Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

A

C

B

CO

C

CO₂

D

H₂

Sycon (Scypha), Spongilla (Fresh water sponge) and Euspongia (Bath sponge) are examples of which Phylum?

A

Coelenterata

B

Platyhelminthes

C

Ctenophora

D

Porifera

Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.

A

Unsaturated hydrocarbon content

B

Calorific value

C

Quantity of propane

D

Quantity of butane

Which of the following reactions is undesirable in the production of catalytically reformed gasoline?

A

Dehydrogenation of naphthene

B

Dehydrogenation of lower paraffins

C

Dehydrocyclisation of higher paraffins

D

Isomerisation of paraffins

India's forest sponge iron plant is at

A

Kothagudam

B

Kurnool

C

Kadapa

D

Kavaratti

The main reducing agent in iron blast furnace is

A

Carbon dioxide

B

Carbon monoxide

C

Oxygen

D

Air

One-word substitution for: 'One who cannot be changed or reformed' is-

A

Hesitant

B

Vulnerable

C

Incorrigible

D

Incurable

Octane number (unleaded) of reformed gasoline may be upto

A

60

B

70

C

80

D

90

The manufacture of iron from iron ore involves the process of

A

Oxidation

B

Reduction

C

Fractional distillation

D

Electrolysis

The manufacturing of iron from iron ore involves the process of

A

Oxidation

B

Reduction

C

Electrolysis

D

Fractional distillation

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

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