Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 5 10 40 20 5 10 40 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine 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.) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of the vertical components of all the forces should be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which do not meet at one point and their lines of action do not lie on the same plane are known as Coplanar concurrent forces Non-coplanar concurrent forces None of these Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces None of these Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
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