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Civil Engineering

Effective depth by hydrometer

Civil Engineering

\[H_{e} = H_{1} + \frac{1}{2} \cdot \left(h - \frac{V_{H}}{A_{j}}\right)\]
GATE
Open calculator Computer Science

Effective Memory Access Time

Computer Science

\[Effective_Memory_Access_Time = Hit_RateHit_time + Miss_Rate \cdot Miss_Panelty\]
GATE
Open calculator Mechanical Engineering

Effective radius in clutch

Mechanical Engineering

\[R_{m} = \frac{r_{1} + r_{2}}{2}\]
GATE
Open calculator Electrical Engineering

Effective reactance by the alternator

Electrical Engineering

\[X_{d} = \frac{maximum_{Voltage}}{minimum_{current}}\]
GATE
Open calculator Mechanical Engineering

Effectiveness of Heat Exchanger

Mechanical Engineering

\[\epsilon = \frac{Q_{actual} \cdot actual_{heat\_transfer}}{Q_{max} \cdot maximum_{possible\_heat\_transfer}}\]
GATE
Open calculator Electrical Engineering

Efficiency

Electrical Engineering

\[\eta = \frac{Output_{in\_k\_cal}}{Input_{in\_k\_cal}}\]
GATE
Open calculator Civil Engineering

Efficiency of hammer

Civil Engineering

\[\eta_{b} = \frac{Energy_{of\_hammer\_after\_impact}}{Energy_{of\_hammer\_just\_before\_impact}}\]
GATE
Open calculator Computer Science

Efficiency of Pipeline

Computer Science

\[Efficiency_{of\_Pipeline} = \frac{speed_{up\_of\_pipeline}}{Maximum_{speed\_up\_of\_pipeline}}\]
GATE
Open calculator Electrical Engineering

Efficiency of the rotor

Electrical Engineering

\[\eta_{rotor} = \frac{Gross_{mechanical\_power\_output}}{Rotor_{input}}\]
GATE
Open calculator Electrical Engineering

Efficiency of transformer

Electrical Engineering

\[\eta = \frac{output_{power}}{input_{power}}\]
GATE
Open calculator Mechanical Engineering

EFT in PERT and CPM

Mechanical Engineering

\[EFT = EST + Activity_Time\]
GATE
Open calculator Electrical Engineering

Electric Energy Generated

Electrical Engineering

\[Electric_{energy\_generated} = weight \cdot head \cdot overall \cdot \eta\]
GATE
Open calculator Electrical Engineering

Electromagnetic torque

Electrical Engineering

\[T_{e} = \frac{Rotor_{ohmic\_loss}}{\omega_{s} \cdot slip}\]
GATE
Open calculator Electronics Engineering

Electromagnetic wave propagation

Electronics Engineering

\[w_{m} = \frac{1}{2} \cdot \mu \cdot {H}^{2}\]
GATE
Open calculator Mechanical Engineering

Elongation of Circular Tapered Bar

Mechanical Engineering

\[\Delta = \frac{4 \cdot P \cdot L}{\pi \cdot D_{1} \cdot D_{2} \cdot E}\]
GATE
Open calculator Mechanical Engineering

Elongation of Prismatic Bar Due to External Load

Mechanical Engineering

\[\Delta = \frac{P \cdot L}{A \cdot E}\]
GATE
Open calculator Mechanical Engineering

Elongation of Prismatic Bar Due to Self-Weight

Mechanical Engineering

\[\Delta = \frac{P \cdot L}{2 \cdot A \cdot E}\]
GATE
Open calculator Electrical Engineering

EMF per turn in Transformer

Electrical Engineering

\[\frac{E_{1}}{N_{1}} = \frac{E_{2}}{N_{2}}\]
GATE
Open calculator Electrical Engineering

Emf under running conditions

Electrical Engineering

\[E = \sqrt{2} \cdot \pi \cdot f_{r} \cdot K \cdot w_{2} \cdot N_{p} \cdot h \cdot r \cdot \phi_{1}\]
GATE
Open calculator Mechanical Engineering

Emissivity of black surface

Mechanical Engineering

\[\epsilon = \frac{E}{E_{b}}\]
GATE
Open calculator Electronics Engineering

Emitter current for Photo Diode

Electronics Engineering

\[I_e = I_b + I_c\]
GATE
Open calculator Electronics Engineering

Energy gap at temperature

Electronics Engineering

\[E_{epsilon} \cdot T = E_{epsilon} \cdot 0 - \frac{\alpha \cdot {T}^{2}}{T + \beta}\]
GATE
Open calculator Electronics Engineering

Energy gap at temperature for Ge

Electronics Engineering

\[Eg_ \cdot ( T ) = 0.785 - 7.2 \cdot 10 ^ ( - 4 ) \cdot T\]
GATE
Open calculator Electronics Engineering

Energy gap at temperature for Si

Electronics Engineering

\[Eg_ \cdot ( T ) = 1.21 - 3.6 \cdot 10 ^ ( - 4 ) \cdot T\]
GATE
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