Blog

Protective ___ protect workers by resisting penetration and absorbing the blow of impact.

A ___ system provides the air necessary for combustion.

The method for controlling draft is determined by the boiler equipment.

The two common types of cooling systems are direct-expansion systems and indirect expansion systems.

An operating pressure control starts and shuts down a burner based on steam pressure.

___ fire is burning the maximum amount of fuel in a given unit of time.

___ fire is burning the maximum amount of fuel in a given unit of time.

An operating pressure control starts and shuts down a burner based on steam pressure.

There are four main causes of natural circulation in a boiler.

The best time to blow down a boiler to remove sludge and sediment is when the boiler is under a ___.