Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to sinφ cosφ cosecφ secφ sinφ cosφ cosecφ secφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to Vector difference of radial component and tangential component Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector difference of radial component and tangential component Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component 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 is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Magnification factor Damping coefficient Damping factor Logarithmic decrement Magnification factor Damping coefficient Damping factor Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the center of circle At the pin joint At the center of curvature On their point of contact At the center of circle At the pin joint At the center of curvature On their point of contact ANSWER DOWNLOAD EXAMIANS APP
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