Civil Engineering - Mock Test 12

Question 111

The dressing of stone is done?

A) immediately after quarrying B) after seasoning C) after three months of quarrying D) just before building

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Question 112

The most powerful explosive used in blasting is?

A) blasting power B) dynamite C) gun cotton D) cordite

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Question 113

When quarrying is to be done in hard stone and compact rocks, the usual method of quarrying is?

A) by wedging B) by channelling machine C) by blasting D) all of these

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Question 114

The quarrying of stone by the method of wedging is successfully carried out in?

A) sandstones B) limestones C) marbles D) all of these

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Question 115

For railway ballast, the stone should be?

A) soft with a uniform texture B) hard, heavy, strong and durable C) hard, tough, resistant to abrasion and durable D) hard, dense, durable, tough and easily workable

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Question 116

The silicious sandstone which has been subjected to metamorphic action, is called?

A) moorum B) laterite C) quartzite D) dolomite

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Question 117

The specific gravity of sandstone is?

A) 1.1 to 1.8 B) 1.8 to 2.65 C) 2.65 to 2.95 D) 2.95 to 3.4

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Question 118

The compressive strength of sandstone is?

A) 40 MN/m2 B) 55 MN/m2 C) 65 MN/m2 D) 80 MN/m2

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Question 119

A limestone containing about 30% of alumina and silica is called?

A) granular limestone B) compact limestone C) magnesium limestone D) kankar

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Question 120

A limestone found in seams of great thickness in non-crystalline texture with earthy appearance, is called?

A) granular limestone B) compact limestone C) magnesium limestone D) lankar

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