Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Kinematic friction Rolling friction Sliding friction Limiting friction Kinematic friction Rolling friction Sliding friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω ω/2π 2π/ω 2π × ω π/ω ω/2π 2π/ω 2π × ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is minimum in the start and maximum at the end Is constant at every instant Is maximum in the start and minimum at the end Varies from point to point Is minimum in the start and maximum at the end Is constant at every instant Is maximum in the start and minimum at the end Varies from point to point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 400 50 100 200 400 50 100 200 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as Principle of independence of forces Principle of transmissibility of forces None of these Principle of resolution of forces Principle of independence of forces Principle of transmissibility of forces None of these Principle of resolution of forces 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] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) ANSWER DOWNLOAD EXAMIANS APP
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