Boilermaker Test

When are steel chain slings recommended?. When lifting above 600 ft. When lifting weight over 15000 lbs. In high heat conditions. When rigging from 3 points.

A big control valve is pulled. Who's responsible for the rigging?. Crane operator and rigger. Pipe fitter and millwright. Process operator in boiler Maker. Labor and pipe fitter.

What should be used to hold the pipe when setting up two 40 foot joints of 16 inch STD WT Pipe. 3 legged V top jacks. 4 legged roller top checks. 3 legged roller top jacks. Pipe fitter chain wise.

The hitch made by wrapping the sling around the load, then passing one eye of the sling throughout a shackle is called?. Basket hitch. Choker hitch. Bridle hitch. Grommet hitch.

When should rigging material be attached to a beam that is being demolished?. Before the last 2 bolts are removed from each clip. Before any bolts are removed or any cutting is done to the beam. After the last 2 bolts have been removed. But before any cutting is done on the beam. After cutting is done on the beam.

Which of the following has a greater possibility of being a respiratory hazard?. Asbestos. Coreten. Hot slag. Inconel.

Which type of insulation is required before a vessel is entered?. Locking, tagging and blinding lines that feed the vessel. Blinding all lines at enter the vessel. Locking and tagging valves the feed vessel. Bleeding lines to feet the vessel.

According to osha, oxygen and acytle cylinders in storage must be separated by what minimum distance. 10 ft. 15Ft. 20 ft. 50 ft.

What is the first thing a boiler Maker should do before cutting into a tank or vessel. Make sure a proper permit has been obtained. Determine the content. Make sure the vessel is completely empty. Lay the vessel on its side.

What tool is normally used to check the alignment on the horizontal seams of the shell plates?. A 2 foot level. A string level. A pocket scale. A water level.

What is used to expand tubes inside mud and steam drums. Rolling motors and espanders. Rolling bits and expanders. Rolling barls and expanders. Rolling pins and expanders.

What does a grooved nut on an acetylene rig indicate?. The right hand thread is for oxygen use only. The left hand thread is for oxygen use only. The right hand thread is for acytelene use only. The left hand thread is for acytelene use only.

Thermal bevelinn of pipe in preparation for welding requires use of an. Heating iron. Grinder. Soldering copper. Oxyfuel Torch.

A 1 inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 Psi?. Most acytelene cylinders are too small too to put on this volume for flow. It cost the company money. Acetylyne is unstable above this pressure. Most cutting torches will not accept this pressure.

What action should be taken if a boiler tube fails?. Remove the tube and do not replace. Plug the tube inside the steam drum. Replace the filled tube. Replace the boiler.

Before a wall burner is pulled for inspection. The Crown seal must be removed. The fuel gas valve must be shut. The lube oil valve must be shut. The quench oil valve must be shut.

Which of the following is a type of insulation used in inside Furnaces. Blue mud. Inconel. Firebrick. Plastic.

What does MTW mean in reference to boiler tubing?. Minimum, weight tested. Minimum wall thickness. Maximum weight tested. Maximum, wall thickness.

On a drawing what is used to record any changes to the drawing. Coordinates. Revision block. Title block. Notes.

Scales on a drawing are usually written in. Inches and feet. Metric tons. Decimal form. Yards.

Dimensional measurements can be found on all of the following except. Isometric. Mechanical and flow diagram. Plan view. Side view.

All valves elevations are taken from the. Top of steel the embed ring(base plate). Top of concrete on the vessel foundation. Top of grout on the vessel foundation. Bottom of steel on the embed ring (base plate).

A gate valve is being removed from a product line. All of the following procedures must be performed except. Product must be drained from the line. Valve must be closed in position. Line must be blinded upstream from the valve. Line must be blinded downstream from the valve.

What is a spud wrench most commonly used for?. Breaking difficult bolts. Aligning flanges. Adjusting bubble caps. Prying flanges apart.

What types of valves are typically used on a site glass to direct flow?. 3 way valves. Gate valves. Globe valves. Plug valve.

Handhole cap and plug material is verified by. MSDS. NBIC. Material test report. P4 report.

