Schindler Maintenance Technician Interview Questions and Answers

To look for a short circuit, check for any abnormal connections or damaged wires causing a direct path for current flow.

• Inspect all wiring and connections for signs of damage or wear

• Use a multimeter to test for continuity and resistance in the circuit

• Look for any burnt or melted components indicating a short circuit

• Check for any loose connections or exposed wires that could be causing a short circuit

Boiler efficiency can be calculated by measuring the heat input and heat output of the boiler.

• Calculate the heat input by measuring the fuel flow rate, fuel calorific value, and fuel consumption.

• Calculate the heat output by measuring the steam flow rate and steam enthalpy.

• Direct efficiency = (Heat output / Heat input) * 100%

• Indirect efficiency = Direct efficiency * Boiler efficiency of other components (like economizer

The monthly maintenance cost of my section is approximately $10,000.

• The monthly maintenance cost includes expenses for spare parts, labor, equipment rental, and utilities.

• Regular maintenance tasks such as lubrication, inspections, and repairs contribute to the overall cost.

• Cost may vary depending on the size of the section, age of equipment, and frequency of maintenance activities.

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To enter running conditions of escalators in the basement, follow safety protocols, check for any obstructions, and ensure proper functioning of all components.

• Follow safety protocols before entering the basement area with running escalators.

• Check for any obstructions or debris that may interfere with the escalator's operation.

• Ensure all components of the escalator are functioning properly before entering the basement ...read more