Find a formula. Solve any missing value.

Mechanical Engineering

Absolute Humidity in Psychrometry

Mechanical Engineering

\[Absolute_Humidity = ( ( Weight_of_Water_Vapour ) / ( Volume_of_Air \cdot ( Mixture ) ) )\]

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Absorptivity

Mechanical Engineering

\[A \cdot bsorptivity \cdot \alpha = \frac{Energy_{absorbed} \cdot Q_{a}}{T_{otal\_incident\_radiation} \cdot Q}\]

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Active earth pressure at depth H

Civil Engineering

\[P_p = q - 2 \cdot C\]

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Addendum circle diameter of helical gear

Mechanical Engineering

\[d_{a} = \frac{z \cdot m_{n}}{cos} + 2 \cdot m_{n}\]

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Air Content in soil

Civil Engineering

\[a_{c} = \frac{V_{a}}{V_{v}}\]

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Airgap power for a series generator

Electrical Engineering

\[P_{e} = \omega \cdot T\]

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Airgap power for a series motor

Electrical Engineering

\[P_{e} = \omega \cdot T\]

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Airgap power for a shunt motor

Electrical Engineering

\[P_{e} = \omega \cdot T\]

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Alkalinity of Water

Civil Engineering

\[Alkalinity_of_water = text \cdot ( ( x + y + z ) \cdot m \cdot g / litof \cdot C \cdot a \cdot C \cdot O_3 )\]

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Allowable load on pile group.

Civil Engineering

\[Q_{u} \cdot p = \frac{Q_{u} \cdot g}{F \cdot O \cdot S} \cdot where\]

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Amplifier AI

Electronics Engineering

\[A_{I} = \frac{-h_{f}}{1 + h_{0} \cdot Z_{L}}\]

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Amplifier AV

Electronics Engineering

\[A_{V} = \frac{A_{I} \cdot Z_{L}}{Z_{i}}\]

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Amplifier Zi

Electronics Engineering

\[Z_i = h_i + h_r \cdot A_I \cdot Z_L\]

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Angle of twist in Torsion

Mechanical Engineering

\[\theta = \frac{T \cdot l}{G \cdot J}\]

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Apparent Power in AC

Electronics Engineering

\[S = I ^ ( 2 ) \cdot Z\]

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Armature angle

Electrical Engineering

\[\theta_{electrical} = \frac{P}{2} \cdot \theta_{mechanical}\]

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Armature mmf per Pole

Electrical Engineering

\[A \cdot T_{a} = \frac{Z \cdot I_{a}}{2 \cdot A \cdot P}\]

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As per GO Fire Demand

Civil Engineering

\[Q = sqrt ( ( 100 ) \cdot ( Population_in_thousands ) )\]

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Aspiration Effect

Mechanical Engineering

\[R = \sqrt{\frac{h_{c}}{h_{t}}}\]

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Asymmetrical breaking current

Electrical Engineering

\[Asymmetrical_breaking_current = r \cdot m \cdot s \cdot value_of_total_current\]

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AT (Compensating Winding)

Electrical Engineering

\[AT \cdot Compensating_{Winding} = \frac{ZI_{a}}{2 \cdot AP} \cdot \frac{pole_{arc}}{pole_{pitch}}\]

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Atomic Packing Factor (APF)

Mechanical Engineering

\[Atomic_{Packing\_Factor} \cdot APF = \frac{Volume_{of\_atoms\_in\_a\_cell}}{V_{olume\_of\_unit\_cell}}\]

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Average current through diode vacuum tube

Electronics Engineering

\[I_{av} = \frac{E_{av}}{2 \cdot R}\]

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Average deviation

Electronics Engineering

\[D = \frac{r}{0.8453}\]

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