Theory of Machine The periodic time of one oscillation for a simple pendulum is (1/2π). √(g/l) 2π. √(l/g) 2π. √(g/l) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(l/g) 2π. √(g/l) (1/2π). √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope Pantograph Valve and valve gears All of these Gyroscope Pantograph Valve and valve gears All of these 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 anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) 2r (ω₁ + ω₂) r (ω₁ - ω₂) r ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ + ω₂) r (ω₁ - ω₂) r ω₁.ω₂.r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n/2 n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Hartnell governor Porter governor Watt governor None of these Hartnell governor Porter governor Watt governor None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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