Find a formula. Solve any missing value.

Electrical Engineering

Energy Output

Electrical Engineering

\[Energy_output = coal_consumption \cdot calorific_value\]

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Equation of Rectangular fin of infinite length

Mechanical Engineering

\[m = \sqrt{\frac{h \cdot p}{k \cdot A_{e}}}\]

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Equivalent Bending Moment

Mechanical Engineering

\[\tau = M + \sqrt{{M}^{2} + {T}^{2}}\]

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Equivalent of organic matter present after t days

Civil Engineering

\[L_t = L \cdot ( 10 ) ^ ( - k_D \cdot t )\]

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Equivalent Weight

Civil Engineering

\[Equivalent_{weight} = \frac{Molecular_{weight}}{valency}\]

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Equivalent X of t/f under N.L condition

Electrical Engineering

\[X_{0} = \frac{v_{1}}{I_{mu}}\]

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Error at desired value

Electronics Engineering

\[Error_at_desired_value = Full_scale_value \cdot Error_at_full_scale_Desired_value\]

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Error in Operational Amplifier

Electronics Engineering

\[e = \frac{1}{CMRR} \cdot \frac{V_{c}}{V_{d}} \cdot 100\]

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Error Shunt capacitance in Moving Iron Instruments

Electronics Engineering

\[C = 0.41 \cdot ( ( L ) / ( R_s ^ ( 2 ) ) )\]

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Errors in measurement

Electronics Engineering

\[\delta \cdot A = A_{m} - A_{t}\]

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Ethernet channel utilization

Computer Science

\[u = \frac{1}{1 + 5 \cdot a}\]

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Euler’s Buckling Load

Mechanical Engineering

\[( P_ \cdot ( ( Critical ) ) ) = ( ( ( ( \pi ^ 2 ) \cdot EI ) ) / ( ( k \cdot ( l ^ 2 ) ) ) )\]

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Factor of Safety for brittle material

Mechanical Engineering

\[FOS = \frac{S_{w}}{\sigma}\]

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Factor of Safety for ductile material

Mechanical Engineering

\[FOS = \frac{S_{y}}{\sigma}\]

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Factor of Safety in Bolted Joints

Mechanical Engineering

\[FOS = \frac{Failure_{stress}}{Allowable_{stress}}\]

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Fault Percentage reactance

Electrical Engineering

\[X = \frac{I \cdot X}{V} \cdot 100\]

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Fed at both ends with equal voltages

Electrical Engineering

\[Max_{voltage\_drop} = \frac{1}{8} \cdot IR\]

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Fed at one end

Electrical Engineering

\[V = \frac{1}{2} \cdot {irl}^{2}\]

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FET model Phase shift oscillator frequency

Electronics Engineering

\[f = ( ( 1 ) / ( 2 \cdot \pi \cdot sqrt ( 6 ) \cdot R \cdot C ) )\]

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Fin Effectiveness

Mechanical Engineering

\[\epsilon = \frac{Actual_{heat\_transfer\_from\_fin\_surface} \cdot Q}{Rate_{of\_heat\_transfer\_without\_fin}}\]

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Fin Efficiency

Mechanical Engineering

\[\eta = \frac{A_{ctual\_heat\_rate\_from\_fin} \cdot Q}{Maximum_{heat\_transfer\_rate} \cdot Q_{max}}\]

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Flux during transformer operation

Electrical Engineering

\[B_max = constant\]

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Force exerted on each shoe in Centrifugal Clutch

Mechanical Engineering

\[P_c - P_s = Ibp\]

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Forecasting by Exponential Smoothing

Mechanical Engineering

\[F_{t} = F_{t} - 1 + \alpha \cdot \left(D_{t} - 1 - F_{t} - 1\right)\]

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