Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half Two-third n times 1/n times One-half Two-third n times 1/n times ANSWER DOWNLOAD EXAMIANS APP
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/2) cosφ r cosφ r sinφ r tanφ (r/2) cosφ r cosφ r sinφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in Two planes Four planes Three planes A single plane Two planes Four planes Three planes A single plane ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Four bar chain mechanism Both (A) and (C) above Slider crank mechanism Quick return mechanism of shaper Four bar chain mechanism Both (A) and (C) above Slider crank mechanism Quick return mechanism of shaper ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Needle roller bearing Ball bearing Roller bearing Thrust bearing Needle roller bearing Ball bearing Roller bearing Thrust bearing ANSWER DOWNLOAD EXAMIANS APP