Answer / kaduamol1986

Both connection delta and star connection are preferred. If
VFD is used then delta is preferred.

Answer / asif qureshi

in case of delta connection is preferred...and for the motors above 10 hp star delta time connection is advised if vfd is not available.

If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

0 Answers  

---

what is Micro-switch and where it is used......?

7 Answers  

---

Give 2 application of quartz crystal used for process parameter measurement.

1 Answers   ADMA OPCO,

---

1)why we are using mostly Ultrasonic Flow meters to measure flow, rather than Radar waves? 2)why we are using Ultrasonic waves and Radar waves to measure the Level?

1 Answers   NTPC,

---

what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line?

3 Answers  

---

---

How 2 calibrate level tank having large height..?

2 Answers  

---

what is difference between two wire &three wire pt 100 ?

3 Answers   Jindal,

---

can you send remote seal interface level transmitter calculation steps for oil water saperator.

0 Answers   Sasol Firm, Thermax,

---

Can any body give detail about orifice sizing?

5 Answers   Essar,

---

Intools training

1 Answers  

---

We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.

0 Answers   Sabic,

---

What are the different type of instrument used in cement industry with uses

2 Answers   Lafarge,

---