What are the Safety measures in central chiller plant? Explain them?

22 Answers   Carrier, CPIC, HSL, JLL,

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what will happen if phases are not shorted with neutral in transformer impedance test? and if neutral is not connected with ground?

1 Answers  

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why HT voltage rating in multiple of 11

12 Answers   ISRO,

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Write the difference between OCB,VCB ?

3 Answers   Svam Power,

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When the power Factor (p.f)is lead then how the Voltage can rises?

1 Answers  

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As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

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if 40 watt bulb has higher resistance then a 100watt bulb then according to joul farmula p=I^2R the 40 watt bulb more power consume then 100 watt bulb.

5 Answers  

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What is power transformer?

3 Answers   Welspun,

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What are the two types of compensation?

0 Answers  

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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Name of Hydrocarbon gases.

1 Answers  

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To transmit the Power which must be present…? a) Reactance b) Resistance c) Capacitance d) none of above

9 Answers   ABC,

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