Mechanical Engineering - MADE EASY Study Material for GATE, ESE and SES Exams

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The Slider Crank Chain

When one of the turning pairs of a four-bar chain is replaced by a sliding pair, it becomes a single

In Fig. if AB is the input link, the force applied to the output, CD, is transmitted through the coupler

There are some examples of paradoxes which disobey the Gruebler’s criterion due to their unique geometry. The designer needs to

Free Vibrations: Elastic vibrations in which there are no friction and external forces after the initial release of the body. Forced

Centrifugal governors: Its action depends on the change of speed and centrifugal effect produced by the masses, known as governor

When a series of gears are connected in such a way that two or more gears rotate about an axis

Static Balancing A system of rotating masses is said to be in static balance if the combined mass centre of

Parallel Shafts Spur Gears: They have straight teeth parallel to the axes and thus are not subjected to axial thrust

According to Shape Wedge and flat cams: A wedge cam has a translational motion. The follower can either translate or

In Klein’s construction, the velocity and the acceleration diagrams are made on the configuration diagram itself. The line that represents

The Coriolis component is positive if the link AR rotates clockwise and slider moves radially outwards or if the link

Instantaneous centre of rotation or virtual centre. Let a plane body ‘P’ having non-linear motion relative to another plane body

Grashof’s law s + l ≤ p + q Here, s = Shortest link, l = Longest linkp, q =

The connection of a link with another imposes certain constraints on their relative motion thus, Degrees of freedom = 6

Completely constrained motion: When motion between two elements of a pair is in a definite (single) direction irrespective of the

Mechanical engineering is considered as one of the oldest and broadest engineering disciplines which has notably contributed to shaping the

The gas turbine obtained its power by utilizing the energy of burnt gases and gases which are at high temperature

Fan characteristics can be represented in form of fan curve(s). The fan curve is a performance curve for the particular

The axial flow compressors are used in the gas turbine power plant and especially in aircraft applications. Disc type rotor