Theory of Machine The lower pairs are _________ pairs. Force-closed Friction closed None of these Self-closed Force-closed Friction closed None of these Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (3/4) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα (3/4) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by (where μ = tan φ = Coefficient of friction between the plane and the body) P = W tan (α + φ) P = W tan α P = W (cos α + μ sin α) P = W (sin α + μ cos α) P = W tan (α + φ) P = W tan α P = W (cos α + μ sin α) P = W (sin α + μ cos α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding 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 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body is subjected to transverse vibrations, the stress induced in a body will be Compressive stress Shear stress Tensile stress Bending stress Compressive stress Shear stress Tensile stress Bending stress ANSWER DOWNLOAD EXAMIANS APP