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- Subject
- Mechanical Engineering Mcqsmechanical-engineering-mcqs
- Published
- 30 Jan 2019
- Last updated
- 28 May 2026
Explanation
An economiser is designed to recover heat from the flue gases, which preheats the feed water and thereby reduces the fuel required for steam generation. This leads to decreased fuel consumption without affecting steam pressure or flow directly.
More Mechanical Engineering Mcqs
Practice related questions from the same subject.
- 1.At what temperature range is petrol typically distilled?
- 2.Which type of fuel is commonly utilized in diesel engines and oil-fired boilers?
- 3.What is another name for hydraulic turbines?
- 4.What is the primary fuel utilized in blast furnaces to extract pig iron from iron ore?
- 5.Which solid fuel is characterized by a high percentage of carbon?
- 6.Which type of solid fuel possesses the highest calorific value?
- 7.What is the typical average calorific value of wood expressed in kJ/kg?
- 8.Which of the following are considered natural solid fuels?
Subcategories
- Compressors, Gas Turbines and Jet Engines
- Engineering Materials
- Engineering Mechanics
- Fluid Mechanics
- Heat Transfer
- Hydraulic Machines
- I.C. Engines
- Machine Design
- Nuclear Power Plants
- Production Technology
- Refrigeration and Air Conditioning
- Steam Boilers, Engines, Nozzles and Turbines
- Strength of Materials
- Theory of Machines
- Thermodynamics
- Workshop Technology