MATERIALS AND CONSTRUCTION QUIZ

Which of the following is not a measure component necessarily to be present in fertilisers?

Nitrogen

Sulphur

Phosphorous

Potassium

TRUE ANSWER : ?
YOUR ANSWER : ?

HPO₃ is the chemical formula of __________ phosphoric acid.

None of these

Ortho

Meta

Pyro

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Highly explosive

Complex

Mixed

Highly hygroscopic

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?

Calcium nitrate

Urea

Ammonium sulphate

Calcium ammonium nitrate (CAN)

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the oxidation of ammonia is

Platinum-beryllium

Platinum-molybdenum

Platinum-rhodium

Cobalt-molybdenum

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in desulphurisation of naphtha is

Pt-Rh

Nickel

Co-Mo

Silica gel

TRUE ANSWER : ?
YOUR ANSWER : ?

In natural gas, the C/H ratio (by weight) varies in the range of

15-17

20-25

44053

43894

TRUE ANSWER : ?
YOUR ANSWER : ?

Rock phosphate used for the production of phosphatic fertiliser is mined at

Talchar (Orissa)

Kiriburu (Bihar)

Bailladella (M.P.)

Amjhor (Jharkhand)

TRUE ANSWER : ?
YOUR ANSWER : ?

In an ammonia plant, the purge off is essential to

Remove excess poisonous gases

Maintain inert gas concentration within a limit

Remove uncondensed ammonia vapour

Maintain H₂ : N₂ ratio at 3 :1

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is the most suitable fertiliser for paddy.

Potassium nitrate

Superphosphate

Urea

Ammonium sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

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