What are the 4 major components of a gate valve?. Body, hardware, bolts and gasket. Bonnet, Packing, process and flow. Body, bonnet, gate, and steam. Gate, flow, packing and bolts.

What is the most commonly used fasteners in boiler construction?. Mastic. Epoxy. Threaded. Keyway.

On-site who determines what grade of material to be used for repair?. Foreman. Project manager. QA/QC. Boiler Maker.

What is the best tool to be used to prepare XXH2-Inch tubing for welding. Rolling motor. Grinder. Milling motor. Flat file.

All of the following tools are used in preparation of the butt weld of tube accept. Grinder. Flapper wheel. Chipping gun. Milling machine.

What preparations must be made for the Springcan hangers of a section of a pipe before hydro testing can be. No preparation must be done. Put the travel stops in the spring. Remove the travel stops and set the hangers. Set the screen test mode.

Which of the following connecting units are used on pipe hangers. C-clamps, dreaded rods and beam clips. Turnbuckles, beamclips, and C-clamps. Eye bolts, Turn buckles, threaded rods. Eye bolts, Turn stalls, beam clips.

Which of the following materials may be used to safely secure scaffold boards to a platform?. Industrial grade rope. Wood screws. 12D nails. #9 tie wire.

For high temperature service one end of a stud should be. Mark B7. Marked B16. Marked with 3 radial lines. Without markings.

How should bolt on an 8 bolt flange be tighten?. In a circular pattern. In a crossover pattern. Tighten each bolt to finger tightness, then use channel lots.

What is the primary reason for high point vents in hydro testing?. To purge air pockets. To provide waterfillpoints. To place a gauge in the area. To prevent a vacuum when the system is drained.

What are the most commonly used fasteners?. Anchor bolts. Tossel Bolts. Eye bolts. Threaded bolts.

Why must Spring can't be adjusted after they are put into service?. To spread the product load evenly among the tubes. Because the lines become heavier when they are in service. Because Springs can have a tendency to return to their original lengths. To compensate for metal fatigue that will stretch the Springs.

Variable spring can support should be used on what type of Piping. Piping that moves vertically and does not need constant support. Piping that moves horizontally and does not need constant support. High pressure and low temperature pipe. Piping that must be supported at all times during thermal expansion in contraction.

Which are the following fasteners, is used on concrete. Eye bolt. Toggle bolt. Expansion anchor bolt. Self tapping bolt.

After installation of a variable pipe support, a boiler Maker should verify the. Proposed length of travel has no obstruction. Code stamping is attached to the canister. Spring is properly seated in supported. Proper code it code is Applied.

How should tubes be attached in drum holes?. Screwed. Rolled. Inserted. Glued.

A major component of a tower is A. Gate valve. Attemporator. Actuator. Downcomer.

What is indicated by the notation "3inch, 150#" On an isometric drawing. 3 inch radius a 150# flange. Three inch Diameter 150# torque. 3inch diameter 150# line. 3 inch diameter 150# flange.

What is a preferred type of rigging material used to lift coated pipe?. Nylon slings/straps. Wire sling's. Chains. Wire mesh slings.

The best source for information about welding on a tube is the. Pipe fitter. Foreman. Owner. QA/QC.

Equal-width grating panels are being unloaded on the job site. One piece measures 4 1/2 feet in width. There are 7 panels. What is a total width when all the panels are laid side by side?. 31 feet. 31 1/2 feet. 32 feet. 32 1/2 feet.

What is a demister pad used for?. Filtering chemical/vapors. Plugging up tray levels. Restricting flow. Increasing flow.

Who's responsible for blocking valves That isolate a reboiler before work is begun. Operations. Crew Foreman. Craftsman. Competent person.

The channel head cover on an exchanger is used on the. Bundle. Nozzles. Shellside. Tube side.

What type of steel beams are attached to the furnace wall with clips to contain a boiler's horizontal expansion?. Channels. Headers. Buck stays. Drains.

Who determines the size and type of Spring can be used. Foreman. Boiler Maker. Engineer. QA/QC.

How many bolts must be removed so that A 3inch, 150# flange cannot be hot bolted. 4. 2. 1. 0.

How often must entry permits be updated in normal working hours. Every hour. Every 2 hours. Every 3 hours. At the end of each shift change.

