Protective footwear must comply with___, Personal Protection—Protective Footwear.

Protective footwear must comply with___, Personal Protection—Protective Footwear.

A boiler should be dumped when hot to allow the heat to be recovered.

A low water fuel cutoff should be tested ___.

Boilers used in industry are designed to ___.

A decrease in a suction gauge reading indicates either a dirty strainer or cold fuel oil.

Steam strainers should be located on a steam line ___.

Steam strainers should be located on a steam line ___.

During a hydrostatic test, the boiler is half filled with water.

___ is the placement of a device on an energy-isolating device, in accordance with an established procedure, ensuring that the energy-isolating device and the equipment being controlled cannot be operated.