Theory of Machine Elements of pairs held together mechanically is known as Rolling pair Open pair Closed pair Mechanical pair Rolling pair Open pair Closed pair Mechanical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, parallel to the velocity of the particle, at the given instant is called Coriolis component Tangential component None of these Radial component Coriolis component Tangential component None of these Radial component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a = 0 and b is +ve a is +ve and b is -ve a is +ve and b = 0 a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b is -ve a is +ve and b = 0 a is +ve and b is also +ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the center of drum, and n = Number of blocks) T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. Unpredictable Can be used None of these Can not be used Unpredictable Can be used None of these Can not be used ANSWER DOWNLOAD EXAMIANS APP