If H is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be________________?

A. 5 cm
B. 7.5 cm
C. 10 cm
D. 15 cm

A. high shrinkage
B. less strength
C. both (A) and (B)
D. none of above

Select your answer according to the codes given below.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.

Select your answer according to codes given below.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not .the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.

i) foundation footing of a wall
ii) timber floor spanning on the wall and anchored to the wall
iii) RCC slab with a minimum bearing of 10 cm on the wall
select the correct statment.
A. (i) and (iii) are correct
B. (i) and (ii) are correct
C. (ii) and (iii) are correct
D. (i), (ii) and (iii) are correct

Select your answer according to the codes given below.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.