Theory of Machine MCQ
Test your knowledge with important Theory of Machine MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Theory of Machine MCQs on Bissoy. Bissoy App
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When the particles of a body moves perpendicular to its axis, then the body is said to have
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When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than
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Shaft revolving in a bearing is the following type of pair
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Rectangular bar in a rectangular hole is the following type of pair
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A cam with a roller follower would constitute following type of pair
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With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by
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In a multiple V-belt drive, if one of the belts is broken, then we should replace
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At the nodal point in a shaft, the amplitude for torsional vibration will be
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Under logarithmic decrement, the amplitude of successive vibrations are
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The amplitude of vibration is always __________ the radius of the circle.
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According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on
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The transmissibility, for all values of damping factor, will be less than unity, if $$\frac{\omega }{{\omega {\text{n}}}}$$ is
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The secondary unbalanced force is __________ the primary unbalanced force.
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A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
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Kinematic pairs are those which have two elements that
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In under damped vibrating system, the amplitude of vibration
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A shaft carrying two rotors at its ends will have
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It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by
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Oldham’s coupling is an inversion of the kinematic chain used in
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The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)
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A disc is a spinning with an angular velocity $$\omega $$ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where $$I$$ = Mass moment of inertia of the disc and $$\omega {\text{P}}$$ = Angular velocity of precession of the axis of spin)
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Transmission angle is the angle between
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What is the number of instantaneous centers for an eight link mechanism?
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The sense of Coriolis component is such that it
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The stress induced in a body will be shear stress, when it is subjected to
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In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is
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The maximum or minimum value of the swaying couple is
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The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration.
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For fluctuating loads, well suited bearing is
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The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball and M = Mass on the sleeve)