Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The time period of a simple pendulum depends on (i) Mass of suspended particle (ii) Length of the pendulum (iii) Acceleration due to gravity Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of force in C.G.S. system of units, is called Newton Kg All of these Dyne Newton Kg All of these Dyne ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 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 bh³/2 bh³/3 bh³/36 b³h/12 bh³/2 bh³/3 bh³/36 ANSWER DOWNLOAD EXAMIANS APP
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 may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be 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 are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero ANSWER DOWNLOAD EXAMIANS APP