Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosφ sinφ cosecφ secφ cosφ sinφ cosecφ secφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. A convex flank is always in contact with concave flank. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πr/k. √(g/l) 2πk/r. √(g/l) r/2πk. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) 2πk/r. √(g/l) r/2πk. √(g/l) r/2πk. √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Second's pendulum Torsional pendulum Compound pendulum Simple pendulum Second's pendulum Torsional pendulum Compound pendulum Simple pendulum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Band and block brake Shoe brake Band brake Internal expanding brake Band and block brake Shoe brake Band brake Internal expanding brake ANSWER DOWNLOAD EXAMIANS APP