All of the following would be reasons for rejecting a synthetic sling for rigging except. A missing identification tag. A terror or cut on the sling. And identification tag on the wrong side of the sling. Accessive signs of wear.

Tube expanding is a method of. Hot working. Cold working. Out welding. Connecting.

Why should a full port valve be used for a corrosion probe?. To ensure full penetration. So the probe can be installed without hanging up. So the probe will not corrode the valve. So the valve can be closed.

What is back gouging?. Removing metal from the other side of a welded joint. Remove in burrs from the side of drilled holes. Making deep indantion into metal surfaces. Cutting holes into backside of a vessel.

What type of purge must be maintained when a catalyst is removed from the reactor?. Argon. Hydrogen. Oxygen. Nitrogen.

Where should the shell side gasket on the new tube bundle be installed?. Over the floating head end of the tube bundle before the bundle is put back in the exchanger. Between the floating head end of the tube bundle and the channel cover. Between the floating head and the show gasket sealing surface. Between the channel cover and the show gasket sealing surface.

Chain hoist are primarily designed for what type of lifting. Horizontal lifting. Lifting in any location. Vertical lifting. Lifting in close quarters.

What type of valve is used on a hydro test tree to maintain test pressure after the hydro has reached its required pressure. Butterfly. Gate. Check. Relief.

If the sling angle decreases, sling stress. Decreases. Stays the same. Increases. Becomes zero.

What substance is resistant to oil and solvent? But has poor resistance to chemical. Natural rubber. Neoprene. Nitrile. Silicon.

A reboiler in a tower is being hydrotwstes. The water should be at what level. Bottom manway. Top manway. Above the reboiler. Below the reboiler.

What type of drawing shows the precise dimensions of a section or part the larger plan?. Site. Scale. Detail sheets. Schedule.

A workers installing a blind in a flange for blinking off. The gas line to the burners the appropriate gasket cannot be found. What should the worker do?. Put the bling in the flange and tighten the bolts. Do not continue installing the blind until. The proper gasket is located. Select a similar sized gasket to the original size needed and continue to install. Make a gasket from any available Material.

What is the most commonly used light lifting device?. Screw Jack. Change hoist. Hydraulic Jack. Air tugger.

Why should a boilermaker crack the cylinder valve before connecting the regulator to the oxyacetylene cylinder?. To put extra pressure on the hoses. To clean the cylinder valve, oh foreign matter. To check that the valve will work. To allow air to win to enter the cylinder.

What is one way to permanently Support a pipe in pipe rack?. With shoes. Isometric. P&ID. Orthographic.

Which role of fractions is in the correct numeral order?. 1/8, 3/16, 1/4, 5/16, 3/8, 7/16. 7/16, 3/8, 5/16, 1/4, 3/16, 1/8.

What is the typical procedure to install tubes in a steam drum?. Tig welding. Stick welding. The tubes are rolled. The tubes are threaded.

What must be locked out before a tube can be removed safely from the reboiler. Fireside and waterside. Feed water pumps. Economizer side. Switch gear.

How many people can tie off to a vertical life line?. Everyone on a scaffold. Anyone with in 6 feet of the line. Only 1 person. In maximum of 2 people.

What is the name of the heated interior of the boiler?. Firebox. Outside box. Hot box. Inside box.

The maximum fillet size in a tube to drum seal weld should be?. 1/8 inch. 1/4 inch. 3/8 inch. 1/2 inch.

What is meant by overheating a metal within oxyacetylene torch?. Heating the metal until it's too hot to touch. Heating to a temperature that impairs the metal. Scorching the metal. Heating the metal until it melts.

Thermalcouples are used for. Measuring the water flow through tubes. Measuring the gas pressure in the furnace. Indicating the temperature of the metal to which it's attached. Indicating the steam flow through the holes.

What size generating tube stock is permitted inside the steam and mud drum of a boiler?. 1/8 to 1/4 inch. 3/8 to 3/4 inch. 7/8 to 1 inch. 1 1/2 to 2 inch.

What are the first 2 blinds turned on a tower being taken out of service. Inlet and outlet. Reflux and drain. Reagan blind. Site glass and level alarm.

