Answer / powerplant.calculations

As the temperature increases, the hydraulic test pressure decreases
Normally 20 to 50 degree C water is used for boiler hydraulic tests

Refer below link for such questions & answers
https://www.powerplantandcalculations.com/2020/06/why-how-these-in-boilers.html

DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.

0 Answers  

---

why drum level is increased when one of the running coal elevations are suddenly tripped?

6 Answers   APGenco, Vedanta,

---

What is Droop Control in Woodward?

3 Answers  

---

1. what is meant by burner tilting?

3 Answers  

---

difference between vaccum pump and ejector

2 Answers   NTPC, Tata Steel Limited,

---

---

what is significance of canister vent in condensate extraction pump & difference between vacuume balancinf line & canister vent

3 Answers   NTPC, Tata Power,

---

explain(why) with circuit for pick up of restricted earth fault protection due to external fault

1 Answers  

---

Power plants are called CPP,IPP,LLP What is the meaning of it? And tell me some other type of powerplant names.

1 Answers  

---

some one can tell me how residual type excitation is provided through transformers to an AC generator without any battery or PMG&excitor

0 Answers   UMT,

---

What is reheated protection

1 Answers  

---

what are the major duties of a instrumentation engineer in a power plant.?

3 Answers   Gulf,

---

How to calculate boiler capacity? I have 1 Autoclave, Which has to use for AAC block. Dimension for this Autoclave is - 13 Meter Length & 2.2 Meter Diameter.

0 Answers   Aevitas Pharmagro,

---