Senior Engineer Utility Maintenance Interview Questions and Answers

DG efficiency calculation involves determining the ratio of output power to input power.

• DG efficiency = (Output Power / Input Power) * 100%

• Output power can be measured in kW or HP

• Input power can be measured in kW or kVA

• Efficiency is usually expressed as a percentage

Total Predictive Maintenance is a proactive maintenance strategy that uses data analysis to predict when equipment failure is likely to occur.

• Involves monitoring equipment conditions in real-time

• Uses data analysis to predict potential failures

• Helps in scheduling maintenance before breakdowns occur

• Reduces downtime and maintenance costs

• Examples: vibration analysis, oil analysis, thermography