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Mechanical Engineering formulas

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Mechanical Engineering

Refrigerator work

Mechanical Engineering

\[W_R \cdot E \cdot F = Q_H - Q_L\]
GATE
Open calculator Mechanical Engineering

Relation between B, G and M

Mechanical Engineering

\[GM = \frac{l}{V} - B \cdot G\]
GATE
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Relation between σ,τ and ρ

Mechanical Engineering

\[\alpha + \rho + \tau = 1\]
GATE
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Relation in Voltage and Arc Length

Mechanical Engineering

\[V = A + B \cdot I\]
GATE
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Relationship between E, G, K and µ

Mechanical Engineering

\[E = 2 \cdot G \cdot \left(1 + \mu\right)\]
GATE
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Relative density or specific gravity

Mechanical Engineering

\[R \cdot D = \frac{Density_{of\_body}}{Density_{of\_water}}\]
GATE
Open calculator Mechanical Engineering

Reynold Number (Re)

Mechanical Engineering

\[Re = \frac{Inertia_{force}}{Viscous_{force}}\]
GATE
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Rolling Reduction (Draft)

Mechanical Engineering

\[Max_{Draft} \cdot \Delta_{h} = {\mu}^{2} \cdot R\]
GATE
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Rolling Separation Length

Mechanical Engineering

\[L = \sqrt{R \cdot \Delta_{h}}\]
GATE
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Sensitiveness of a Governor

Mechanical Engineering

\[Sensitiveness = \frac{range_{of\_speed}}{mean_{speed}}\]
GATE
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Shape Factor

Mechanical Engineering

\[S_{F} = \frac{L + W}{T}\]
GATE
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Shear Angle in metal cutting

Mechanical Engineering

\[\phi = \frac{\pi}{2} + \frac{\alpha}{2} - \frac{\beta}{2}\]
GATE
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Shear Force

Mechanical Engineering

\[F_{c} = F_{n} \cdot \sin\left(\phi\right) + F_{s} \cdot \cos\left(\phi\right)\]
GATE
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Shear Modulus

Mechanical Engineering

\[\frac{Shear_{stress}}{Shear_{strain}} = Shear_{Modulus}\]
GATE
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Shear Strain

Mechanical Engineering

\[Shear_{Strain} = \frac{\delta \cdot t}{r}\]
GATE
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Shear strength in parallel fillet weld

Mechanical Engineering

\[\tau = \frac{P}{0.707 \cdot h \cdot l}\]
GATE
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Shear Stress in Circular Section

Mechanical Engineering

\[\tau_{} = \frac{3 \cdot V}{2 \cdot A} \cdot \tau_{}\]
GATE
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Shear Stress in circular shaft due to Torsion

Mechanical Engineering

\[tau_ = ( ( 16 \cdot T ) / ( \pi \cdot d ^ ( 3 ) ) )\]
GATE
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Shear Stress in Rectangular Section

Mechanical Engineering

\[\tau_{} = \frac{4 \cdot V}{3 \cdot A}\]
GATE
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Sleeve and Cotter Joints Analysis

Mechanical Engineering

\[P = \frac{\pi}{4} \cdot {d}^{2} \cdot \sigma_{t}\]
GATE
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Slenderness Ratio

Mechanical Engineering

\[\lambda = \frac{L_{theta}}{r_{}}\]
GATE
Open calculator Mechanical Engineering

Socket and Spigot Cotter Joints analysis

Mechanical Engineering

\[P = \frac{\pi}{4} \cdot {d}^{2} \cdot \sigma_{t}\]
GATE
Open calculator Mechanical Engineering

Solidification Time in casting

Mechanical Engineering

\[T_{S} = k \cdot {\frac{V}{S \cdot A}}^{2}\]
GATE
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Specific Humidity in Psychrometry

Mechanical Engineering

\[Specific_{Humidity} \cdot w = \frac{Mass_{of\_water\_vapour\_in\_air}}{Mass_{of\_Dry\_Air}}\]
GATE
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