Construction Materials

41) Mica, mainly, is composed of

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potassium and aluminium silicate

42) Quartzite is a

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siliceous rock

43) Which of the following has the lowest crushing strength

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laterite

44) Find the one which is not used in quarrying

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marble powder

45) Which of the following rocks accepts good polishing?

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Marble

46) Which of the following is a volcanic type of rock?

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Basalt

47) Which of the following is the parent rock of marble?

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Limestone

48) A good building stone should not absorb water more than

49) The important test to be conducted on a stone used in docks and harbours is

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weight test

50) Jumper is a tool used for

Discuss in Comment

quarrying of stones

Subject Notes

Objective Box

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