151. Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to
Shear force
Area of the section
Distance of the C.G. of the area from its neutral axis
Moment of the beam section about its neutral axis
Correct answer: (D) Moment of the beam section about its neutral axis
152. Pick up the incorrect statement from the following:
In the stem of a retaining wall, reinforcement is provided near the earth side
In the toe slab of a retaining wall, reinforcement is provided at the bottom of the slab
In the heel slab of a retaining wall, reinforcement is provided at the top of the slab
None of these
Correct answer: (D) None of these
153. Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam
Are curtailed if not required to resist the bending moment
Are bent up at suitable places to serve as shear reinforcement
Are bent down at suitable places to serve as shear reinforcement
Are maintained at bottom to provide at least local bond stress
Correct answer: (C) Are bent down at suitable places to serve as shear reinforcement
154. Pick up the true statement from the following:
Plain ceiling provides the best property diffusing light
In the absence of beams, it is easier to install piping
In the absence of beams, it is easier to paint
All the above
Correct answer: (D) All the above
155. Piles are usually driven by
Diesel operated hammer
Drop hammer
Single acting steam hammer
All the above
Correct answer: (D) All the above
156. Post tensioning system
Was widely used in earlier days
Is not economical and hence not generally used
Is economical for large spans and is adopted now a days
None of these
Correct answer: (D) None of these
157. Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
50 cm
75 cm
100 cm
120 cm
Correct answer: (B) 75 cm
158. Spacing of stirrups in a rectangular beam, is
Kept constant throughout the length
Decreased towards the centre of the beam
Increased at the ends
Increased at the centre of the beam
Correct answer: (D) Increased at the centre of the beam
159. Steel bars are generally connected together to get greater length than the standard length by providing
Straight bar splice
Hooked splice
Dowel splice
All the above
Correct answer: (D) All the above
160. Steel beam theory is used for
Design of simple steel beams
Steel beams encased in concrete
Doubly reinforced beams ignoring compressive stress in concrete
Beams if shear exceeds 4 times allowable shear stress