Boilermakers || Questions with correct solutions.

7 3/4 correct answers Subtract: 7 2/3 - 9 11/12 151' correct answers A boilermaker mechanic needs 12 lengths of 1/4" membrane. Each length is to 12'7". What is the total length of membrane needed? 31' 2" correct answers A welder needs tube sections (Dutchmen) in the following lengths: 8'10", 12' 5", and 9' 11". What is the total amount of tubing needed? 19" correct answers Add: 1/4 +11/12+5/6+1/2= Hazardous correct answers Vaporized metals such as zinc, cadmium, lead, chromium and beryllium are: Shielding gasses and deoxidizers, slag formers and ionizing agents correct answers The coating on the electrodes provides: Is a low-hydrogen electrode, Has tensile strength of 110,000 PSI, Can be used in all positions correct answers An E-11018 electrode: Amperage correct answers When adjusting a SMAW power supply you set the: Red correct answers Fuel gas hoses are usually colored: Class C correct answers What type of fire extinguisher should be used on electrical fires? Compressive strength correct answers ______________ of the metal indicates its ability to resist crushing. Oil correct answers What should one NEVER use on gas cylinders, regulators, connection, and hoses? Metallurgically compatible with base metal correct answers When it is necessary to use a backing strip to weld a joint, the backing must be: Second degree burn correct answers A burn that causes the skin to blister is referred to as a: Flow meter correct answers The amount of inert gas is controlled by the: Straight and reverse correct answers The two types of polarity of direct current flow are: Tensile Strength correct answers _________ is the resistance of a metal to a force that is acting to pull it apart. A DC power source correct answers Direction of current flow (polarity) can be chosen when using: Carburizing correct answers Which acetylene flame has an excess of fuel: