Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.
What is the difference between sensitivity and selectivity in receivers?
Which meter has a greater sensitivity and why? Meter A having a range of 0-10 V and a multiplier resistance of 18 kΩ and meter B with a range of 0-300 V and multiplier resistance of 298 kΩ? Both meter movements have a resistance of 2 kΩ.
Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.
How do you perform a sensitivity analysis on inverter systems?
What is the current sensitivity of galvanometer?
What is the formula for current sensitivity of galvanometer?
What is the SI unit of voltage sensitivity?
What is the formula of charge sensitivity of galvanometer?
What is the SI unit of sensitivity?
How does gate sensitivity affect SCR operation?
How does an LNA (Low Noise Amplifier) improve receiver sensitivity?
State the meaning of the following: (i) Sensitivity (ii) Deflecting torque
Define electrical power and give its formula.
What is vaccum currcuit breaker.define with cause and where be use it Device?
Define what is difference between fuse and breaker?
What is energy and define its SI unit?
Define the term ‘‘cold reserve’’ and ‘‘hot reserve’’.
Define fission and fusion related to nuclear fuel.
Define the term ‘calibration’ and state its need for measuring instruments.
Define Conduction angle and Firing angle.
Define Holding current and Latching current of SCR.
Define transfer time and back up time of UPS.
Define laminar flow and turbulent flow.
Define atmospheric pressure and absolute pressure.
Define laminar and turbulent flow.
Define active and passive transducers.
Define voltage regulation and Transmission Efficiency.
Define: primary and secondary distribution system.
Define the terms incandescent and incandescent lamp.
Define the following terms (i) lux and (ii) lumens.
Define chording factor and distribution factor.
Define slip and synchronous speed of 3 phase induction motor.
Define Quality factor and give the expression for the same.
Define bandwidth and give its expression.
Define Average value and give its mathematical expression.
Define R.M.S. value and give its mathematical expression.
Define Phasor and Phase angle. Answer : ### Phasor: A **phasor** is a complex number that represents the magnitude and phase of a sinusoidal waveform (usually a voltage or current). Instead of dealing with the waveform in time ... (advanced). So, the phase angle helps describe the timing difference between different sinusoidal signals....
Define Apparent power and Power factor.
Define synchronous speed and slip speed.
Define Rotor frequency and slip of three phase induction motor.
Define isolator and state their types.
What is a reliability-centered maintenance (RCM) strategy?
What is a reliability analysis?
How does a UPS enhance electrical reliability?
How does a UPS support infrastructure reliability?
How does a UPS enhance operational reliability?
How does a UPS support network reliability?
How does a UPS enhance power system reliability?
How do you measure UPS reliability?
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