Applied Mechanics and Graphic Statics Total no of instantaneous centers of a machine having ‘n’ links, is (n - 1) n (n - 1)/2 n n/2 (n - 1) n (n - 1)/2 n n/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is l/√2 ½ l ¾ l 2/√3 l l/√2 ½ l ¾ l 2/√3 l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is 60 N 80 N 100 N 120 N 60 N 80 N 100 N 120 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.2 t 10.6 t 10.4 t 10.8 t 10.2 t 10.6 t 10.4 t 10.8 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Algebraic sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Algebraic sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° ANSWER DOWNLOAD EXAMIANS APP