1. What will happen if the armature rheostat is not in maximum position while starting the motor? 2. What will happen if the armature resistance is in minimum position and the eld resistance is in maximum position while starting the motor? 3. How do you reverse the direction of rotation of a DC motor? 4. If the armature connection and the eld connection both are reversed, does the direction of rotation of the motor reverse?

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why mechanical engineering in US universtiy??

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• What has been your biggest professional disappointment?

1 Answers   Kirloskar, Petro Star Mount,

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what is the reason of hat and work is not conserved energy?

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current rating of a 3 phase DG set is 20 Amps, but what will be the per phase current for single phase supply.

2 Answers  

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what is the advantages and dis advantages of critical speed of turbine.

0 Answers   Essar,

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What is a positive displacement pump?

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Which outer cover is on the welding rod?

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How to identify the bearing number with 3 dimensions of bearing ID & OD & bearing outer width? In interview me answerad only the bearing ID multiply with 5. That is last two digit number.

0 Answers   Al Suwaidi, Shriram Pistons, SPIPL,

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Explain QH curve of a Centrifugal Pump?. Will it ever touch X axis?. If it ever touch when? When will you go for Reciprocating pump?. why can't you use centrifugal pumps for pumping viscous fluids?. Why head of a centrifugal pump is independent of density of fluid?.

1 Answers   IGCAR,

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I am presently working as marine engineer on ship & I wish to settle on land. So can you please suggest any short term course with 100% job guarantee?

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What is the most basic characteristic of supercritical boilers?

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