The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (cosθ - sinθ)

(1 - c).m.ω².r (cosθ - sinθ)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (cosθ - sinθ)

(1 - c).m.ω².r (cosθ - sinθ)

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Theory of Machine
The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

α = 90° - φ

α = 45° - φ/2

α = 45° + φ/2

α = 90° + φ

α = 90° - φ

α = 45° - φ/2

α = 45° + φ/2

α = 90° + φ

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Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

16

32

25

12

16

32

25

12

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Theory of Machine
The Klein's method of construction for reciprocating engine mechanism

Is based on acceleration diagram

Is a simplified form of instantaneous center method

Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine

Enables determination of Cariole’s component

Is based on acceleration diagram

Is a simplified form of instantaneous center method

Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine

Enables determination of Cariole’s component

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Theory of Machine
The two elements of a pair are said to form a higher pair, when they

Have a line or point contact when in motion

Permit relative motion

Have a surface contact when in motion

Are kept in contact by the action of external forces, when in motion

Have a line or point contact when in motion

Permit relative motion

Have a surface contact when in motion

Are kept in contact by the action of external forces, when in motion

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Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

0.25

0.5

2

1

0.25

0.5

2

1

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Theory of Machine

Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

Theory of Machine In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

Theory of Machine The Klein's method of construction for reciprocating engine mechanism

Theory of Machine The two elements of a pair are said to form a higher pair, when they

Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

Theory of Machine
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

Theory of Machine
The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

Theory of Machine
In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

Theory of Machine
The Klein's method of construction for reciprocating engine mechanism

Theory of Machine
The two elements of a pair are said to form a higher pair, when they

Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than