Amara Raja Group Maintenance Supervisor Interview Questions and Answers

There are two types of electricity - AC and DC.

• AC stands for Alternating Current and is used in homes and businesses.

• DC stands for Direct Current and is used in batteries and electronic devices.

• AC changes direction periodically, while DC flows in one direction.

• AC is more efficient for long-distance power transmission, while DC is better for short distances.

• AC voltage can be easily changed using transformers, while DC v

Kaizen is a Japanese term for continuous improvement.

• Kaizen involves making small, incremental changes to improve processes and increase efficiency.

• It is a key principle of lean manufacturing and is used in many industries.

• Kaizen encourages employee involvement and empowerment in the improvement process.

• Examples of kaizen include implementing a new tool or process, rearranging a workspace for better flow, or reducing w...read more

PDCA is a continuous improvement model consisting of Plan, Do, Check, and Act.

• PDCA is a problem-solving method used in various industries.

• Plan: Identify the problem and plan a solution.

• Do: Implement the plan.

• Check: Evaluate the results and compare them to the expected outcome.

• Act: Adjust the plan and repeat the cycle.

• Example: A maintenance supervisor can use PDCA to improve the maintenance process by identifying the pr...read more

Why-Why Analysis is a problem-solving technique used to identify the root cause of a problem by asking 'why' multiple times.

• Why-Why Analysis involves asking 'why' at least five times to identify the root cause of a problem.

• It helps to identify the underlying causes of a problem rather than just addressing the symptoms.

• For example, if a machine breaks down, asking 'why' could reveal that it was due to lack of maintenanc...read more

Ensuring safety of diesel generators is crucial for preventing accidents and ensuring uninterrupted power supply.

• Regular maintenance and inspection of the generators

• Proper training of personnel handling the generators

• Installation of safety devices such as automatic shut-off systems

• Adherence to safety regulations and guidelines

• Emergency response plan in case of accidents

Single phase voltage of 220V is different from three phase voltage of 415V. Explain the cause.

• Single phase voltage has two conductors while three phase voltage has three conductors

• The voltage levels are different due to the number of conductors used

• Single phase voltage is commonly used in households while three phase voltage is used in industrial settings

• The power delivered by three phase voltage is more efficient than