Ansi standard z89 Study guides, Class notes & Summaries

ANSI Standard Z89.1 -Answer Standard for industrial head protection. The particular toxic gases that may be found at fire and explosion sites vary according to four common factors. -Answer Nature of combustible. Rate of heating. Temperature of the involved gases. Oxygen concentration. The organic vapor/acid gas cartridge is effective for approximately? -Answer 8 to 10 hours of continuous use. Placards are required on containers that are how big? -Answer 640 cubic feet or larger. ...

Where employee brings their own PEE, what is the responsibility of the employer? Assure the PPE's adequacy. (OSHA pg 127) What's the standard for eye protection? ANSI Z89.1-1969 (OSHA pg 127) How to ensure that a rope will hold a load? Checkt o see if the rated load capacity for the rope is being exceeded. Stairway handrails should be installed at ____ from the surface of the tread to upper surface of the handrail. 48" Safety Instruction Signs shall be what color? Green upper pane...

Welding - Chapters 1-6 - First Exam with Complete Solutions List welding Currents: AC,DC-,DC+ What is the Definition of welding current the current in the welding circuit during the making of the weld. Three units are used to measure welding current Voltage: electrical pressure Amperage: number of electrons flowing Wattage: power of the arc What approximately is The temperature of the arc? 11,000°F (6000°C). Three different types of current used for welding are Alternating Current: evenly...