Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l - 2 l l + 1 l - 1 l - 2 l l + 1 l - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Radius of journal Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 90° and 180° 270° and 360° 0° and 90° 135° and 315° 90° and 180° 270° and 360° 0° and 90° 135° and 315° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? The friction force is dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. All of these The friction force is dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. All of these 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.r (ω₁ - ω₂) 2r (ω₁ + ω₂) r (ω₁ - ω₂) r ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ + ω₂) r (ω₁ - ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 180° and 360° 0° and 90° Both (A) and (B) None of these 180° and 360° 0° and 90° Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
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