In a slider crank mechanism, the velocity of piston becomes maximum when

Crank and connecting rod are in line with each other

Crank is perpendicular to the line of stroke of the piston

Crank and connecting rod are mutually perpendicular

Crank is 1200 with the line of stroke

The following list of statements is given:

Grashoff’s rule states that for a planar crank-rocker 4-bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths.

Inversions of a mechanism are created by fixing different links, one at a time.

Geneva mechanism is an intermittent motion device.

Grubler’s criterion assumes mobility of a planar mechanism to be one.

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1.	In a slider crank mechanism, the velocity of piston becomes maximum when
A.	Crank and connecting rod are in line with each other
B.	Crank is perpendicular to the line of stroke of the piston
C.	Crank and connecting rod are mutually perpendicular
D.	Crank is 1200 with the line of stroke
Answer» C. Crank and connecting rod are mutually perpendicular

Discussion

2.	The following list of statements is given:
A.	Grashoff’s rule states that for a planar crank-rocker 4-bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths.
B.	Inversions of a mechanism are created by fixing different links, one at a time.
C.	Geneva mechanism is an intermittent motion device.
D.	Grubler’s criterion assumes mobility of a planar mechanism to be one.
Answer» D. Grubler’s criterion assumes mobility of a planar mechanism to be one.

Discussion