What tubes run vertically in a furnace?. Tertiary. Rediant. Convection. Fin fan.

On an open root weld on plate, the combined grooved angle of the beveld. 30°. 45°. 60°. 90°.

What is meant by the letters RFWN. Raised frame weld neck. Raised front weld neck. Raised face weld neck. Raised faced wide neck.

A boiler Maker is installing trees in a tower. Where should the wired plates the installed. Between the trays. On top of the trays. On the bottom of tower wall. On the inside of the tower wall.

Where is the convection section of a heater located?. Above the radiant tubes. Below the radiant tubes. Beside the radian tubes. Outside the heater.

A leak in a fin fan is being repaired while hydro testing is being conducted on a piping system. What should be done during the repair?. The gaskets should be checked. Pressure should be relieved before any tightening is strarted. All the water should be drained. The Fin fan should be tightened while under pressure.

The channel head cover on an exchanger is used on the?. Bundle. Nozzles. Shell side. Tube side.

Where is the demister pad usually located?. Bottom of a tower. Top of a tower. Side of a tower. At the stump.

What can be used in place of a shackle pin?. B7 stud. B8 stud. Thread bar stock. Nothing.

What are 3 types of basic hitches?. Vertical, choker, sling. Vertical, choker, basket. Eye Hook, choker, basket. Shackle, basket, vertical.

What are lifting lugs?. A rigging material used to clamp onto services such as shell plates or sheet metal. Pilots bits be used to drill precisions holes in metal plates. Eyelets welded to a stell plate for lifting. Devices used to align vertical plates at the weld.

What is a primary purpose of P&ID. Show origin, destination, types of control mechanisms, and mechanical flow. But it's not drawn to scale. Provides detailed scaled information on elevations, coordinates and measurements of instruments. Provide skilldrawings of piping and instrumentation control systems. Shows tubing supports and tubing tray installation locations to scale with detailed elevations.

Eye Bolts, Anchor bolts and self tapping bolts are all types of. Fastners. Aligning tools. Trim. Test equipment.

How much is 3 inches in hundredths of a foot?. 0.15. 0.25. 0.35. 0.5.

How is a plate dog used?. It clamps on to a flat shell plate for lifting the plate into position. It is a guide for drilling precision pilot holes in a metal plate. The eyelets are welded on to flat plates for hoisting. It buffers to align vertical plates at the weld.

Why are there balll checks on-site glass valves?. To allow easier feeling with the sight glass. To stop the flow if there are leaks or if the sight glass breaks. To permit the site glass to be removed without interrupting the service. To permit easy installation and remove of valves.

What type of gasket is usually used in when a steam service drum is blinded. Spiraled wound. Teflon. Exchangers. Fernaces.

The length of a rectangle is 8 feet 6 inches and the width is 4 feet 7 inches. What is the parameter?. 13 feet 1 inch. 26 feet 2 inches. 381 inches. 11 inches.

What is the proper way to attach 2 slings together?. Tie the 2 together. Use a choker. Use a shackle. Use a wire rope clip.

What is a rosebud normally used for?. Soldiering metal. Cutting metal. Grinding metal. Heating metal.

Which of the following characteristics of a gasket must be checked for the gasket is installed in a flange?. Color. Width. Length. Material.

How should a boiler maker Determine the proper size gasket to install in a set of flanges. Check the blueprint. Check the specifications. Check the size and rating stamped on the flanges. Check the equipment installation details.

What type of gasket is normally used on a flange valve in a high pressure/high temperature line. Flexitalic spiral Wound. Garlock. Neoprene rubber. Permatex paper.

A boiler Maker who is hydrostatically testing a exchanger should have which of the following information. The size of the exchanger?. The correct test pressure. Exchanger material. The manufacturer of the exchanger.

When an exchanger is blinded, spacers are used. Instead of a gasket one side of the exchange flange. To space, open the exchanger side for steaming or nitrogen purge. To straighten, a thin slip blind. To achieve proper bolt engagement.

When an exchanger tube is plugged, why is the tube cut before the second plug is installed?. To prevent pressure buildup. To stop flow through the tube. To prevent a hydraulic effect. So that the plug can be driven deeper.

