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

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What is Machine Design?

What is Machine Design in Mechanical Engineering? Key Concepts & Subjects Machine Design is a subject in mechanical engineering that

Theory of Machines – Mechanical Engineering The theory of machines is an applied science which is used to understand the

Thermodynamics: Definition, Laws, Basics & Importance in Engineering The name ‘thermodynamics’ stems from the Greek words therme (heat) and dynamics

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

Work is said to be high-grade energy, and heat is low-grade energy. The complete conversion of low-grade energy into high-grade

Joule’s Law or Law of Conservation of Energy When a closed system undergoes a complete cycle, net work is done

It states that if two bodies A and B are in thermal equilibrium with a third body C then A

Impulse Turbine Pressure compounding where, N = Nozzle, MB = Moving blade The pressure drop occurs only in the nozzle.

Classification of Kinematic Pairs According to nature of contact Lower pair: : A pair of links having surface or area

A flywheel wheel is used in machines to serve as a four reservoir, which stores energy during the period when

Sensitiveness of Governor A governor is said to be sensitive when it readily responds to a small change in speed.

Types of Centrifugal Governor Pendulum type — Watt governor (simplest) Loaded type Porter Governor If the sleeve of a Watt

The function of a governor is to maintain the speed of an engine within specified limits whenever there is a

The Ackermann steering gear has only turning pairs. Fig. (a) shows the steering gear for straight drive. The turning pairs

Davis steering gear is shown in Fig. This type of gear has only sliding pairs. Two arms AG and BH

The Ratchet and Pawl Mechanism A Ratchet and Pawl mechanism. The arm pivots about the center of the toothed ratchet

The Geneva wheel mechanism is shown in Fig. The input crank is typically a motor driven at a constant speed.

Intermittent motion is a sequence of motions and dwells. A dwell is a period in which the output link remains

Straight Line Mechanisms A mechanism built in such a manner that a particular point in it is constrained to trace