Chemical Process
Which of the following impurities in feed water for high pressure boiler is the most detrimental?

Suspended salt
Dissolved salt
Dissolved oxygen
Silica

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

All of these
Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant
Has a longer life and is not poisoned by arsenic
Gives higher conversion efficiency

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Pick out the wrong statement. Iodine value of an oil or fat is

The number of grams of iodine taken up by 100 gm of oil or fat
Helpful in findings its adulteration & its suitability for making soap
A measure of its unsaturation
Independent of the type of oil, whether it is drying or non-drying

ANSWER DOWNLOAD EXAMIANS APP