SL38 CIVIL ENGINEERING MCQ AND SHORT TYPE QUESTION ANSWER

STUDY LESSON:-38 [CIVIL ENGINEERING]

For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose

1. Due to the presence of excess carbonaceous matter and sulpher in brick clay the defect observed is called ________

2. The black core in brick work causes due to the presence of ________

3. Lime used for plastering are usually __________

4. Knots are the weakness of ________ when it is subjected to compression

a) steel b) timber c) concrete d) none of these

5. The increase in volume of a concerned mass of a sand caused by the presence of moisture is known as

a) Efflorescence b) Shrinkage c) Bulking d) Swelling

6. Heart shake, Wane, Ringdall, Brown rot these are the types of __________

7. The minimum strength of a common building bricks should be_________

a) 2.5 Mpa b) 3 Mpa c) 3.5Mpa d) 4Mpa

8. Efflorescence in a brick surface is caused by the presence of __________

9. A good brick earth should contain ________ of silica.

a) 20 to 30% b) 40 to 50% c) 50 to 60% d) 70 to 80%

10. _________ acts as a flux in the klin during burning and they causes the bricks to fuse, twist and wrap.

Answers:-

1.Bloating

2. bituminous matter and carbon

3. Fat lime or hydraulic lime

4. b) timber

5. c) Bulking

6. Defects in timber

7. c) 3.5Mpa

8. Soul-able salts

9. c) 50 to 60%

10. Alkalies

Civil-Knowledge-Hub Admin

Author Description!

Get Free Email Updates to your Inbox!