Mechanical Engineering MCQs

2075 MCQs  (Page 84 of 208)

Attempt Mechanical Engineering Mcqs Quiz
The absolute acceleration of any point P in a link about center of rotation 0 is___________________?
A. along po
B. perpendicular to po
C. at 45° to po
D. along op
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Two systems shall be dynamically equivalent when____________________?
A. The mass of two are same
B. E.g. of two coincides
C. M.i. of two about an axis through e.g. is equal
D. All of the above
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According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?
A. A triangle
B. A point
C. Two lines
D. A straight line
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Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?
A. Right side pivot of this link
B. Lift side pivot of this link
C. A point obtained by intersection on extending adjoining links
D. Can’t occur
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The Bifilar suspension method is used to determine__________________?
A. Natural frequency of vibration
B. Position of balancing weights
C. Moment of inertia
D. Centripetal acceleration’
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Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ?
A. Ipocf
B. Ipocf
C. Ip oc j
D. Ipoc-
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In S.H.M., the velocity vector w.r.t. displacement vector _________________?
A. Leads by 90°
B. Lags by 90°
C. Leads by 180°
D. Are in phase
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In S.H.M., acceleration is proportional to _________________?
A. Velocity
B. Displacement
C. Rate of change of velocity
D. All of the above
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Inertia force acts___________________?
A. Perpendicular to the accel< force
B. Along the direction of accel* force
C. Opposite to the direction of ace ing force
D. In any direction w.r.t. accel* force depending on the magnit two
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In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?
A. 95 mm
B. Slightly less than 95 mm
C. Slightly more than 95 mm
D. 45 mm
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Word of the Day
28 Sep
Expatriate
a person who lives outside their native country.
ملک بدری، جلا وطن کرن، شہر بدر کرنا

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