Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Working depth Dedendum Clearance Addendum Working depth Dedendum Clearance Addendum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) Not possible to determine with these data ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π π/ω 2π/ω ω × 2π ω/2π π/ω 2π/ω ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ None of these m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Span of shaft All of the listed here Diameter of disc Eccentricity Span of shaft All of the listed here Diameter of disc Eccentricity ANSWER DOWNLOAD EXAMIANS APP