Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Bevel gearing Spiral gearing Spur gearing Helical gearing Bevel gearing Spiral gearing Spur gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - cosθ) R (1 - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Along AO Parallel to OA At 45° to OA Perpendicular to OA Along AO Parallel to OA At 45° to OA Perpendicular to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L + 4 P = 2L - 2 P = 2L - 4 P = 2L + 2 P = 2L + 4 P = 2L - 2 P = 2L - 4 P = 2L + 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
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