A. both ends hinged
B. both ends fixed
C. one end fixed and other end hinged
D. one end fixed and other end free
✅ The correct answer is option C.
Design of Concrete Structures MCQs
As compared to ordinary portland cement, use of pozzuolanic cement_______________?
A. reduces workability
B. increases bleeding
C. increases shrinkage
D. increases strength
✅ The correct answer is option C.
The slab is designed as one way if the ratio of long span to short span is_____________?
A. less than 1
B. between 1 and 1.5
C. between 1.5 and 2
D. greater than 2
✅ The correct answer is option D.
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?
A. tcr – rcs = tct
B. fcr>fcs>fc
C. fcr
D. fc5>fcr>fC
✅ The correct answer is option B.
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called________________?
A. segregation
B. bleeding
C. bulking
D. creep
✅ The correct answer is option B.
Poisson’s ratio for concrete_______________?
A. remains constant
B. increases with richer mixes
C. decreases with richer mixes
D. none of the above
✅ The correct answer is option B.
In case of hand mixing of concrete, the extra cement to be added is__________________?
A. 5%
B. 10%
C. 15%
D. 20%
✅ The correct answer is option B.
Admixtures which cause early setting, and hardening of concrete are called_______________?
A. workability admixtures
B. accelerators
C. retarders
D. air entraining agents
✅ The correct answer is option B.
For the design of retaining walls, the minimum factor of safety against overturning is taken as_____________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0
✅ The correct answer is option B.
The effect of creep on modular ratio is__________________?
A. to decrease it
B. to increase it
C. either to decrease or to increase it
D. to keep it unchanged
✅ The correct answer is option B.