Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation ω² (l sin ϕ + r cos φ tan θ) ω (l sin ϕ + r cos ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ω² (l cos ϕ + r sin ϕ tan θ) ω² (l sin ϕ + r cos φ tan θ) ω (l sin ϕ + r cos ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ω² (l cos ϕ + r sin ϕ tan θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Before impact is equal to that after impact Remain constant Before impact is less than that after impact Before impact is more than that after impact Before impact is equal to that after impact Remain constant Before impact is less than that after impact Before impact is more than that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Concurrent coplanar force system Non-concurrent coplanar force system Any coplanar force system A system of parallel forces only Concurrent coplanar force system Non-concurrent coplanar force system Any coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be 30° 45° 60° None of these 30° 45° 60° None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The shape of a suspended cable under its own weight, is Elliptical Circular Parabolic Catenary Elliptical Circular Parabolic Catenary ANSWER DOWNLOAD EXAMIANS APP