Vanadium steel is generally used for
...Vanadium steel is generally used for
railway switches and crossing
bearing balls
magnets
axles and springs
Correct answer is D
No explanation has been provided for this answer.
Initial setting time of cement for asbestos cement products should be not less than ...
The rocks formed by gradual deposition are called ...
In the method of condensation polymerization, ...
Pick up the correct statement from the following ...
For the manufacture of Portland cement, the proportions of raw materials used are ...
Wrought iron contains carbon about ...