Question

Portland cement is not used in:

• A. manufacture of bricks
• B. manufacture of pipes, beams
• C. manufacture of railroad ties
• D. manufacture of rails

Answer 1

The correct option is D manufacture of rails

Portland cement is used in the manufacture of

-bricks

-pipes, beams

-railroad ties

But Portland cement is not used in the manufacture of rails. These rails are built of an alloy.