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Front

 In cooling water test, how much water sample is tested for chloride?

Back

50 ml

Front

 How many nitrite no.1tablets are to be added to the cooling water test?

Back

2

Front

 What does it mean when during the cooling water test, you get a chloride test result of 150 ppm?

Back

Correct answer: It means that there is possibility of seawater penetrating into the cooling water system.

Front

 How to calculate the amount of chloride in the boiler water?

Back

Correct answer: (number of tablets x 20) - 20

Front

 How to calculate the amount of chloride in the boiler water if chloride content is lower?

Back

Correct answer: (number of tablets x 10) - 10

Front

 What is the best course of action if the test result for chloride is out of limit?

Back

Correct answer: To find the source of chloride and fix it first.

Front

 How to determine the amount of chloride in the cooling water?

Back

Correct answer: (Total number of tablets x 20) -20

Front

 What treatment is needed if the test result for chloride is out of limit considering that the source is already found and rectified?

Back

Correct answer: Partially replace cooling water.

Front

What does an atomic number of periodic table of elements mean?

Back

Correct answer: number of neutrons

Front

what part of the atom has the highest energy level?

Back

correct answer: The outer most electron