A therm is equivalent to 100,000 Btu.
The most recent amendments to the Clean Air Act occurred in…
The most recent amendments to the Clean Air Act occurred in 1997.
The range of pressure on a vacuum switch on a vacuum pump is…
The range of pressure on a vacuum switch on a vacuum pump is usually 2″ Hg to 8″ Hg.
An outside-stem-and-yoke valve is a ___ valve that indicates…
An outside-stem-and-yoke valve is a ___ valve that indicates whether it is open or closed by the position of the stem.
A photocell sensor senses ___ light.
A photocell sensor senses ___ light.
An outside-stem-and-yoke valve is a ___ valve that indicates…
An outside-stem-and-yoke valve is a ___ valve that indicates whether it is open or closed by the position of the stem.
The range of pressure on a vacuum switch on a vacuum pump is…
The range of pressure on a vacuum switch on a vacuum pump is usually 2″ Hg to 8″ Hg.
___ regulations place restrictions on the design and install…
___ regulations place restrictions on the design and installation of fuel oil tanks.
The internal resistance of fuel oil to flow is the ___.
The internal resistance of fuel oil to flow is the ___.
In a float thermostatic trap, the ball float opens and close…
In a float thermostatic trap, the ball float opens and closes a discharge valve depending on the amount of ___ in the chamber.