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 sinφ r tanφ r cosφ (r/2) cosφ r sinφ r tanφ r cosφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 0° and 90° 135° and 315° 270° and 360° 90° and 180° 0° and 90° 135° and 315° 270° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Cylindrical pair Rolling pair Sliding pair Turning pair Cylindrical pair Rolling pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πk/r. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) r/2πk. √(g/l) 2πk/r. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) r/2πk. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. Less than None of these More than Same as Less than None of these More than Same as ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston ANSWER DOWNLOAD EXAMIANS APP
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