ArcelorMittal Nippon Steel Assistant Manager Maintenance Interview Questions and Answers

Hydraulic system is a technology that uses fluids to transmit power and energy.

• Hydraulic systems use a liquid, usually oil, to transmit power and energy.

• They work by applying force at one point and transmitting it to another point using an incompressible fluid.

• Hydraulic systems are commonly used in heavy machinery, such as excavators and cranes.

• They are also used in braking systems in cars and airplanes.

• Hydraulic syste...read more

Reducing downtime can be achieved through proper maintenance planning, regular equipment inspections, and quick response to issues.

• Implement a preventive maintenance program to identify and address potential issues before they cause downtime.

• Conduct regular equipment inspections to identify and address any issues early on.

• Train employees on proper equipment use and maintenance to prevent breakdowns caused by human erro...read more

The total number of hydraulic cylinders in a CCM machine varies depending on the specific model and design.

• The number of hydraulic cylinders in a CCM machine can range from 4 to 12 or more, depending on the size and complexity of the machine.

• Each hydraulic cylinder in a CCM machine serves a specific function, such as controlling the movement of the mold or applying pressure to the molten metal.

• The hydraulic cylinders i...read more

Crane wheel wear is caused by factors such as overloading, misalignment, lack of lubrication, and poor maintenance.

• Overloading the crane beyond its capacity can cause excessive wear on the wheels.

• Misalignment of the crane wheels can lead to uneven wear and premature failure.

• Lack of proper lubrication can increase friction and wear on the wheels.

• Poor maintenance practices, such as not regularly inspecting and replacing

Limits used in EOT crane include overload limit, travel limit, and height limit.

• Overload limit prevents the crane from lifting loads beyond its capacity

• Travel limit restricts the crane's movement within a specified range

• Height limit ensures the crane does not exceed the maximum height for safe operation

Good decision making qualities are essential for an Assistant Manager Maintenance to effectively handle maintenance issues and make strategic decisions.

• Ability to analyze situations and gather relevant information

• Consideration of potential outcomes and risks

• Ability to prioritize tasks and make timely decisions

• Consultation with team members or experts when needed

• Flexibility to adapt to changing circumstances

• Examples: De...read more