Ingersoll Rand Assistant Manager Service Interview Questions and Answers

The compressor installation and commissioning procedure involves several steps to ensure proper functioning and efficiency.

• Prepare the site for installation by ensuring a suitable foundation and proper ventilation.

• Position the compressor unit and connect it to the power supply.

• Install the necessary piping and connections for air intake and discharge.

• Check and adjust the oil level and ensure proper lubrication.

• Perform a...read more

Compressor testing standards ensure the quality and performance of compressors.

• Compressor testing standards vary depending on the type of compressor and its intended use.

• Some common testing standards include ASME PTC 10 for centrifugal compressors and API 617 for axial and centrifugal compressors.

• Testing may include performance testing, vibration testing, and noise testing.

• Compressor manufacturers may also have their o...read more

I will implement a robust inventory management system with real-time tracking and forecasting.

• Implement a centralized inventory management system

• Track inventory levels in real-time

• Forecast demand and adjust inventory levels accordingly

• Maintain good relationships with suppliers to ensure timely delivery

• Regularly review inventory data to identify trends and make informed decisions

• Implement a system for returns and exchan...read more

Warranty claim procedure is the process of making a claim for repair or replacement of a product covered under warranty.

• The customer contacts the manufacturer or seller to initiate the claim process.

• The customer provides proof of purchase and details of the issue with the product.

• The manufacturer or seller may request additional information or inspection of the product.

• If the claim is approved, the manufacturer or sell...read more

Checkpoints before first start of machine

• Inspect machine for any damage or missing parts

• Ensure all safety guards and devices are in place and functioning properly

• Check oil and fluid levels and fill as necessary

• Verify proper electrical connections and grounding

• Perform a test run to ensure proper operation

• Train operators on safe and proper use of the machine

To check vibration of airend, use a vibration meter at specific points. Standard varies by manufacturer. Allowable vibration value depends on machine type and application.

• Use a vibration meter to check vibration of airend

• Check vibration at specific points as per manufacturer's instructions

• Standard for allowable vibration varies by manufacturer

• Allowable vibration value depends on machine type and application

The key elements of airend are rotors, bearings, seals, and housing. The gap between screw elements should be 0.1-0.3mm.

• Airend consists of rotors, bearings, seals, and housing.

• Rotors are the main components that compress the air.

• Bearings support the rotors and reduce friction.

• Seals prevent air leakage and maintain efficiency.

• Housing encloses the airend and provides structural support.

• The gap between screw elements shou

Check refrigerant level, condenser coil, fan motor, and thermostat.

• Check refrigerant level and add if necessary.

• Clean condenser coil and ensure proper airflow.

• Check fan motor for proper functioning.

• Check thermostat and adjust if necessary.

The check points to resolve the issue of a compressor tripping with high ampere.

• Check the electrical connections for loose or damaged wires

• Inspect the compressor motor for any signs of overheating or damage

• Verify that the compressor is receiving the correct voltage

• Check the refrigerant levels and ensure they are within the specified range

• Inspect the condenser coils for any blockages or dirt buildup

• Check the compressor'...read more

Parameters to check during compressor testing

• Check the suction and discharge pressure

• Check the oil level and quality

• Check the motor amperage and voltage

• Check for any abnormal noise or vibration

• Check the refrigerant charge level

• Check the condenser and evaporator coils for cleanliness

• Check the compressor's temperature

• Check the compressor's oil pressure

• Check the compressor's discharge temperature