A pre-stressed concrete member__________________?
(A) Is made of concrete
(B) Is made of reinforced concrete
(C) Is stressed after casting
(D) Possesses internal stresses
A flat slab is supported_______________?
(A) On beams
(B) On columns
(C) On beams and columns
(D) On columns monolithically built with slab
A foundation is called shallow if its depth, is________________?
(A) One-fourth of its width
(B) Half of its width
(C) Three-fourth of its width
(D) Equal to its width
Post tensioning system_______________?
(A) Was widely used in earlier days
(B) Is not economical and hence not generally used
(C) Is economical for large spans and is adopted now a days
(D) None of these
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than________________?
(A) b/3
(B) b/4
(C) b/5
(D) b/6
Steel beam theory is used for_______________?
(A) Design of simple steel beams
(B) Steel beams encased in concrete
(C) Doubly reinforced beams ignoring compressive stress in concrete
(D) Beams if shear exceeds 4 times allowable shear stress
The live load to be considered for an inaccessible roof, is______________?
(A) Nil
(B) 75 kg/m2
(C) 150 kg/cm 2
(D) 200 kg/m2
In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
(A) Less loaded column
(B) More loaded column
(C) A point of the maximum shear force
(D) A point of zero shear force
Piles are usually driven by________________?
(A) Diesel operated hammer
(B) Drop hammer
(C) Single acting steam hammer
(D) All the above
If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is__________________?
(A) 28 d
(B) 38 d
(C) 48 d
(D) 58 d