what is advantage and disadvantage of forward curve and backward curve blade of an id fan impeller and FD fan impeller??

1080

Explain the operation of grid connected central solar inverter ?

1019

How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

1601

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1403

How is propeller fitted in shaft?

1462

in design case of structural member best suitrable percentage of steel limit is what

1052

What aturn on methods of scr?

699

What is the name of the winding from which the supply is taken for load connections?

622

Steps In starting boilers.

1760

why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

2380

I have a 2000 Chevy Blazer and when turning on the A/C the accuator opens and closes the panel doors on its own without me touching any controls..i bought a new climate control (350 dollars) and that didnt fix it..can anyone help??

1377

What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1581

List the disadvantages of constant k filters?

1058

What is pole of the system?

662

What are the differences between microprocessor and micro controller?

573