+91-9828-747676
Question
The nominal cover to meet the requirements of durability for M45 grade concrete under various exposure condition is given below:
Exposure                             Minimum nominal
                                               cover (mm)
A. Mild                                 1. 40
B. Severe                              2. 45
C. Very severe                      3. 50
                                            4. 20
 
Codes:
A    B    C
A.
4    1    2
B.
1    2    3
C.
4    2    3
D.
4    1    3
Answer ( Option A)

4    1    2

Solution

As per IS-456 (Given M45 grade of concrete)
Note: If M35 and above grade of concrete is used in beam and slab then in severe and very severe condition 5 mm reduction can be made in minimum nominal cover.

Popular Online Test Serie

Preparing students for success in a changing World.

RPSC-AE

RPSC-AE
RSSB-JE

RSSB-JE
SSC-JE

SSC-JE
RRB-JE/SSE

RRB-JE/SSE
RSEB-JE/AE

RSEB-JE/AE
DRDO CEPTAM -10 (STA-B)

DRDO CEPTAM -10 (STA-B)

ISRO Scientist Engineer

ISRO Scientist Engineer
View All

Online Classes

We care about our students

View More


banner
banner
banner
banner
banner
Online Classes
Register Now
Test Series
Register Now
Job Notification
Job Notification

Daily Quiz

RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's