1-61. Which of the following factors is NOT
an advantage of using acid to clean a
1. Less outage time is required
2. Less dismantling of the unit
3. Performs a more through job
4. Less safety equipment required
1-62. Which of the following types of acid
is frequently used for cleaning boilers?
1-63. What type of acid is used to remove
boiler waterside deposits?
1-64. When inhibitors are not added, acid
solutions attack boiler metal as readily
as they attack the deposits.
1-65. Of the following chemical solutions,
which one is NOT a neutralizing