Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / 2h (S₁ - S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism is an assemblage of Four or more than four links Two links All of these Three links Four or more than four links Two links All of these Three links 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 Angular velocity of journal Magnitude of the forces on journal Radius of journal Clearance between journal and bearing Angular velocity of journal Magnitude of the forces on journal Radius of journal Clearance between journal and bearing 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 directly proportional to the normal force. The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. All of these The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. 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 clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as None of these Tractive force Swaying couple Hammer blow None of these Tractive force Swaying couple Hammer blow ANSWER DOWNLOAD EXAMIANS APP
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