welding safety

Which of the following is true with regard to switchboards Switchboards are used to subdivide large blocks of power When installing wiring within switchgear, use self adhesive cable ties every ___. 12" (300mm) The maximum voltage that a piece of equipment can withstand is known as its ____. Basic impulse insulation level (BIL) Bolted pressure switches are often used in place of ___. Circuit breakers A transformer's temperature rise rating refers to ___. The maxim...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - CORRECT ANSWER safety shorting probe for safety, assume that any facility constructed before 1980 has? - CORRECT ANSWER asbestos with of the following is the threshold at which a power source is considered high voltage in the context of safety? - CORRECT ANSWER over 600V- 600Volts insulated gloves must be inspected by the user? - CORR...

A charcoal filter in an air-purifying respirator should be changed _____. when the wearer detects any taste or smell A document issued by the site manager that allows a welder to perform operations with a potential risk of fire is a _____. hot work permit All of the following fabrics may be worn around sources of sparks or high heat except _____. polyester An exhaust hood should be located _____ the source of welding fumes. four to six inches away from An oxygen l...

1. goggles or safety glasses sleeves and pants 3. helmet with #10 shade lens 4. close-toed shoes er gloves List 5 items of proper clothing and welding attire. -Electric Shock -Fumes & Gasses -Flash Fire -Thermal Burns -Arc Rays (infrared & ultraviolet) List the 5 hazards of arc welding. -Fumes & Gasses -Flash Fire -Thermal Burns -High Pressure Cylinders -Infrared Rays/Heat List the 5 hazards of oxyfuel welding/cutting. Industrial Noise What is the universal ...

1) T F Do not chip welds without some kind of suitable protection over your eyes. True 2) T F It is not safe to arc weld bare handed. True 3) T F You need not warn others in the arc welding area before you start to weld, because they will see the light when you begin. True 4) T F Cool a hot piece of steel or write "hot" on it when you leave it in the shop, so that others will not come in accidental contact with the hot steel. True 5) T F Welding galvanized metal...

List 5 items of proper clothing and welding attire. 1. goggles sleeves on shirts 3. helmet 4. no loose threads or holes s Name the two light rays produced when welding that can harm the eyes. 1. ultraviolet 2. infrared Name the clothing condition that makes them very susceptible to catching on fire. loose threads, holes, or oily If you must weld near a flammable, such as wood, what should you do? Person on fire watch Who should do the wiring and repair of th...

Accidents are made more likely for employees in the age group a. 18 and under Body protection while welding is best provided by wearing c. Cotton clothing Which of the following is a correct statement c. The recommended shade for SMAW welding is 10-14 The potentially toxic coating that is used in galvanized metal is a. Zinc To make sure your respirator provides proper protection you must__each time you wear it b. Positive and Negative fit test must be performed ...

Safety is of paramount and horseplay will not be tolerated Good ventilation is required to prevent the buildup of oxygen fuel gas and toxic fumes Oxygen itself will not burn but the presence of pure oxygen will serve to accelerate combustion Oil and grease in the presence of oxygen can ignite and burn violently Clothing should include Long sleeve shirt and pants no matches or lighter in shirt pockets and tape pockets shut Hat turned backwards to protect from sl...

WHICH HARMFUL GAS WILL BE PRODUCED FROM THE INTENSE UV RADIATION ON THE SURROUNDING AIR? Ozone ONE OF THE PRIMARY BENEFITS OF GTAW IS THE FACT THAT VENTILATION IS UNECESSARY TRUE OR FALSE False True or False GTAW PRODUCES MORE VISIBLE LIGHT RAYS THAN FCAW WELDING? True GTAW USES A CONSUMABLE ELECTRODE TRUE OR FALSE FALSE WHAT DOES THE TERM " AUTOGENOUS " MEAN IN RESPECT TO GTAW WELDING ? A WELD PRODUCED WITHOUT THE USE OF A FILLER ROD . WHAT METALS ...