Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant force is equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant couple is equal to zero Resultant force is equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant couple is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used For increasing velocity ratio For applying tension All of the listed here For changing the direction of motion of the belt For increasing velocity ratio For applying tension All of the listed here For changing the direction of motion of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that There is no critical speed in the system The system is critically damped The system is also statically balanced There will absolutely no wear of bearings There is no critical speed in the system The system is critically damped The system is also statically balanced There will absolutely no wear of bearings ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers Fixed instantaneous centers Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers Fixed instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁ + ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion of a shaft in a circular hole is an example of None of these Successfully constrained motion Completely constrained motion Incompletely constrained motion None of these Successfully constrained motion Completely constrained motion Incompletely constrained motion ANSWER DOWNLOAD EXAMIANS APP
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