What is an expansion valve and its purpose?

1844

---

What happen when the expansion valve is excessively open?

1943

---

Purpose of evaporator in refrigeration system.

1857

---

What are the characteristics of Freon 12?

2318

---

Explain the cycle of refrigeration system.

1977

---

Where id the warm side of a refrigeration system?

2188

---

What safety device will activate to stop the compressor in the refrigeration system

2151

---

What is short cycling in refrigeration system?

2847

---

What is a magnetic valve of refrigeration system?

2194

---

"In refrigeration, why during operations is running low pressure at the suction side?"

4793

---

Dear All,I have RRB exam on 19th dec Plz send me the Last 5 years RRB Q&A of Electronics & communication Dept to mail id sham28sharieff@gmail.com.. please frnds if u do have the Q&A.. Plz send it..

2599

---

how can we design robots

1916

---

WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1851

---

Please send me the sample pattern for the Electronics and communication for the post in RRB s&T to my Email ID : sivamec6034@gmail.com

2041

---

In electronic assembling industry(SMT), what are all the interview questions they will ask while recruiting?

2136

---