Bajaj Electricals Electrical Maintenance Engineer Interview Questions and Answers

Refrigerant is a substance used in a heat pump or refrigeration cycle to transfer heat between the indoors and outdoors.

• Refrigerant absorbs heat from the indoor air and releases it outside

• It changes from a liquid to a gas and back again in the refrigeration cycle

• Common refrigerants include R-410A, R-134a, and R-22

• Refrigerants should be handled carefully due to their potential environmental impact

PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.

• PLC is a digital computer used to automate electromechanical processes.

• It uses a programmable memory to store instructions and execute specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and other industrial settings.

• They can be programmed using ladder logic, function block diagr...read more

MTTR stands for Mean Time To Repair and MTBF stands for Mean Time Between Failures.

• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• MTTR is usually measured in hours or days, while MTBF is also measured in hours or days.

• MTTR is an important metric for assessing maintenance efficiency, while MTBF is used to predict the reliability of...read more

The question is testing the candidate's knowledge of present simple and present continuous tenses.

• Present Simple is used for general truths, habits, and routines.

• Present Continuous is used for actions happening now or around the present moment.

• Examples: 'He cares for the equipment regularly.' (Present Simple) 'He is currently calling the supplier for spare parts.' (Present Continuous)