10+ MGM HOSPITAL & RESEARCH CENTRE Interview Questions and Answers

Types of sprinklers, fire, extinguisher classification, types and uses of pumps are important for a fire technician.

• Types of sprinklers include wet, dry, deluge, and pre-action

• Fire is a chemical reaction that produces heat, light, and smoke

• Extinguishers are classified by the type of fire they can put out (A, B, C, D, or K)

• Types of pumps include centrifugal, positive displacement, and vertical turbine

• Pumps are used for water supply, pressure maintenance, and fire protection sy...read more

Electrical current unit is measured in Amperes (A).

• Electrical current unit is the measure of the flow of electric charge.

• It is measured in Amperes (A) and is named after the French physicist Andre-Marie Ampere.

• One Ampere is defined as the amount of current that flows when one Coulomb of charge passes through a conductor in one second.

• Electrical current is the rate at which electric charge flows through a circuit.

• It is an essential concept in electrical engineering and is used...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, and power supply.

• Understanding these diagrams is crucial f...read more

AHU stands for Air Handling Unit. It is used in HVAC systems to regulate and circulate air in buildings.

• AHU stands for Air Handling Unit.

• It is a device used in HVAC (Heating, Ventilation, and Air Conditioning) systems.

• AHUs are responsible for regulating and circulating air in buildings.

• They help maintain indoor air quality and temperature.

• AHUs are commonly found in commercial buildings, hospitals, schools, and industrial facilities.

• They can be used in both new construction an...read more

There are various types of transformers such as power transformers, distribution transformers, autotransformers, isolation transformers, etc.

• Power transformers are used in high voltage transmission systems.

• Distribution transformers are used to step down the voltage for distribution to homes and businesses.

• Autotransformers have a single winding and are used for voltage regulation.

• Isolation transformers are used to isolate a circuit from the power source.

• Other types include ins...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 equipment from the rest of the system for maintenance or repa...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 to prevent overheating and fires

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 sensors should be in place to prevent overloading and overhe...read more

HVAC stands for Heating, Ventilation, and Air Conditioning. It is a technology used for indoor and vehicular environmental comfort.

• HVAC systems regulate temperature, humidity, and air quality in buildings and vehicles.

• They consist of various components such as furnaces, air conditioners, heat pumps, ductwork, and thermostats.

• HVAC technicians install, maintain, and repair these systems.

• They also ensure that the systems are energy-efficient and comply with safety regulations.

• Ex...read more

DG stands for Diesel Generator. It is a type of generator that uses diesel fuel to produce electrical energy.

• DG is commonly used as a backup power source in case of power outages.

• It consists of an engine that runs on diesel fuel and a generator that converts mechanical energy into electrical energy.

• DGs are often used in industries, commercial buildings, hospitals, and residential areas.

• They are known for their reliability, durability, and ability to provide continuous power s...read more

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 compressor blades or a malfunctioning fuel control system...read more

The Indian standard frequency is 50 Hz.

• The Indian standard frequency is used for power supply in India.

• It is also known as the mains frequency.

• It is different from the frequency used in some other countries like the US (60 Hz).

Maintenance equipment efficiency focuses on optimizing performance and reducing downtime through effective practices.

• Regular maintenance schedules prevent unexpected breakdowns, e.g., weekly checks on HVAC systems.

• Utilizing predictive maintenance tools can forecast equipment failures, e.g., vibration analysis in motors.

• Training staff on proper equipment use enhances efficiency, e.g., operators trained on CNC machine settings.

• Implementing a tracking system for maintenance hist...read more

Effectively managing risk involves identifying, assessing, and mitigating potential issues to ensure safety and operational efficiency.

• Identify potential risks: Conduct regular assessments to pinpoint areas of concern, such as equipment failure or safety hazards.

• Assess the impact: Evaluate the severity and likelihood of each risk, prioritizing them based on potential consequences.

• Develop a mitigation plan: Create strategies to minimize risks, such as implementing safety proto...read more

Hazards can be classified into various types, including physical, chemical, biological, ergonomic, and psychosocial hazards.

• Physical hazards: Examples include slips, trips, and falls due to wet floors or uneven surfaces.

• Chemical hazards: Exposure to harmful substances like asbestos or toxic chemicals in cleaning products.

• Biological hazards: Risks from bacteria, viruses, or mold, such as exposure to bloodborne pathogens.

• Ergonomic hazards: Poor workstation design leading to rep...read more