GATE MN · 2023 · MN
Question 65: Mining Machinery
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Question 65
MNNAT2 marksNeeds review
Data related to a water turbine pump with backward bladed impellers are given below:
Impeller diameter : 35 cm
RPM : 1200
Angle of curvature of blade : 30°
Radial velocity of discharge : 2 m/s
Manometric efficiency : 0.8
The number of impellers required in the pump to lift water by a height 300 m is _____.
[rounded off to higher integer]
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2023MN
GATE MN 2023 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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