JSSC JE (ME):Simple Mechanism & Their Inversions Quiz - 1

Kinematic chain is known as mechanism when _____.

Nut turning in a screw is example of ________.

For a mechanism to form a structure, the number of degrees of freedom (n) should be equal to

Two shafts whose axes are not in the same straight line and are not parallel but intersect each other. Which of the following couplings can be used for this type of shafts?

In a simple 4 bar linkage as shown, if link BC is fixed then the mechanism will be

A ball and a socket forms a

The number of degree of freedom of a planer linkage with 8 links and 9 binary joints is

 Among the following which is a higher pair?

In a kinematic chain, a quaternary joint is equivalent to________.

The following list of statements is given:

1) 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.

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

3) Geneva mechanism is an intermittent motion device.

4) Gruebler’s criterion assumes mobility of a planar mechanism to be one.

The number of correct statements in the above list is