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Question (21)

QN0037691

Why are most jute mills located along the Hugli River in West Bengal?

(A) It is close to aluminium mines.
(B) It provides favourable conditions for jute processing and transport.
(C) It is the largest iron ore producing region.
(D) It has the country's largest oil refinery.

Correct Answer: B

Explanation:

Jute mills are concentrated along the Hugli because of suitable raw material, water, transport and other locational advantages.

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Question (22)

QN0037692

The first jute mill in India was established at Rishra near Kolkata in:

(A) 1854
(B) 1855
(C) 1860
(D) 1870

Correct Answer: B

Explanation:

The first jute mill was established at Rishra near Kolkata in 1855.

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Question (23)

QN0037693

Steel production requires iron ore, coking coal and limestone approximately in the ratio 4:2:1. If a plant uses 40 tonnes of iron ore, how much coking coal is required according to this ratio?

(A) 5 tonnes
(B) 10 tonnes
(C) 20 tonnes
(D) 30 tonnes

Correct Answer: C

Explanation:

Ratio of iron ore to coal = 4:2 = 2:1. Therefore, 40 tonnes of iron ore require 20 tonnes of coking coal.

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Question (24)

QN0037694

If a steel plant requires 40 tonnes of iron ore in the ratio 4:2:1, how much limestone would be required?

(A) 5 tonnes
(B) 10 tonnes
(C) 20 tonnes
(D) 30 tonnes

Correct Answer: B

Explanation:

In the ratio 4:2:1, 40 tonnes of iron ore correspond to 10 tonnes of limestone.

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Question (25)

QN0037695

Iron and steel industries are called basic industries because:

(A) they produce only consumer goods
(B) many other industries depend on their products and machinery
(C) they use only agricultural raw materials
(D) they are always owned by the government

Correct Answer: B

Explanation:

Iron and steel supplies materials and machinery needed by heavy, medium and light industries.

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Question (26)

QN0037696

Why is the iron and steel industry considered a heavy industry?

(A) It employs only heavy machinery.
(B) Its raw materials and finished products are heavy and bulky.
(C) It produces only consumer goods.
(D) It uses no transport facilities.

Correct Answer: B

Explanation:

Heavy and bulky raw materials and finished products result in high transportation costs, making it a heavy industry.

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Question (27)

QN0037697

The Chhotanagpur Plateau has a high concentration of iron and steel industries mainly because of:

(A) proximity to high-grade raw materials and cheap labour
(B) its location near international airports only
(C) availability of cotton and jute
(D) absence of domestic markets

Correct Answer: A

Explanation:

The region has low-cost iron ore, nearby high-grade raw materials, cheap labour and growing market potential.

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Question (28)

QN0037698

Aluminium is widely used in aircraft manufacturing mainly because it is:

(A) very heavy and brittle
(B) light and corrosion-resistant
(C) easily damaged by heat
(D) more difficult to shape than steel

Correct Answer: B

Explanation:

Aluminium is light, corrosion-resistant, malleable and useful in aircraft and other products.

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Question (29)

QN0037699

An aluminium plant requires regular electricity and assured bauxite supply. If transport costs are high for both electricity-related inputs and raw materials, which factor becomes especially important in locating the plant?

(A) Availability of raw material and cheap power
(B) Distance from all markets
(C) Absence of transport facilities
(D) Availability of cotton

Correct Answer: A

Explanation:

Aluminium plants need assured raw material and regular electricity at minimum cost, so these factors strongly influence location.

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Question (30)

QN0037700

A chemical plant produces synthetic fibres, plastics, dyes and pharmaceuticals from petroleum-based raw materials. It belongs mainly to:

(A) organic chemical industry
(B) inorganic chemical industry
(C) agro-based industry
(D) iron and steel industry

Correct Answer: A

Explanation:

Synthetic fibres, plastics, dyes and pharmaceuticals are products of the organic chemical industry.

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Question (21)

Why are most jute mills located along the Hugli River in West Bengal?

Explanation:

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Question (22)

The first jute mill in India was established at Rishra near Kolkata in:

Explanation:

Link:

Question (23)

Steel production requires iron ore, coking coal and limestone approximately in the ratio 4:2:1. If a plant uses 40 tonnes of iron ore, how much coking coal is required according to this ratio?

Explanation:

Link:

Question (24)

If a steel plant requires 40 tonnes of iron ore in the ratio 4:2:1, how much limestone would be required?

Explanation:

Link:

Question (25)

Iron and steel industries are called basic industries because:

Explanation:

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Question (26)

Why is the iron and steel industry considered a heavy industry?

Explanation:

Link:

Question (27)

The Chhotanagpur Plateau has a high concentration of iron and steel industries mainly because of:

Explanation:

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Question (28)

Aluminium is widely used in aircraft manufacturing mainly because it is:

Explanation:

Link:

Question (29)

An aluminium plant requires regular electricity and assured bauxite supply. If transport costs are high for both electricity-related inputs and raw materials, which factor becomes especially important in locating the plant?

Explanation:

Link:

Question (30)

A chemical plant produces synthetic fibres, plastics, dyes and pharmaceuticals from petroleum-based raw materials. It belongs mainly to:

Explanation:

Link:

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