102/21

. An axial tensile force is acting on a body and normal strain in axial direction is
1.2 mm/m. If Poisson’s ratio is 0.32, what will be the columetric strain ?
A) 3.32 ‏4ء‎ 8) 4.32 x 104
©) 5.32 x 104 0) 6.32 x 104

. The major and minor principal stresses at a point are 2.5 MPa and - 2.0 MPa
respectively. The maximum shear force at the point is

A) Zero B) 0.25 MPa
C) 2.05 MPa D) 2.25 MPa

. Acantilever beam of 5 ന carries a uniformly distributed load of 10 kN/m throughout
the span. What is the maximum bending moment ?

A) 125 kNm 8) 150 kNm
0) 175 kNm D) 200 kNm

. Asimply supported beam of span / is subjected to a concentrated load of W at its
mid span and a uniformly distributed load of equality W. What is the total deflection
of the beam at midpoint ?

A) ۷۷۹/384 El 8) 5۷۷۹/384 ‏اع‎
‎©) 13W/9/384 El 0) 48w/9/384 ‏اع‎

. Slenderness ratio is the ratio of effective length to
A) Actual length B) Radius of gyration
C) Factor of safety D) Direct stress

. The fixed end moment of a uniform beam of span / and fixed at its ends subjected
to a uniformly distributed load of intensity w/unit length is
A) wi2/8 8) ۵ ©) ۵2 0) 2

. What is the maximum positive shear force at the quarter span at section C from
left end when a uniformly distributed load longer than the span of intensity 20 kN/m
crosses the span of 12 7
A) 50 kN B) 57.5 kN C) 60 kN D) 67.5 kN

~ The horizontal thrust of a two hinged arch which carries a uniformly distributed load
of w/unit run over its entire span. The span is / and rise h.

A) ۷۸ 8) 88/3 ©) ۱ D) 4wi?/h