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Mechanical Engineering · all questions

Theory Of Machine
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Angle of ascent of cam is defined as the angle

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Angle of descent of cam is defined as the angle

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Angle of dwell of cam is defined as the angle

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Cam angle is defined as the angle

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A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

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The relation between number of links () and number of joints (j) in a kinematic chain is

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The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

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When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

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Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

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In a steam engine, the link constitutes a

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The component of the acceleration, parallel to the velocity of the particle, at the given instant is called

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The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

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The two elements of a pair are said to form a _________ when they permit relative motion between them.

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The primary unbalanced force is maximum _________ in one revolution of the crank.

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The secondary unbalanced force is maximum __________ in one revolution of the crank.

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Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts?

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If some links are connected such that motion between them can take place in more than one direction, it is called

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The frequency of oscillation of a torsional pendulum is

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If the number of links in a mechanism is equal to , then the numbers of possible inversions are equal to

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The unbalanced force due to reciprocating masses

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