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Building Materials MCQ

1. Pick up the polymineralic rock from the following:

Magnesite

Pure gypsum

None of these.

Quartz sand

Granite

Answer

Correct Answer: Granite

Note: This Question is unanswered, help us to find answer for this one

2. Wrought iron contains carbon about

1.5% to 5.5%

0.5% to 1.75%

None of these.

0.1% to 0.25%

Answer

Correct Answer: 0.1% to 0.25%

Note: This Question is unanswered, help us to find answer for this one

3. Ultimate strength to cement is provided by

Di-calcium silicate

Tetra calcium alumino ferrite.

Tricalcium silicate

Tri-calcium aluminate

Answer

Correct Answer: Di-calcium silicate

Note: This Question is unanswered, help us to find answer for this one

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

Volcanic rocks

Plutonic rocks

Hypabyssal rocks

Igneous rocks.

Answer

Correct Answer: Plutonic rocks

Note: This Question is unanswered, help us to find answer for this one

5. Select clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

None of these.

The summer

The winter

The monsoon

Answer

Correct Answer: The monsoon

Note: This Question is unanswered, help us to find answer for this one

6. Clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

None of these.

The summer

The winter

The monsoon

Answer

Correct Answer: The monsoon

Note: This Question is unanswered, help us to find answer for this one

7. Quartzite is a

Silicious rock.

Calcareous rock

Argillaceous rock

Metamorphic rock

Answer

Correct Answer: Silicious rock.

Note: This Question is unanswered, help us to find answer for this one

8. Pick up the hypabyssal rock from the following:

Granite

Basalt

Dolerite

All these

Answer

Correct Answer: Dolerite

Note: This Question is unanswered, help us to find answer for this one

9. In a mortar, the binding material is

Cement

Cinder.

Surkhi

Sand

Answer

Correct Answer: Cement

Note: This Question is unanswered, help us to find answer for this one

10. Depending on the chemical composition and mechanical properties, iron may be classified as

Cast iron

Wrought iron

Steel

All these.

Answer

Correct Answer: Wrought iron

Note: This Question is unanswered, help us to find answer for this one

11. Variety of pig iron used for manufacture of wrought iron, is

White forge pig

Bessemer pig

Grey or foundry pig

Mottled pig.

Answer

Correct Answer: White forge pig

Note: This Question is unanswered, help us to find answer for this one

12. The variety of pig iron used for manufacture of wrought iron, is

Mottled pig.

White forge pig

Bessemer pig

Grey or foundry pig

Answer

Correct Answer: White forge pig

Note: This Question is unanswered, help us to find answer for this one

13. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

Bessemer pig

White or forge pig

Grey or foundry pig

Mottled pig.

Answer

Correct Answer: White or forge pig

Note: This Question is unanswered, help us to find answer for this one

14. In the method of condensation polymerization,

Low-molecular substances are removed from the high molecular substance

The reaction proceeds with an evolution of hydrogen chloride

The reaction proceeds with an evolution of ammonia

All these.

Answer

Correct Answer: All these.

Note: This Question is unanswered, help us to find answer for this one

15. Bitumen in

Fluid state, is called petroleum

Solid state, is called asphalt

All these

Semi fluid state, is called mineral tar

Answer

Correct Answer: All these

Note: This Question is unanswered, help us to find answer for this one

16. Which one of the following is acid resistant asbestos:

Actinolite asbestos

All these

Amosite asbestos

Crocidolite asbestos

Anthophylite asbestos

Answer

Correct Answer: All these

Note: This Question is unanswered, help us to find answer for this one

17. In the cement the compound quickest to react with water, is

Tricalcium silicate

Dicalcium silicate.

Tetra-calcium alumino-ferrite

Tricalcium aluminate

Answer

Correct Answer: Tricalcium aluminate

Note: This Question is unanswered, help us to find answer for this one

18. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

The winter

The summer

None of these.

The monsoon

Answer

Correct Answer: The monsoon

Note: This Question is unanswered, help us to find answer for this one

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