Equality of Two Matrices
Two matrices A = [aij ] and B = [bij ] are said to be equal if, They are of
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Algebra of Matrices
In this chapter, we shall discuss matrix algebra and its use in solving linear system of algebraic equations AX =
Read MoreSecond Law of Thermodynamics
Work is said to be high-grade energy, and heat is low-grade energy. The complete conversion of low-grade energy into high-grade
Read MoreThe First Law of Thermodynamics
Joule’s Law or Law of Conservation of Energy When a closed system undergoes a complete cycle, net work is done
Read MoreZeroth Law of Thermodynamics
It states that if two bodies A and B are in thermal equilibrium with a third body C then A
Read MoreSteam Turbines
Impulse Turbine Pressure compounding where, N = Nozzle, MB = Moving blade The pressure drop occurs only in the nozzle.
Read MoreClassification of Kinematic Pairs and Its Applications
Classification of Kinematic Pairs According to nature of contact Lower pair: : A pair of links having surface or area
Read MoreSensitiveness of Governor
Sensitiveness of Governor A governor is said to be sensitive when it readily responds to a small change in speed.
Read MoreCentrifugal Governor
Types of Centrifugal Governor Pendulum type — Watt governor (simplest) Loaded type Porter Governor If the sleeve of a Watt
Read MoreAckermann Steering Mechanism
The Ackermann steering gear has only turning pairs. Fig. (a) shows the steering gear for straight drive. The turning pairs
Read MoreDavis Steering Mechanism
Davis steering gear is shown in Fig. This type of gear has only sliding pairs. Two arms AG and BH
Read MoreRatchet and Pawl Mechanism
The Ratchet and Pawl Mechanism A Ratchet and Pawl mechanism. The arm pivots about the center of the toothed ratchet
Read MoreGeneva Wheel Mechanism
The Geneva wheel mechanism is shown in Fig. The input crank is typically a motor driven at a constant speed.
Read MoreIntermittent Motion Mechanism
Intermittent motion is a sequence of motions and dwells. A dwell is a period in which the output link remains
Read MoreStraight Line Mechanisms
Straight Line Mechanisms A mechanism built in such a manner that a particular point in it is constrained to trace
Read MorePantograph
PANTOGRAPH A pantograph is a four-bar linkage used to produce paths exactly similar to the ones traced out by a
Read MoreOldhams coupling
The Oldham’s coupling shown in figure is used to connect two parallel shafts, the distance between whose axes is small
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