Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force and resultant couple are always zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Virtual work Negative work None of these Imaginary work Virtual work Negative work None of these Imaginary work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The graphical method of determining the forces in the members of a truss is based on Either method Method of section None of the two methods Method of joint Either method Method of section None of the two methods Method of joint ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.The speeds of the objects are: 3 m/sec and 3 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 1/3 1/5 3/5 2/3 1/3 1/5 3/5 2/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is b³h/12 bh³/36 bh³/3 bh³/2 b³h/12 bh³/36 bh³/3 bh³/2 ANSWER DOWNLOAD EXAMIANS APP