Answer / deenar satam

positive displacement pumps can be of rotary as well as
piston type. the pps which includes piston can be single
double or multistage .
in rotary type p/ps there are vane p/p,internal gear
p/p,external gear p/p,lobe p/p etc.
in positive displacement pps priming is not required.
they can run dry for some period of time.
can handle multiple types of fluids.
can deliver more head than centrifugal p/p. but discharge
rate is less as compared to centrifugal p/p

What do you do to improve your skills as a marine engineer

0 Answers  

---

Give an example each of a shipboard use of an adiabatic process and an isothermal process?

0 Answers  

---

What is bucket valve??

1 Answers  

---

POSSIBLE CAUSE OF LARGE 2STROKE MARINE DIESEL ENGINE TURBOCHARGER OVER SPEED?

2 Answers  

---

is it possible to hook up a computer flat screen to a fishfinder?

0 Answers  

---

What does 7L67GFCA stands for in a marine engine MITSUI?

0 Answers  

---

Why o-ring, bearings are used in the centrifugal pumps?

0 Answers  

---

What is the difference between conduction type motor and induction type motor?

0 Answers  

---

What is the C.C in motorbikes?

0 Answers  

---

what is the meaning of code number which is given on bearing.

6 Answers   Wallem,

---

What are the disadvantages and advantages of having a small amount of superheat for a refrigerant vapours entering the compressor suction?

0 Answers  

---

Can a computer flat screen hooked up to a fish finder?

0 Answers  

---