Theory of Machine In higher pair, the relative motion is Combination of sliding and turning Purely rotary Purely sliding Purely turning Combination of sliding and turning Purely rotary Purely sliding Purely turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ + ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ + ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Rolling Sliding Turning Screw Rolling Sliding Turning Screw ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω(R - r₁) cosθ ωr₁ sinθ ω(R - r₁) sinθ ωR cosθ ω(R - r₁) cosθ ωr₁ sinθ ω(R - r₁) sinθ ωR cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link Can’t occur Right side pivot of this link A point obtained by intersection on extending adjoining links Left side pivot of this link Can’t occur Right side pivot of this link A point obtained by intersection on extending adjoining links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Permanent instantaneous centers Fixed instantaneous centers None of these Neither fixed nor permanent instantaneous centers Permanent instantaneous centers Fixed instantaneous centers None of these Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
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