Answer Posted / p.veerapandian

Can u tell the application of the inserting external
resistance in the rotor circuit for speed variation or
starting with heavy torque application

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

1935

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During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

2095

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either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1846

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How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

2146

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What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1717

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How do I calculate/select Droop CT ratio for various capacity of generators?

3625

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i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

3273

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what are safety measures in /control in diesal engine/ explain them?

1747

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importance of reactive power management

2003

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can we find the inductance of a induction motor?

1936

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What is a differential amplifier?

1199

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

1865

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Differentiate between Zero and Negative sequence current

1875

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What is the drawback of class b amplifier? How is this minimized?

1097

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what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

2001

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