Theory of Machine The train value of a gear train is Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) tanα = c/2b cosα = c/b sinα = b/c cotα = c/2b tanα = c/2b cosα = c/b sinα = b/c cotα = c/2b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as Completely constrained motion Successfully constrained motion None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion None of these Incompletely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Grasshopper mechanism Tchebicheff mechanism Watt mechanism Peaucellier's mechanism Grasshopper mechanism Tchebicheff mechanism Watt mechanism Peaucellier's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP
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