Gujarat Guardian Ltd. Executive Mechanical Maintenance Interview Questions, Process, and Tips

Water balance diagram is a schematic representation of water flow and usage in a system.

• It shows the sources of water, its distribution, and the amount of water used in different processes.

• It helps in identifying areas of water loss and optimizing water usage.

• It is commonly used in industries such as power plants, chemical plants, and water treatment plants.

• Example: A water balance diagram for a power plant would show ...read more

Predictive maintenance is a technique that uses data analysis to predict when equipment maintenance is needed.

• Predictive maintenance uses sensors and data analysis to monitor equipment performance.

• It can detect potential issues before they become major problems.

• This technique can help reduce downtime and maintenance costs.

• Examples include monitoring vibration levels in rotating equipment or analyzing oil samples for si

Various tools used for troubleshooting of a pump include pressure gauges, flow meters, vibration analyzers, and infrared thermometers.

• Pressure gauges to measure the pressure of the fluid being pumped

• Flow meters to measure the flow rate of the fluid

• Vibration analyzers to detect any abnormal vibrations in the pump

• Infrared thermometers to measure the temperature of the pump and its components

• Visual inspection tools such a...read more

The allowable noise and vibration limit for a fan depends on various factors such as the type of fan, its location, and the surrounding environment.

• The allowable noise and vibration limit for a fan is typically specified by the manufacturer in the fan's technical specifications.

• The limit may also be regulated by local or national noise ordinances and regulations.

• Factors such as the type of fan, its location, and the su...read more

RVA can be done through Fishbone method by identifying the possible causes of the problem and categorizing them into branches.

• Identify the problem and write it at the head of the fishbone diagram

• Identify the major categories of possible causes and draw branches for each category

• Identify the subcategories of each branch and draw smaller branches for each subcategory

• Brainstorm and list all possible causes under each subc...read more