HYDRAULICS AND FLUID MECHANICS IN ME QUIZ

Hard coke is manufactured from

Lignite

Bituminous coal

Semi-anthracite

Anthracite

TRUE ANSWER : ?
YOUR ANSWER : ?

Fossil fuels mean

Liquid fuels

Premature fuels with low calorific value

Solid fuels

Those fuels which are found in the crust of earth

TRUE ANSWER : ?
YOUR ANSWER : ?

If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as

N₂

SO₂

O₂

CO

TRUE ANSWER : ?
YOUR ANSWER : ?

The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal.

Fast & slow

Slow & low

Slow & high

Fast & high

TRUE ANSWER : ?
YOUR ANSWER : ?

Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

Bog iron (i.e., moist ferric hydroxide)

Basalt

Diatomaceous earth

Silica gel

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ prohibits the use of alcohols directly in petrol engines.

Low flash point

Low calorific value

High cost & availability

Low octane number

TRUE ANSWER : ?
YOUR ANSWER : ?

In high temperature carbonisation of coal compared to low temperature carbonisation

Yield of ammonia is less

H₂ content in the coke oven gas is more

Calorific value of the coke oven gas is lower

Aromatic content of tar is low

TRUE ANSWER : ?
YOUR ANSWER : ?

Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen.

1kg mole

32 kg

22.4 Nm³

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a primary fuel?

Natural gas

Gasoline

Blast furnace coke

Wood charcoal

TRUE ANSWER : ?
YOUR ANSWER : ?

Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind?

85

100

70

50

TRUE ANSWER : ?
YOUR ANSWER : ?

↑