Exam Question
(a) How will you align a motor-pump shaft? What are the different methods of alignment that can be used? (8)
(b) Why is the Fridge Compressor Belt Driven? (8)
Class 4 (4th Engineer)
MEP
📅 Dec 2024
Reference Answer
### (a) Motor-Pump Shaft Alignment Procedure and Methods
**Objective:** To align the rotational centerlines of two or more machines (e.g., a motor and a pump) such that they are collinear when the machines are at their normal operating temperature and conditions.
#### Pre-Alignment Checks & Preparation (Crucial for Full Marks)
1. **Safety First:** Ensure the prime mover (motor) is electrically isolated, locked out, and tagged out (LOTO) to prevent accidental starting.
**Objective:** To align the rotational centerlines of two or more machines (e.g., a motor and a pump) such that they are collinear when the machines are at their normal operating temperature and conditions.
#### Pre-Alignment Checks & Preparation (Crucial for Full Marks)
1. **Safety First:** Ensure the prime mover (motor) is electrically isolated, locked out, and tagged out (LOTO) to prevent accidental starting.
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