Question 1:
Illustrate out the break-point chlorination.
Question 2:
Make a distinction between electrolytic and electrochemical cell.
Question 3:
Illustrate out the term electromotive series. Write down its importance.
Question 4:
Why steel screws in brass marine hardware corrode?
Question 5:
Provide any four pretreatment techniques of metal surfaces before coating.
Question 6:
Illustrate out the term RDX.
Question 7:
Illustrate out the term liquid propellant. Provide illustration.
Question 8:
Give a brief decapitation of antioxidant. Provide two examples.
Question 9:
Write down the use of the monosodium saccharin and glutamate.