MCQOPTIONS
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| 1. |
Which of the following is NOT true about PVC pipes? |
| A. | They have no problem of incrustation |
| B. | They possess low coefficient of expansion as compared to cast-iron or galvanized-iron pipes |
| C. | They have good insulation properties hence the temperature of water passing through such pipes is not effected by outside temperature |
| D. | They possess high Hazen Williams Constant and it results into adaptation of smaller size of PVC pipes compared to other conventional materials |
| Answer» C. They have good insulation properties hence the temperature of water passing through such pipes is not effected by outside temperature | |