Mechanical Engineering - Hydraulic Machines - Discussion

Discussion Forum : Hydraulic Machines - Section 2 (Q.No. 40)
40.
Which type of the pump is different from others in the same group?
Screw pump
Gear pump
Cam and piston pump
Plunger pump
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 1 of 2.

Chandra Sekhar Mokina said:   3 years ago
Actually,

Screw Pump and Gear Pumps are Rotary Pumps.
Piston and Plunger are Reciprocating Pumps.
But all comes under the Positive Displacement type only.

Here the only main difference between them is except Plunger Pump all other types of pumps have their movable parts (Screws, Gears, Piston), that are necessary to increase pressure, inside their respective casings but for Plunger Pump, Plunger will be exposed to atmosphere.

Hence, it is the only one separate from the others.
(4)

Atanu said:   3 years ago
Cam and piston pump are reciprocating pump.
(1)

Dayanand yadav said:   8 years ago
All the three pump are rotary pump but plunger pump are reciprocating type pump.

Anurag said:   8 years ago
Answer is C. Because A, B, and D are reciprocating pumps.

Poojan said:   7 years ago
Right @Yadav.

Rajesh said:   7 years ago
Yes, you are right @Yadav.

Yuvraj Khade said:   7 years ago
Right @Yadav.

Maske said:   6 years ago
Right @Yadav.

Kajal Sanjay Patil said:   4 years ago
Plunger pump is reciprocating pump.

Ramkumar Sen said:   4 years ago
Right, Agree, @Kajal Patil.


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