Blog

___ valves can be used in hydraulic systems that require a rod to quickly extend to the point of work and then slowly extend once it is at the point of work.

Pseudocavitation occurs when the outlet port of a pump is restricted.

Air-cooled heat exchangers work best when the ambient temperature is lower than ___°F.

Electricity is the energy released by the fl ow of electrons in a conductor.

Air compressors in pneumatic systems are rated in ___.

Straight pipe threads are preferred over tapered pipe threads because of the reduced possibility of leakage.

On a schematic diagram, ___ lines are used represent pilot lines.

If heat is applied to the gas inside a receiver and the pressure remains constant, then the volume of the gas inside the receiver increases.

A flow control valve and a check valve in reverse parallel with each other is also referred to as a ___.

In Islamic belief, the angels Gabriel and Raphael immediately judge the deceased soul after death.