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Theory of machines
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q41 ⇒ An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has. 4 links [other wrong options] [Discuss in forum] 2 links 3 links 5 links |
Q42 ⇒ A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is. kinematic ally sound [other wrong options] [Discuss in forum] not sound soundness would depend upon which link is kept fixed data is not sufficient to determine same |
Q43 ⇒ If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be. less [other wrong options] [Discuss in forum] more same data are insufficient to determine same |
Q44 ⇒ The absolute acceleration of any point P in a link about center of rotation 0 is. none of the above. [other wrong options] [Discuss in forum] along PO perpendicular to PO along OP |
Q45 ⇒ Klein's construction can be used to determine acceleration of various parts when the crank is at. all of the above [other wrong options] [Discuss in forum] inner dead center outer dead center at 45° to the line of the stroke |
Q46 ⇒ Angle of dwell of cam is defined as the angle. through which the cam rotates during the period in which the follower remains in the highest position [other wrong options] [Discuss in forum] during which the follower returns to its initial position of rotation of the cam for definite displacement of the follower moved by the cam from the instant the follower begins to rise, till it reaches its highest position |
Q47 ⇒ Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts kinetics [other wrong options] [Discuss in forum] theory of machines applied mechanics mechanisms kinematics. |
Q48 ⇒ Which of the following disciplines provides study of relative motion between the parts of a machine kinematics. [other wrong options] [Discuss in forum] theory of machines applied mechanics mechanisms kinetics |
Q49 ⇒ Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts theory of machines [other wrong options] [Discuss in forum] applied mechanics mechanisms kinetics kinematics. |
Q50 ⇒ The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as turning pair [other wrong options] [Discuss in forum] rolling pair sliding pair spherical pair lower pair, |
Q51 ⇒ Which of the following is a lower pair (a) and (b) above [other wrong options] [Discuss in forum] ball and socket piston and cylinder cam and follower belt drive. |
Q52 ⇒ If two moving elements have surface contact in motion, such pair is known as higher pair. [other wrong options] [Discuss in forum] sliding pair rolling pair surface pair lower pair |
Q53 ⇒ The example of lower pair is all of the above [other wrong options] [Discuss in forum] shaft revolving in a bearing straight line motion mechanisms automobile steering gear none of the above. |
Q54 ⇒ Pulley in a belt drive acts as rolling pair [other wrong options] [Discuss in forum] cylindrical pair turning pair sliding pair surface pair. |
Q55 ⇒ The example of rolling pair is ball bearing and roller bearing [other wrong options] [Discuss in forum] bolt and nut lead screw of a lathe ball and socket joint all of the above. |
Q56 ⇒ Any point on a link connecting double slider crank chain will trace a ellipse [other wrong options] [Discuss in forum] straight line circle parabola hyperbola. |
Q57 ⇒ Theipurpose of a link is to all of the above [other wrong options] [Discuss in forum] transmit motion guide other links act as a support none of the above. |
Q58 ⇒ A universal joint is an example of lower pair [other wrong options] [Discuss in forum] higher pair rolling pair sliding pair turning pair. |
Q59 ⇒ Rectilinear motion of piston is converted into rotary by slider crank [other wrong options] [Discuss in forum] cross head connecting rod gudgeon pin four bar chain mechanism. |
Q60 ⇒ Pitch point on a cam is the point on cam pitch curve having the maximum pressure angle [other wrong options] [Discuss in forum] any point on pitch curve any point on pitch circle the point on cam pitch curve having the minimum pressure angle none of the above. |
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