What is d scanf?

1103

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2192

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How to run a salesforce report?

522

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What is the power requirement of tamil nadu for one month?

2034

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What is partial specialization or template specialization?

1007

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void main(){ int a; a=1; while(a-->=1) while(a-->=0); printf("%d",a); }

1735

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What is closure in swift?

839

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What is a good example of a transaction in sybase?

1042

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What are the three main components of unix architecture?

1004

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What options are available in the transfer rule?

48

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We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?

2154

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What is port 139 commonly used for?

981

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about vb scripting programs this type of all question& answers

2144

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What is apachectl?

876

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What is neutron?

348

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