Theory of Structures A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber). BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd³)/4D] BD² + mbd²)/4D] BD³ + mbd³)/6D] BD² + mbd²)/6D] BD² + mbd³)/4D] ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix Its mean diameter will decrease All of these Its number of coils will increase It is subjected to pure bending Its mean diameter will decrease All of these Its number of coils will increase It is subjected to pure bending ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Rankine Perry Straight line formula Parabolic formula Rankine Perry Straight line formula Parabolic formula 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 511 N mm 711 N mm 411 N mm 611 N mm 511 N mm 711 N mm 411 N mm 611 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum strain theory for the failure of a material at the elastic limit, is known as St. Venant's theory Haig's theory Guest's or Trecas' theory Rankine's theory St. Venant's theory Haig's theory Guest's or Trecas' theory Rankine's theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The moment of inertia of a triangular section (height h, base b) about its base, is bh²/12 bh³/12 b³h/12 b²h/12 bh²/12 bh³/12 b³h/12 b²h/12 ANSWER DOWNLOAD EXAMIANS APP