Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below can best be described as "A force in an area pushed against the earths surface by the air above it."?
There is a relationship between the 3 components of electricity. Which of the answers below describes this relationship as "An electrical current is proportional to voltage and inversely proportional to resistance.."?
There are several basic designs for pilot burners. Which of the designs below would be the pilot accomplishes combustion solely through secondary air?
Several pressure test are performed using a manometer. Which of the the tests below would be done while no gas is flowing?
There are several different pieces of electrical testing equipment. Which of the answers below is best described as "A meter that measures the electron flow in a circuit."?
When weighing different items for comparison, certain standards are needed. Which of the answers below correctly identifies the pressure standard used in these comparisons?
A standing pilot is one of the types of pilots that are used in appliances. Which of the items below would be used to prove the existence of a standing pilot flame?
Which of the terms below would best be described as "The motion of a fluid subjected to unbalanced pressures."?
All matter exists in one of the 4 states. Which of the properties of matter would best define "gases"?
There are three components that combined create electricity. Which of those components is measures in "amperes."?
The water that natural gas contains should be removed before it is transported from the wellhead. Which of the terms below is best described as " a process that uses a solid desiccant to remove the water vapor."?
A mixture of products can be separated in a special process. Which of the answers below correctly identifies the the process that separates by the different boiling points of products?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the electrical rating would be?
Materials all resist current flow to one degree or another. Which of the answers below best describes a material with a high resistance to current flow?
When weighing different items for comparison, certain standards are needed. Which of the answers below correctly identifies the temperature standard used in these comparisons?
The water that natural gas contains should be removed before it is transported from the wellhead. Which of the terms below is best described as " a process that uses a liquid desiccant to remove the water vapor."?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the orifice size would be?
Gas releases energy as is is consumed during combustion. Which of the answers below correctly identifies the amount of Btu released in a cubic foot of Propane gas?
There are three components that combined create electricity. Which of those components is measures in 'ohms."?
Several pressure test are performed using a manometer. Which of the the tests below would be done while the main burner operates, downstream of the service regulator?
Pressure and velocity have an important connection with each other. If you decreased the diameter of a pipe, what is the reaction of the flowing water within?
Pilot burners are classified by their ignition sequence. Which of the pilots below would only activate when there was a call for main burner ignition?
Several pressure test are performed using a manometer. Which of the the tests below would be done with the pilot burner operating only?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the sea level input rating would be?
There are certain restrictions on any appliance installed over 4500 feet. Which of the answers below correctly identifies the percentage of de-rating for each 1000 feet above 4500?
Complete the form below to see results