When a slider moves on a fixed link having curved surface, their instantaneous centre lies

In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

A

equal to sum of other two

B

greater than sum of other two

C

less than sum of other two

D

none of the mentioned

A slider moves at a velocity $${\text{v}}$$ on a link revolving at $$\omega $$ rad/s. The coriolis component of acceleration is

A

$$\omega {\text{v}}$$

B

$$2\omega {\text{v}}$$

C

$${\omega ^2}{\text{v}}$$

D

$$2\omega {{\text{v}}^2}$$

In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links

A

will remain same

B

will change

C

will not occur

D

none of the mentioned

Instantaneous center of rotation of a link in a four bar mechanism lies on

A

right side pivot of this link

B

left side pivot of this link

C

a point obtained by intersection on extending adjoining links

D

none of the mentioned

The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at

A

30°

B

45°

C

60°

D

90°

Any point on a link connecting double slider crank chain will trace a

A

straight line

B

circle

C

ellipse

D

parabola

A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

A

Straight line path

B

Hyperbolic path

C

Parabolic path

D

Elliptical path

A point on a link connecting double slider crank chain traces a

A

Ellipse

B

Circle

C

Parabola

D

Hyperbola

When two links are connected by a pin joint, their instantaneous center lies

A

On their point of contact

B

At the center of curvature

C

At the center of circle

D

At the pin joint

The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

A

$$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ below}}$$

B

$$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ above}}$$

C

$$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ below}}$$

D

$$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ above}}$$

When a slider moves on a fixed link having curved surface, their instantaneous centre lies

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