Theory of Structures A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 711 N mm 511 N mm 411 N mm 611 N mm 711 N mm 511 N mm 411 N mm 611 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by Maximum tensile stress at the section Depth of the neutral axis Depth of the section Maximum compressive stress at the section Maximum tensile stress at the section Depth of the neutral axis Depth of the section Maximum compressive stress at the section ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where S.F. is zero M. is maximum M. is minimum M. changes sign S.F. is zero M. is maximum M. is minimum M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised Steel experiences tensile force Composite beam gets subjected to a couple All of these Brass experiences compressive force Steel experiences tensile force Composite beam gets subjected to a couple All of these Brass experiences compressive force ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 150 N/mm² 120 N/mm² 100 N/mm 2 80 N/mm² 150 N/mm² 120 N/mm² 100 N/mm 2 80 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is 45° 30° 60° 90° 45° 30° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
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