Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Pitch circle Addendum circle Clearance circle Dedendum circle Pitch circle Addendum circle Clearance circle Dedendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It transmits shocks gradually It is easy to disassemble It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to disassemble It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Oscillating Reciprocating All of these Rotating Oscillating Reciprocating All of these Rotating 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 between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as Completely constrained motion None of these Incompletely constrained motion Successfully constrained motion Completely constrained motion None of these Incompletely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
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