WorksheetsQuiz on Heat Transfer Fluids and Combustion
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of a boiler?
To heat a fluid by combustion
To cool a fluid
To store fuel
To filter air
What is the maximum pressure a boiler is designed for called?
Design pressure
Operating pressure
Safety pressure
Set pressure
What is the maximum temperature a boiler is designed for called?
Working temperature
Design temperature
Safety temperature
Operating temperature
Which type of heat transfer fluid is chemically inert and inexpensive?
Water vapor
Thermal fluid
Liquid water
Oil
What is the term for combustion carried out with an excess of air?
Stechiometric combustion
Real combustion
Incomplete combustion
Optimal combustion
What is the main component oxidized during the combustion of hydrocarbons?
Hydrogen
Oxygen
Carbon
Nitrogen
Which type of burner uses a fan to push air into the burner head?
Induced draft burner
Forced draft burner
Natural draft burner
Sealed type burner
What is the main consequence of carbon monoxide (CO) formation during combustion?
Higher heat output
Pollution and blood poisoning
Increased efficiency
Reduced fuel consumption
What is the effect of high air excess in combustion?
Higher efficiency
Reduced emissions
Increased flame temperature
Cooling of the furnace
Which directive regulates fuel combustion emissions in plants with a rated thermal input of 1-50 megawatts?
Medium Combustion Plant Directive
Air Quality Directive
Waste Incineration Directive
Energy Efficiency Directive
