A beam has a triangular cross-section, having altitude ”h” and base “b”. If the section is being subjected to a shear force “F”. Calculate the shear stress at the level of neutral axis in the cross section.
a) 4F/5bh
b) 4F/3bh
c) 8F/3bh
d) 3F/4bh
Q.2.
The maximum shear stress in the rectangular section is ______________ times the average shear stress.
a) 3/4
b) 3/7
c) 5/3
d) 3/2
Q.3.
The modular ratio for Mgrade concrete is _____________
a) 16
b) 13
c) 11
d) 07
Q.4.
In doubly reinforced beam, the maximum shear stress occurs ______________
a) along the centroid
b) along the neutral axis
c) on the planes between neutral axis and tensile reinforcement
d) on the planes between neutral axis and compressive reinforcement
Q.5.
A cylindrical section having no joint is known as _______________
a) Proof section
b) Seamless section
c) Target section
d) Mown section
Q.6.
The efficiency of cylindrical section is the ratio of the strength of joint to the strength of _______________
a) Solid plate
b) Boilerplate
c) Circumferential plate
d) Longitudinal plate
Q.7.
Calculate the modulus of section for a hollow circular column of external diametermm andmm thickness.
a) 170 m
b) 190 m
c) 250 m
d) 300 m
Q.8.
Determine the modulus of a section for an I section, given the distance from neutral axis ismm and moment of inertia is 2.8×mm4.
a) 59m
b) 51m
c) 58m
d) 63m
Q.9.
A circular Beam of 0.m diameter is subjected to you shear force ofkN. Calculate the value of maximum shear stress. [Take area =m2].
a) 0.75 N/mm2
b) 0.58 N/mm2
c) 0.73 N/mm2
d) 0.65 N/mm2
Q.10.
The maximum shear stress distribution is _____________ percentage more than average shear stress in circular section.
a) 54 %
b) 60 %
c) 33 %
d) 50 %
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