Pipefitter Nccer V4 study guide 2022/2023 with complete Solution

OSHA approved anchorage point - ANSWER when working from a suspended scaffold, wear a safety belt that is securely tied to the 3 1/2 - ANSWER a toe board must be what minimum height to comply with OSHA safety standards for scaffolding? 30 PSI - ANSWER What maximum Air pressure may be used for cleaning? 18.21 in. - ANSWER A tank has a diameter of 58ft, the circumference of the tank is 182.23ft, one degree of diameter equals 6.07 in. Three degrees of diameter will equal? 6'-8 5/8" - ANSWER A piece of 2" pipe is being cut to run between two 90 Degree threaded fittings, the center to center measurement of the fittings is 7'-2 1/2" What is the cut length of the pipe? 7.3750 in. - ANSWER Convert 7 3/8" to decimal equivalent 255 Sq.Ft - ANSWER what is the area of a rectangle that is 25'-6" long and 10'-0" wide? ( A= W x L ) 40 Sq.FT - ANSWER what is the sq. footage of the surface area of a steel plate measuring 120 in. long by 48 in. wide? 119'-3 1/2" - ANSWER A 14" SCH carbon steel pipe is being installed in a pipe rack. The center line elevation of the pipe will be 120' -3 1/2". what will the bottom of pipe elevation be? 4.67 ft - ANSWER The decimal of 56in. is 401.1 - ANSWER A tank holding 3,000 Gal. of water contains of many . of water? ( one Gal. equals 0.1337 cu. ft) .25 - ANSWER How much is 3" in hundredths of a foot? Use two rigging sling that are double wrapped and chocked one chocker is placed about 5ft from each end of the bundle - ANSWER which of the following methods could be used to rig a 20 foot long bundle of six rebar rods that will be pick up by a small crane? three feet - ANSWER ladders use with scaffolding must extend above the landing from a minimum distance of Machine Bolt - ANSWER What can be used for a shackle pin as long as the thread patterns match? vertical lifting - ANSWER Chain hoist are primarily designed for use a double wrap on the chocker to prevent the chocker from sliding on the pipe - ANSWER A pipe will be lift with wire rope slings. Which of the following techniques should be used? 1 1/16in - ANSWER What is the layout length of a 1 in. 3,000 pound threaded tee? vertical - ANSWER A three legged pipe jack can be adjusted tapers 1/16 in. per in. - ANSWER the NPT pipe thread three to four turns - ANSWER A pipe has been threaded with a rigid 535 machine and now the threads are to be checked with a fitting. How many turns are normally sufficient to check the threads? cut and thread pipe a maximum of 2" in diameter - ANSWER a pipe machine is used to 4'- 7 7/15" - ANSWER A new 1 1/2" threaded line being run needs to change elevations from the centerline elevation of 101.3' at column L -6 to the new centerline elevation of 96.4' at column L-5. Use 90 Degrees, 3,000 LBs. Threaded fittings, and calculate the thread engagement with the pipefitters handbook. what cut length of 1 1/2" pipe is needed? nipples - ANSWER Short lengths of pipe, threaded on both ends and used to make connections between fittings , are called every day - ANSWER an excavation must be inspected a minimum of swedge - ANSWER A fitting used to join female ends of threaded pipe of different sizes is referred to as a a sump pump - ANSWER A pump that can be submerged into a liquid in order to remove that liquid is called sloping - ANSWER Employees working in excavations can be protected from cave-ins by cutting the excavation walls to the soil's angle of repose. This method is known as clean the male and female end of ductile before interlocking - ANSWER what is the first step of interlocking two joints of iron pipe? chain hoist or chain fall - ANSWER What is the most commonly used light lifting device? Stap Wrench - ANSWER Which of the following tools is used to install a 2" threaded stainless steel pipe in a fitting Tee bolt - ANSWER What kind of bolt is used in a cast iron mechanical joint flange? one quarter inch on the drawing equals one foot of actual size - ANSWER on a blueprint, a note that says 1/2" = 1' means a plan view drawing - ANSWER a top down view of the structure being erected is found on pipe diameter - ANSWER All of the following drawing dimensions are used to determine the overall length of run of a pipe except an ordinate line - ANSWER a line drawn along the surface of the pipe at division points that serves as a guide for cutting and marking contours is known as 1'5" - ANSWER the missing measurement for dimenstion is thaper on end - ANSWER what does the abbreviation T.O.E stand for? isometric - ANSWER what drawing gives an overall view of the operational aspects of the end procest Nondemostrated Evaluation - ANSWER NDE , when used in connection with materials , is an abbreviation for Orthographic - ANSWER Which of the following drawing types represents a three dimensional view of a line of pipe with the horizontal lines drawn at 30 degree angles? acetylene is unstable above this pressure - ANSWER one inch plate is to be cut. The acetylene regulator on the cutting rig should not be adjusted over 15 PSI, becasue 5 1/8" inches - ANSWER A six inch 90 degree " Saddle on " for a 12 inch header is to be fabricated. How far apart will the ordinate lines for this layout be? the root face on the bevel will be about as thick as a dime - ANSWER pipefitters have just finish preparing the end of the pipe for butt welding. The put a " Dime" edge on the bevel. This means that