A. 600 mm
B. 750 mm
C. 900 mm
D. more than 1 m
Design of Concrete Structures
Increase in the moisture content in concrete_________________?
A. reduces the strength
B. increases the strength
C. does not change the strength
D. all of the above
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
The permissible diagonal tensile stress in reinforced brick work is_____________?
A. about 0.1 N/mm2
B. zero
C. 0.3 N/mm2 to 0.7 N/mm2
D. about 1.0 N/mm2
As compared to ordinary portland cement, high alumina cement has______________?
A. higher initial setting time but lower final setting time
B. lower initial setting time but higher final setting time
C. higher initial and final setting times
D. lower initial and final setting times
In a counterfort retaining wall, the main reinforcement is provided on the_______________?
1. bottom face in front counterfort
2. inclined face in front counterfort
3. bottom face in back counterfort
4. inclined face in back counterEort
The correct answer is
A. (1) and (ii),
B. (2) and (3)
C. (1) and (4)
D. (3) and (4)
The load factors for live load and dead load are taken respectively as_________________?
A. 1.5 and 2.2
B. 2.2 and 1.5
C. 1.5 and 1.5
D. 2.2 and 2.2
Stress strain curve of high tensile steel_______________?
A. has a definite yield point
B. does not show definite yield point but yield point is defined by 0.1% proof stress
C. does not show definite yield point but yield point is defined by 0.2% proof stress
D. does not show definite yield point but yield point is defined by 2% proof stress
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?
A. 100 mm
B. 150 mm
C. 200 mm
D. 250 mm
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is__________________?
A. 0.43 d
B. 0.55 d
C. 0.68 d
D. 0.85 d
