken as________?
The pressure exerted by________?