Engineering Mechanics The unit of work in S.I. units is joule kg-m Newton erg joule kg-m Newton erg ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D × d D - d D / d D + d D × d D - d D / d D + d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/ 8 3r/4π 8r/3 4r/ 3π 3r/ 8 3r/4π 8r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Six times Nine times Four times Two times Six times Nine times Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Kinetic energy Strain energy Electrical energy Heat energy Kinetic energy Strain energy Electrical energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.) [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² ANSWER DOWNLOAD EXAMIANS APP