What is the difference between speed and velocity?

6 Answers  

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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?

2 Answers  

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why does polytropic efficiency of a compressor decrease with increasing flow rate ?

0 Answers   L&T, ONGC,

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What kind of materials should be used for shafts manufacturing?

0 Answers  

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why we use kg/cm2 in pressure gauge not kg/m2

0 Answers  

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What do you understand by heat treatment?

0 Answers  

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What is ferrite material and explain its applications?

0 Answers  

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When Centrifugal compressor is a non positive displacement compressor how it goes under surge due high discharge pressure when the discharge valve partially or fully clossed. please explain me clearly

2 Answers  

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sir/ madam i m apearing to rrb bhubaneswar for entrans exam please i want a help to get thruogh this

0 Answers   RRB,

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What is the volume develop by the piston from BDC to TDC

3 Answers  

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what is the use of fudicial indicator in measurement?

1 Answers   Godrej,

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what is diffusion heat transfer

2 Answers  

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