Housejoy Service Engineer Interview Questions and Answers

OGT stands for Overall Gas Turbine. It is a measure of the overall performance of a gas turbine engine.

• OGT is calculated by taking into account various parameters such as turbine inlet temperature, compressor discharge pressure, and fuel flow rate.

• Monitoring OGT is crucial for ensuring the efficient operation of the gas turbine engine.

• An increase in OGT may indicate a potential issue with the engine, such as fouling of...read more

Switch gear is a combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.

• Switch gear is used to control the flow of electricity in a power system.

• It includes devices like circuit breakers, fuses, and disconnect switches.

• Switch gear is essential for protecting electrical equipment from overloads and short circuits.

• It helps in isolating faulty equ...read more

Transformer safety involves measures to prevent electrical hazards and ensure proper functioning of transformers.

• Regular maintenance and inspection of transformers is essential for safety

• Proper grounding and insulation to prevent electrical shocks

• Following safety protocols and procedures when working with transformers

• Using personal protective equipment (PPE) when handling transformers

• Avoiding overloading transformers t

Chillers safety refers to the measures in place to ensure the safe operation of chillers and prevent accidents.

• Regular maintenance and inspections are crucial for ensuring the safety of chillers.

• Proper training of personnel on chiller operation and safety protocols is essential.

• Emergency shutdown procedures should be clearly defined and easily accessible.

• Safety features such as pressure relief valves and temperature se...read more

Control diagrams for Star Delta and DOL starters are essential for understanding the operation of these motor starting methods.

• Control diagram for Star Delta starter involves two contactors and a timer for switching between star and delta connections.

• Control diagram for DOL starter includes a single contactor for direct starting of the motor.

• Both diagrams show the connections of the motor, contactors, overload relays, ...read more