Theory of Structures The point of contraflexure is the point where S.F. is zero M. changes sign M. is maximum M. is minimum S.F. is zero M. changes sign M. is maximum M. is minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 5.5 mm 4.5 mm 5.0 mm 4.0 mm 5.5 mm 4.5 mm 5.0 mm 4.0 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A masonry dam (density = 20,000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be 750 N/m² 75 N/m² 7500 N/m² 75000 N/m² 750 N/m² 75 N/m² 7500 N/m² 75000 N/m² 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 Composite beam gets subjected to a couple Steel experiences tensile force Brass experiences compressive force All of these Composite beam gets subjected to a couple Steel experiences tensile force Brass experiences compressive force All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum principal stress theory for the failure of a material at elastic point, is known Guest's or Trecas' theory Von Mises' theory Rankine's theory St. Venant's theory Guest's or Trecas' theory Von Mises' theory Rankine's theory St. Venant's theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is (1 – g/f)/A [W (1 + f/ G)]/ A [W (2 + g/f)]/A [W (2 + f/G)]/A (1 – g/f)/A [W (1 + f/ G)]/ A [W (2 + g/f)]/A [W (2 + f/G)]/A ANSWER DOWNLOAD EXAMIANS APP