Answer / ahmed mahmoud

PLC = Programable Logic Control
DCS = Distrbuted Control System
SCADA = Supervisory Control And Data Acquisition

Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

0 Answers  

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In Delta connected capcitor bank, One bank failed due to some problem. Can we connect Open delta capacitor bank to 3 phase motor. The motor voltage rating is 6.6KV. IF yes what changes will happen?

1 Answers  

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How to calculate busbar size & what is the procedure we make for determine that?

35 Answers   Auko Tex, Integra, PowerTech, Shadhin Group,

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what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

2 Answers   BPC,

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

0 Answers   Blue Star,

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In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

0 Answers  

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The safest value of current which can pass from human body?

4 Answers   Jindal,

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the need of star to delta anddelta to star

2 Answers  

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i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?

2 Answers  

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what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?

3 Answers  

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