Download PASSEMALL Prep app now
Scan QR code or get instant email to install app
Question:
Comments
Your email address will not be published. Required fields are marked *
Comment *
Name*
Email*
URL
Save my name, email, and website in this browser for the next time I comment.
In heat pump electricity is used to generate heat:
False
Most atmospheric injection burners operate efficiently on _______ of the theoretical value
40 to 60 %
Fuel heating value of Natural gas will be in the range of ______ Btu/ft^3
900-1200
The speed of burner motor will be in the range of 1600 to 3600 rpm
True
_______ denotes the percentage of fuel burned and turned into heating energy:
Combustion efficiency
Smoky combustion indicates poor _______ performance
burner
Optimum excess air required in case of pulverized coal firing method will be about:
15% to 20%
Which of the following gas is not a constituent of Natural gas:
Acetane
The oil-pressure regulator on the fuel pump is generally factory-set to give nozzle oil pressures of _______
100 psig
A clad cell relay uses _____ wire to supply line voltage to the relay:
black
In which of the following Vent installations, combustion air is taken from indoors and flue gases are discharge outdoors:
Indirect Vent installations
Which of the following are required proper combustion:
All the options are correct
Flue gas temperature measures which of the following:
Carbon dioxide
Which of the following is not the product of complete combustion:
oxygen
Comments