Trending Series 24 Discussions

Follow

Ask the Community


Ask any professional question and get answers from other specialists.

Stream language
anil kumar pall's image
Question added by anil kumar pall
8 years ago
Answers:
2
Followers:
Views:
429
Vote Count:
0
Answer should contain a minimum of 25 characters.
Default profile image
Question added by Deleted user
10 years ago
Answers:
4
Followers:
Views:
5357
Vote Count:
1
Answer should contain a minimum of 25 characters.
sathish busa's image
Question added by sathish busa start level avineon
10 years ago
Answers:
0
Followers:
Views:
35
Vote Count:
0
Answer should contain a minimum of 25 characters.
Default profile image  
Answer added by  Deleted user
10 years ago

If a DC series motor is operated at no load, it runs so fast that it destroy itself. The high forces, associated with high speeds, cause the rotor to fly apart, often wit ... See More

Abdul  Razzak's image  
Answer added by  Abdul Razzak, Sr Electrical Design or Execution Engineer, Aslam Electrical Works
9 years ago

if we start Dc series motor without  load then it shout more and may get damage itself ............ so in simply words we can say  if applied load its get  quit ......... ... See More

Majid Khan's image  
Answer added by  Majid Khan, Rig Electrican, Oil & Gas Development Company Limited
10 years ago

Series motor cannot be started without load because of high starting torque. Also at no load the current passing through the field is minimum and almost zero ,so the flux ... See More

Muhammad Usman's image  
Answer added by  Muhammad Usman, Assistant Manager Operations, Lahore Electric Supply Company
7 years ago

As we know that, for DC Series motor equation of torque is given by                                Torque= k*flux*(I)^2   At no load I=0 which means torque=0 and torque i ... See More

Mohammed Zeeshan Ahmed's image  
Answer added by  Mohammed Zeeshan Ahmed, Mechanical Engineer, DAR ENGINEERING
8 years ago

First of all inorder to select guage for a GI duct there are SMACNA standards for guage selection. 0-450mm=24 guage (0.6mm) 451mm-900mm=22 guage (0.8mm) 901mm-1219mm=20 g ... See More

shaik nasarali's image  
Answer added by  shaik nasarali, Project Engineer Mep Mechanical, AL YAMAMA COMPANY - CONSTRUCTION DIVISION
8 years ago

volume = Area * length of duct .It can be described in Sq.Mts  or Kgs.