The example of successfully constrained motion is a

A motion of an I.C. engine valve
B motion of the shaft between a foot-step bearing
C piston reciprocating inside an engine cylinder
D all of the mentioned

Correct Answer: all of the mentioned

When the connection between the elements forming a pair is such that the constrained motion is not completed by itself, but by some other means, the motion is said to be a successfully constrained motion. so, the above examples have successfully constrained motion.
Bissoy MCQ
#Machine Kinematics #Kinematic Link or Element

Related Questions

The motion between a pair which takes place in __________ is known as incompletely constrained motion.
A One direction only
B Two directions only
C More than one direction
D None of these
The example of completely constrained motion is a
A Motion of a piston in the cylinder of a steam engine
B Motion of a square bar in a square hole
C Motion of a shaft with collars at each end in a circular hole
D All of the above
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a
A structure
B mechanism
C kinematic chain
D inversion
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A 1 link with pin joints
B 2 links with pin joints
C 3 links with pin joints
D 4 links with pin joints
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
A turning pair
B rolling pair
C sliding pair
D spherical pair
If a part is constrained to move and heated, it will develop
A Principal stress
B Tensile stress
C Compressive stress
D Shear stress
An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's
A First law
B Second law
C Third law
D Fourth law
The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion and y = Displacement of the particle from mean position.)
A $$\omega \sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$
B $$\omega \sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$
C $${\omega ^2}\sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$
D $${\omega ^2}\sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where $$\delta $$ = Deflection of the spring.)
A $$2\pi \sqrt {\frac{g}{\delta }} $$
B $$\frac{1}{{2\pi }}\sqrt {\frac{g}{\delta }} $$
C $$2\pi \sqrt {\frac{\delta }{g}} $$
D $$\frac{1}{{2\pi }}\sqrt {\frac{\delta }{g}} $$
What is the gap period between first no-confidence motion and second no-confidence motion-
A 12 months
B 3 months
C 6 months
D 9 months

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