Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Mechanism Inversion Structure Machine Mechanism Inversion Structure Machine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used All of the listed here For applying tension For increasing velocity ratio For changing the direction of motion of the belt All of the listed here For applying tension For increasing velocity ratio For changing the direction of motion of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 4θ θ/2 2θ θ 4θ θ/2 2θ θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Secondary forces and couples must be balanced None of these Both (A) and (B) Primary forces and couples must be balanced Secondary forces and couples must be balanced None of these Both (A) and (B) Primary forces and couples must be balanced 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) [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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