## Lakshya Education MCQs

Question: A body having moment of inertia o:m2 is rotating at 210 rpm and r with another body at rest having i 40 kg m2. the resultant speed after ing will be
Options:
 A. 90 RPM B. 100 RPM C. 80 RPM D. data are insufficient

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## More Questions on This Topic :

Question 1. When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
1.     Screw pair
2.     Spherical pair
3.     Turning pair
4.     Sliding pair
Question 2. When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a
1.     Screw pair
2.     Spherical pair
3.     Turning pair
4.     Sliding pair
Question 3. In a pantograph, all the pairs are
1.     Turning pairs
2.     Sliding pairs
3.     Spherical pairs
4.     Self-closed pairs
Question 4. When one of the links of a kinematic chain is fixed, the chain is known as a
1.     Structure
2.     Mechanism
3.     Inversion
4.     Machine
Question 5. The example of completely constrained motion is a
1.     Motion of a piston in the cylinder of a steam engine
2.     Motion of a square bar in a square hole
3.     Motion of a shaft with collars at each end in a circular hole
4.     All of the above
Question 6. A body having moment of inertia o:m2 is rotating at 210 rpm and r with another body at rest having i 40 kg m2. the resultant speed after ing will be
1.     90 RPM
2.     100 RPM
3.     80 RPM
4.     data are insufficient