Topic wise notes as per new NCHM-JNU syllabus (for B.Sc HHA & M.Sc HA) are are now available at our new website hospitality.institute
Visit Now
Select Page
1st Sem Hotel Engg. Notes

Gas in Hotel Engineering: Types, Properties, and Precautions

by

Last updated: 4 July 2023

Are you curious about the role of gas in hotel engineering? In this blog, we’ll explore the different types of gas used in the industry, their properties, and the precautions you should take while handling them.

Gas is an essential part of hotel engineering, powering everything from stoves to boilers. However, it can be dangerous if mishandled. That’s why it’s important to have a solid understanding of gas types, properties, and precautions.

Types of Gas Used in Hotel Engineering

The two main types of gas used in hotel engineering are natural gas and LPG (liquefied petroleum gas). Natural gas is a fossil fuel that is extracted from the ground and transported through pipelines. LPG is a byproduct of crude oil refining and is stored in pressurized containers.

Properties of Gas

One of the most important properties of gas is its calorific value, which measures the amount of energy released when the gas is burned. This value varies depending on the type of gas used. For example, LPG has a higher calorific value than natural gas.

Another important property is the gas’s heat output, which is determined by the type of burner used. Low-pressure burners are used for cooking, while high-pressure burners are used for heating water or generating steam.

Precautions for Handling Gas

Gas can be dangerous if not handled properly. Here are some important precautions to keep in mind:

  • Always handle gas in a well-ventilated area.
  • Never smoke or use open flames near gas.
  • Make sure all gas connections are secure and free of leaks.
  • Only use gas appliances that are designed for the type of gas you are using.
  • Always follow manufacturer instructions for using and maintaining gas appliances.

By following these precautions, you can help ensure that gas is used safely and effectively in your hotel.

Conclusion

Gas is an important part of hotel engineering, but it must be used carefully to avoid accidents. By understanding the types of gas used in the industry, their properties, and the precautions you should take while handling them, you can help ensure that gas is used safely and effectively in your hotel.

How useful was this post?

5 star mean very useful & 1 star means not useful at all.

Average rating 3.8 / 5. Vote count: 4

No votes so far! Be the first to rate this post.

We are sorry that this post was not useful for you! 😔

Let us improve this post!

Tell us how we can improve this post?

Syllabus BHM106

01 Maintenance

  1. Introduction
  2. Preventive and breakdown maintenance, comparisons
  3. Role & Importance of maintenance department in the hotel industry with emphasis on its relation with other departments of the hotel.
  4. Organization chart of maintenance department, duties and responsibilities of maintenance department

02 Fuels used in the catering industry

  1. Introduction
  2. Types of fuel used in catering industry; calorific value; comparative study of different fuels
  3. Calculation of amount of fuel required and cost.

03 Gas

  1. Introduction
  2. Heat terms and units; method of transfer
  3. LPG and its properties; principles of Bunsen burner, precautions to be taken while handling gas; low and high-pressure burners and their corresponding heat output
  4. Gas bank, location, different types of manifolds

04 Electricity

  1. Introduction
  2. Fundamentals of electricity, insulators, conductors, current, potential difference resistance, power, energy concepts; definitions, their units and relationships, AC and DC; single phase and three phases and its importance on equipment specifications
  3. Electric circuits, open circuits and close circuits, symbols of circuit elements, series and parallel connections, short circuits, fuses; MCB, earthing, the reason for placing switches on the live wire side.
  4. Electric wires and types of wiring
  5. Calculation of electric energy consumption of equipment, and safety precautions to be observed while using electric appliances.
  6. Types of lighting, different lighting devices, incandescent lamps, fluorescent lamps, other gas-discharged lamps, illumination, and units of illumination.
  7. External lighting
  8. Safety in handling electrical equipment

05 Water systems

  1. Introduction
  2. Water distribution system in a hotel
  3. Cold water systems in India
  4. Hardness of water, water softening, base exchange method
  5. Cold water cistern swimming pools
  6. Hot water supply system in hotels
  7. Flushing system, water taps, traps and closets.

06 Refrigeration & Air-conditioning

  1. Basic principles, latent heat, boiling point and its dependence on pressure, vapour compressor system of refrigeration and refrigerants.
  2. Vapour absorption system, care and maintenance of refrigerators, defrosting, types of refrigerant units, their care and maintenance.
  3. Conditions for comfort, relative humidity, humidification, dehumidifying, due point control, unit of air conditioning
  4. Window type air conditioner, central air conditioning, preventive maintenance
  5. Vertical transportation, elevators, escalators

07 Fire prevention and fire fighting system

  1. Classes of fire, methods of extinguishing fires (Demonstration)
  2.  Fire extinguishers, portable and stationery
  3.  Fire detectors and alarm
  4. Automatic fire detectors cum extinguishing devices
  5. Structural protection
  6. Legal requirements

08 Waste disposal and pollution control

  1. Solid and liquid waste, sullage and sewage, disposal of solid waste
  2.  Sewage treatment
  3. Pollution related to the hotel industry
  4. Water pollution, sewage pollution
  5. Air pollution, noise pollution, thermal pollution
  6. Legal Requirements

09 Safety

  1. Accident prevention
  2. Slips and falls
  3. Other safety topics

10 Security

11 Equipment replacement policy

  1. Introduction
  2. Circumstances under which equipment are replaced.
  3. Replacement policy of items which gradually deteriorates
  4. Replacement when the average annual cost is minimum
  5. Replacement when the present cost is minimum
  6. The economic replacement cycle for suddenly failing equipment

12 Audio-visual equipment

  1. Various audio-visual equipment used in hotel
  2. Care and cleaning of an overhead projector, slide projector, LCD and PowerPoint presentation units
  3. Maintenance of computers
  4. Care and cleaning of PC, CPU, Modem, UPS, Printer, Laptops
  5. Sensors – Various sensors used in different locations of a hotel – type, uses and cost-effectiveness

13 Contract maintenance

  1. Introduction
  2. The necessity of contract maintenance, advantages and disadvantages of contract maintenance
  3. Essential requirements of a contract, types of contract, their comparative advantages and disadvantages.
  4. Procedure for inviting and processing tenders, negotiating and finalizing