Question

Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I List-II
A. Serviceability 1. Sliding
B. Shear key 2. Deflection
C. Shrinkage 3. Cracking
D. Concrete spalling 4. Corrosion

Codes:
$ABCD$

• A. $1342$
• B. $2134$
• C. $1324$
• D. $2143$

Answer 1

The correct option is B $2134$

The shear key is provided in a retaining wall when it is not safe against sliding.
Spalling of concrete causes increase in volume of steel and thereby spalling of concrete.