Challenger App
Home
Exams
Questions
Quiz
Notes
Blog
Contact Us
e-Book
×
Home
Exams
▼
Questions
Quiz
Notes
Blog
Contact Us
e-Book
Home
/
Questions
/
Building Materials and Construction
/
Stone, Brick, Tiles, Cement, Lime and filler materials
No.1 PSC Learning App
★
★
★
★
★
1M+ Downloads
Get App
The porosity of a good building stone should not be greater than
A
4%
B
5%
C
10%
D
20%
Answer:
B. 5%
Related Questions:
Composition of brick earth alumina or clay
The overlapping distance recommended for Asbestos cement roofing, along the length of the sheet is
Refractory bricks resist
Soundness of Cement is measured by
A triangular portion of the brick through width and making an angle of 45 with length of the brick is: