Answer / sunil

imp turb are used where head available is high 300-450
and reaction turb are used where head is not that much high
150-300

Answer / karthick

it depends on the specific speed and head
available.specific speed and head are inversely
proportional.the specific speed of reaction turbine is 10-
100 and for impulse turbine it is 0-4

What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?

0 Answers  

---

Distinguish between the shear center and elastic center.

0 Answers  

---

What device installed in the F.O. system when excess oil return to drain tank?

0 Answers  

---

What would you consider to be the most important aspects of this job?

1 Answers  

---

What are the defects in exhaust valve?

0 Answers   RRB,

---

---

What speed you will select to drill 10 mm. In MS Plate ?

1 Answers   IGCAR,

---

difference between rolling & pitching

2 Answers  

---

What device installed in the F.O. system when excess oil return to drain tank?

1 Answers   RRB,

---

What parameters to be reported when we send lubricating oil for shore analysis?

0 Answers   ABC Inc, RRB, Siemens,

---

a three phase squirrel cage induction motor runs slow? list all possible reasons for such fault.

0 Answers  

---

What is critical temperature in metals ?

0 Answers  

---

ONE TURBINE HAVING THREE EXTRACTIONS AND ANOTHER HAVING ONE EXTRACTION WHICH TURBINE IS MORE EFFECIENCY?

2 Answers  

---