A. rounded
B. elongated
C. angular
D. all of the above
Related Mcqs:
- Workability of concrete is directly proportional to________________?
A. aggregate cement ratio
B. time of transit
C. grading of the aggregate
D. all of above - Workability of concrete is inversely pro¬portional to______________?
A. time of transit
B. ‘vater-cement ratio
C. the air in the mix
D. size of aggregate - For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be________________?
A. 0.75-0.80
B. 0.80-0.85
C. 0.85 – 0.92
D. above 0.92 - For a reinforced concrete section, the shape of shear stress diagram is_______________?
A. wholly parabolic
B. wholly rectangular
C. parabolic above neutral axis and rectangular below neutral axis
D. rectangular above neutral axis and parabolic below neutral axis - Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is_____________?
A. M15
B. M20
C. M 10
D. M25 - Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is_______________?
A. 28 liters
B. 30 liters
C. 32 liters
D. 34 liters - The fineness modulus of fine aggregate is in the range of______________?
A. 2.0 to 3.5
B. 3.5 to 5.0
C. 5.0 to 7.0
D. 6.0 to 8.5 - Admixtures which cause early setting, and hardening of concrete are called_______________?
A. workability admixtures
B. accelerators
C. retarders
D. air entraining agents - 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 - Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________?
A. 35 MPa and 42 MPa
B. 42 MPa and 35 MPa
C. 42 MPa and 53 MPa
D. 53 MPa and 42 MPa
