Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tanφ T = W.r tan(φ - α) T = W.r tanα T = W.r tan(φ + α) T = W.r tanφ T = W.r tan(φ - α) T = W.r tanα T = W.r tan(φ + α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a connecting link (excluding end points) of a double slider crank mechanism traces a Parabolic path Straight line path Hyperbolic path Elliptical path Parabolic path Straight line path Hyperbolic path Elliptical path ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 180° and 270° 270° and 360° 90° and 180° 45° and 225° 180° and 270° 270° and 360° 90° and 180° 45° and 225° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is Perpendicular to PO None of the listed here Along PO At 45° to PO Perpendicular to PO None of the listed here Along PO At 45° to PO 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 radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of tangential component and Coriolis component Vector difference of radial component and tangential component Vector sum of radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of tangential component and Coriolis component ANSWER DOWNLOAD EXAMIANS APP
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