Answer / manoranjan pratap singh

When load on turbines decreases,pressure valves are
closed.Therefore, water in the penstock increases
rapidly,due to this there is continous to and fro motion of
water in the penstock. This leads to great vibration of
penstock.This is known as WATER HAMMERING.

Answer / manoranjan pratap singh

When load on turbines decreases,pressure valves are
closed.Therefore, water in the penstock increases
rapidly,due to this there is continous to and fro motion of
water in the penstock. This leads to great vibration of
penstock.This is known as WATER HAMMERING.

Answer / vairaprakash

ASSUME A CLOSED VESSEL FILLED WITH WATER AND THAT VESSEL IS
CONTINUOUSLY HEATED SO THAT WATER GETS INTO STEAM. IF THERE
IS NO PATH TO ESCAPE THEN THE CONVERTED STEAM AT THE BOTTOM
FORCES THE WATER UP SO IT PRODUCES A HAMMERING FORCE ON THE
VESSEL.

Explain the advantages of gear drive?

0 Answers  

---

what is tooth profile

0 Answers   IOCL, TNPL,

---

Why fatigue strength decreases as size of a part increases beyond around 10 mm?

0 Answers  

---

what exactly 3by2 directional control valve means and how direction control valves work can any one explain me the diagrm please i need it must and should

1 Answers   Essar,

---

Which are the sheets of metals?

0 Answers  

---

---

What is extruded aluminium used for?

0 Answers  

---

What do you know about DG ,A,B,C, D, Check and safety of generator.?

0 Answers   Sterling Wilson,

---

pls any one send me the last 5 years rrb QP - hari.devarajan@gmail.com

0 Answers  

---

What was the hardest part of obtaining your engineering degree?

0 Answers  

---

Preparation before arriving port?

0 Answers   RRB,

---

Explain bearing

0 Answers  

---

why the tanker lowery have elliptical shape?

2 Answers   ITC Infotech,

---