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Answer :

In a load curve the highest point represents peak demand.

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Last Answer : A load curve indicates average kWh (kW) energy consumption during the period.

Description : Explain with diagram load duration curve.

Last Answer : It is drawn from load curve. It is graph of load (MW/KW) arranged in descending order of magnitude with respect to time. 

Description : The load duration curve for unity load factor will be of  (1) Rectangular shape (2) Triangular shape (3) L -shape (4) I -shape

Last Answer : The load duration curve for unity load factor will be of Rectangular shape

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Last Answer : Which of the following connection of transformers will give highest value of secondary voltage ? (A) Delta primary delta secondary (B) Delta primary star secondary (C) Star primary star secondary (D) Star primary delta secondary

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Last Answer : The device which allows reverse power flow and withstands highest switch frequency is MOSFET

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Last Answer : Diagram of integrated duration curve used in system operation: Explanation:  Integrated duration curve is obtained from load duration curve. It is drawn in between load on Y-axis in KW/MW and the X- ... a particular time of a day can also be shown on a curve which is called as mass curve. 

Description : In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are ______ respectively.  (A) positive, negative and negative (B) positive, zero and negative (C) positive, positive and negative (D) positive, negative and zero

Last Answer : In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are positive, negative and negative respectively. 

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Last Answer : Trapezoidal speed-time curve is a close approximation of the conditions in Mainline traction service.

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Description : Illustrate with neat wiring diagram a single lamp control by two point method.

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Description : A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Last Answer : The current is 10.0A.  1ampere = 1 Coulomb per 1 second.  0.1Coulombs ÷ 0.01seconds = 10.0amperes.

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Last Answer : The operating point of a protective current transformer is near the Ankle point

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Last Answer : Blind spot is a point in the zones of protection where No protection is available.

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Last Answer : A three point starter is considered suitable for shunt as well as compound motors.

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