Exam Question
With respect to centrifuges:
(a) How is the vertical height measured and why vertical height of the spindle is so critical? (6)
(b) Describe the troubles occurring on centrifuges during their operation and their rectification (10)
Class 4 (4th Engineer)
MEP
📅 May 2023
Reference Answer
### (a) Vertical Spindle Height: Measurement and Criticality
#### Measurement of Vertical Height
The vertical height of the centrifuge spindle is a precise measurement of the clearance between a specific point on the rotating bowl assembly and a fixed reference point on the stationary centrifuge frame. This is a critical dimension set during assembly or major overhaul.
1. **Method**: The measurement is not a simple visual check but is performed using specialized tools provided by the manufacturer. This is typically a depth gauge, feeler gauge, or a template.
#### Measurement of Vertical Height
The vertical height of the centrifuge spindle is a precise measurement of the clearance between a specific point on the rotating bowl assembly and a fixed reference point on the stationary centrifuge frame. This is a critical dimension set during assembly or major overhaul.
1. **Method**: The measurement is not a simple visual check but is performed using specialized tools provided by the manufacturer. This is typically a depth gauge, feeler gauge, or a template.
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