What is an expansion valve and its purpose?

1889

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What happen when the expansion valve is excessively open?

1993

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Purpose of evaporator in refrigeration system.

1896

---

What are the characteristics of Freon 12?

2360

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Explain the cycle of refrigeration system.

2039

---

Where id the warm side of a refrigeration system?

2236

---

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

2185

---

What is short cycling in refrigeration system?

2889

---

What is a magnetic valve of refrigeration system?

2235

---

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

4900

---

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..

2632

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how can we design robots

1950

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

1895

---

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

2072

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

2180

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