Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²D3n/d4N 4WD²n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4W²D3n/d4N 4WD²n/d4N 4W²D3n²/d4N 4W²Dn/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S – F Q = S × F Q = S + F Q = F – S Q = S – F Q = S × F Q = S + F Q = F – S 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 compressive stress at the section Depth of the neutral axis Depth of the section Maximum tensile stress at the section Maximum compressive stress at the section Depth of the neutral axis Depth of the section Maximum tensile stress at the section ANSWER DOWNLOAD EXAMIANS APP
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 411 N mm 511 N mm 711 N mm 611 N mm 411 N mm 511 N mm 711 N mm 611 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 1.25 1 1.5 2.5 1.25 1 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to Angle of twist Reciprocal of the length of the shaft Modulus of rigidity Moment of inertia of the shaft section Angle of twist Reciprocal of the length of the shaft Modulus of rigidity Moment of inertia of the shaft section ANSWER DOWNLOAD EXAMIANS APP
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