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Building Materials 

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QuestionNo.01 Which of the following has more fire resisting characteristics?

1. (A) Marble
2. (B) Limestone
3. (C) Compact sandstone
4. (D) Granite

Answer: Option C

QuestionNo.02 The rocks which are formed due to cooling of magma at a considerable depth from earth’s surface are called

1. (A) Plutonic rocks
2. (B) Hypabyssal rocks
3. (C) Volcanic rocks
4. (D) Igneous rocks

Answer: Option A

QuestionNo.03 Plywood has the advantage of

1. (A) Greater tensile strength in longer direction
2. (B) Greater tensile strength in shorter direction
3. (C) Same tensile strength in all directions
4. (D) None of the above

Answer: Option C