Answer / taufic

splip ring induction motor, high starting torge motor

Answer / arpan

d.c series motor , because in lift high starting torque and
fast breaking is required.

Answer / sayan

Squirrel cage induction motors with VFD is also used for
lifts & elevators now-a-days.
The main consideration is the duty cycle of the motor.It
has to be S3 or S4 rating because of its frequent starting
& stopping.

Answer / taufic

slip ring motor and Dc series motor

Answer / anamika

d.c series motor bec it is having high starting torque

Answer / sanjeet swarnakar

cumilitive compound motor

Answer / senindra123

dc serious motor .

Answer / shubham

cumulatively compounded
nd
series motor
both motos have high starting torque

Answer / mragang

Commulate motor used in lift....

Answer / nagaraju d m

3 phase Induction motor with VFD

a simple c++ program to calculate simple interst with its data members as private

0 Answers   L&T,

Can anybody tell abt concrete encased earthing or grounding?

0 Answers  

what is the pre commissioning test to be carried out on LT power panel at site?

1 Answers  

What does the term “voltage regulation” means?

0 Answers  

What is the suitable rating of MCB for 1.5 Ton A.C and why? 1Ton= how many amperes?

5 Answers   BARC,

an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

1 Answers  

1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

When PRV operated at power transformer ,can anybody tell me particular pressure for 50mva transformer plzzz.

1 Answers   BWSSB,

What is stub protection is all about?

1 Answers  

what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up

1 Answers  

how to test power transformer.YNd11

0 Answers  

2. The heaviest and lightest strings on a certain violin have linear densities of 3.0 and 0.29 g/m. What is the ratio of the diameter of the heaviest string to that of the lightest string, assuming that the strings are of the same material?

1 Answers