When performing welding repair? You must have a copy of what on hand. The welding procedure specifications. The quality assurance manual. The contractors insurance Certificate. The contractor's personal records.

Rigging is to be done with a wire sling over a steel beam. When is a softener required?. When the load is heavy. At all times. If the load is to be shifted. Is the steel edges or sharp?.

Where can the past partition of an exchange are be found?. On the vent. On the channel cover. On the channel head. On the bundle.

A reinforcement pad is used on the show of a vessel to. Provide backing wile the nozzles are being welded. Provide anchor points for scaffold erection. Strengthen nozzles and manways. Correct elevation differences between the plates.

What tool is typically used to remove hole caps From a stainless steel header?. Cutting Torch. Hand held plate drill. Arc gouger. Circular grinder.

Where is the exchanger blinded during a tube side pressure test?. On the lower flanges. On the upper flanges. On the channel head flanges. On the shell side.

What is the value of Pi?. 3.142. 3.15. 3.41. 3.5.

What is the sum of 3 7/8 + 2 5/8 + 3/16?. 6.375. 6.500. 6.625. 6.750.

What is a different elevation between a point at 14 feet, 1/8 inch and a point at 11 feet 1 3/4 inches. 2 feet 9 3/4 inches. 2 feet 10 3/8 Inches. 3 feet 1/16 inches. 3 feet 11 3/8 inches.

The most commonly used wrench sized for tray work is. 7/16 inch. 9/16 inches. 3/4 inches. 7/8 inches.

What minimum number of bolts must be removed when an 8 inch 300# slip blind is blinded. 3. 5. 8. 12.

What information is found on the exchanger name plate?. Date the exchanger was last serviced. Date the exchanger was last installed. Exchanger operating pressure. Name of the competent person responsible for exchanger.

What component must be removed before a U-Tube bundle can be removed. Bell head. Splash plate. Channel head. Baffle.

A boiler Maker is hydro testing an exchanger and finds that a tube is leaking. What, should the boiler maker used to stop the leak?. A leak seal. Plugs. C5 - A. Epoxy.

What wrench size is required to tighten a nut on a 7/8inch heavy hex head bolt in a flange?. 1 1/16 inches. 1 7/16 inches. 1 3/4 inches. 1 7/8 inches.

A boiler Maker must have all of the following when working inside a vessel except. Flashlight. An entry point. A flange spreader. A hole watch.

A pipe will be lifted with wire ropes slings, which of the following techniques should be used. Use softeners to prevent scratching the pipe. Use a double wrap on the choker to prevent the choker from sliding on the pipe. Use a single wrap on the choker to prevent the chopped from sliding on the pipe. Use 4 rigging on slings to prevent scratching the pipe.

What should be used to secure a socket to an impact wrench?. Retainer rings. Tie wraps. Metal pen and tie wraps. Rope and metal pin.

A pressure differential hydrotest on an exchanger is one. That is 1 1/2 times the operating pressure. In which the shell and tube sides are pressurized at the same time. In which the shell and tube sides are hydrotested at different time. That is different when fire water is used on the shell and a hydro pump is used on the tubes.

What is the total length of 4 1/ 16 inches 5 1/8 inches 2 3/4 inches and 7 3/8 inches. 18 3/16 inches. 19 1/8 inches. 19 3/16 inches. 19 5/16 inches.

1ft 3-3/4 in+ 2ft. 1-1/16 in.+ 5ft.10-7/8in.=. 8ft 11-1/4 in. 8ft. 11-7/8in. 9ft.1-11/16 in. 9ft. 3-11/16 in.

A cylindrical tank is 10 feet high and 7 feet in diameter. What is your proximate volume of a tank? (V=PI*RADIUS2*HEIGHT). 38.5 cubic feet. 70.0 cubic feet. 385.0 cubic feet. A 1540.0 cubic feet.

What tool is used to stop leaks on the tube sheet of exchangers?. Welder. Spud bar. Hammer and lineup bar. Rolling motor.

When my slip blinds be thicker than 3/8. Inch when an exchanger is blind is off. When a 3/8 inch or smaller slip blind is unavailable. When a larger space is needed for proper bolt engagement. When the hydrotest exceeds pressure greater than what 3/8 inch slip blind is rated for.