Steamfitter Pipefitter Exam Review

This set of flashcards covers key concepts and definitions relevant to steamfitting and pipefitting, structured to aid in exam preparation and reinforce important technical knowledge.

Drip Pan Termination Height

A drip pan on a flat roof is typically terminated at 7 feet at a 45° cut.

Safety Valve Outlet Minimum Size

The minimum outlet size on a 2 inch safety valve is 1 inch.

Joining FRP Method

The most common method to join FRP (Fiberglass Reinforced Plastic) is Butt and Strap.

Best Sling for Fiberglass Lifting

A 3" wide polyester strap is recommended as the best sling for lifting fiberglass.

First Step for Air Test Preparation

The first step when preparing for an air test is to fill the system with water to check for leaks.

Transition Grinding Measurement

When transitioning pipe, for every 1mm transitioned, grind back by 4mm.

Expanding Anchor Installation Procedure

For an expanding type anchor, drill the correct size hole, insert the anchor, and tighten the locking nut.

Compressor System Component Sequence

The correct order of components before a receiver in a single stage compressor system is After Cooler, Moisture Separator, Receiver.

Pressure Gauge Recommendations

On a high pressure steam boiler with a safety valve at 30 psi, recommended pressure gauge range is 0 to 60 psi.

Hydraulic System Component Order

The order of components in a hydraulic system is Reservoir, Pump, Safety Valve, Directional Control Valve, Hydraulic Ram.

Strainer Pressure Gauge Purpose

Placed upstream and downstream of a strainer to see if the strainer is getting clogged.

Residential Natural Gas System Pressure

The maximum pressure of a natural gas system in a residential dwelling is 10 psi.

Double Disc Gate Valve Description

Double disc gate valve has two pieces that sit between two matching tapered seats in the body.

Pipe Cutting Measurement

When cutting pipe with cold cutters: it requires a 1/2" turn per revolution.

Hydrostatic Test Pressure Measurement

Hydrostatic test pressure should be set at 1 1/2 times the operating pressure.

Circumference Line Minimum Wrap Around

For making a circumference line, the minimum wrap around required is 2 times.

Waterlogged Expansion Tank Procedure

If an expansion tank becomes waterlogged, it should be drained and recharged with air.

Condensate Pump Control Instrument

The function of controlling the condensate pump in a tank is through a high-level sensor.

Acetylene Working Pressure

The maximum allowable working pressure for acetylene is 15 psi.

Heat Available from Baseboard Installation

25 feet of two-tier fin vector baseboard at 6.7 EDR/foot provides 40,200 Btu.

45 Degree Offset Run Calculation

Cutting a 45-degree offset with 200 mm travel results in a run of approximately 141 mm.

Sump Pump Hazards Consideration

Before replacing a sump pump, a lockout and confined space entry permit are required.

Purpose of Soldering Flux

The primary purpose of soldering flux is to prevent oxidation.

Standard Weight Pipe Thickness Criteria

At 350 mm, standard weight pipe maintains a constant wall thickness.

Common Sealant for Pipe Threads

A common sealant applied to pipe threads before connecting is called pipe dope.

Safety Valve Pressure Gauge Recommendation

Pressure gauges recommend a range of 0 to 60 psi for safety valves set at 30 psi.

Electrical Current Shock Levels

Current levels of 100-200 milli-amps can give a painful shock that prevents a person from letting go.

Solar Collection System Type

A solar collection system that utilizes a concentrated saline solution is known as a direct gain system.

Standard Steel Pipe Identification Letters

Standard steel pipe is identified as STD.

Difference between Thermocouple and Thermopile

The major difference is that a thermopile generates higher voltage than a thermocouple.

Silver Brazing Suitability for Aluminum and Tin

Aluminum and tin are not good candidates for silver brazing because the brazing will not adhere.

Vena Contracta Flow Measurement Limitation

Flow measurement using the vena contracta method is limited to pipe sizes of 2.5 inches and larger.

Arc Flash Hazard Category for Equipment

The arc flash hazard category for removal of electrical bolted covers is category 3.

Scaffold Support Requirements

A scaffold must be designed to support at least 4 times the load that may be imposed on it.

Safe Working Load of Wire Rope

The safe working load for a 1” diameter IWRC 6X19 wire rope is 16,000 lb.

Correctly Aligning Flexible Coupling

To align a flexible coupling on a base-mounted pump, a straight edge and feeler gauge are used.

Recovery Method for Locked Equipment

If the lockout key is not available, follow the site and company lockout protocol.

Recommended Factor for Thermo-Matic Traps

The recommended safety factor for thermo-matic traps is 2 to 3.

Pneumatic Grinder Speed Factors

The speed of a pneumatic grinder is affected primarily by air pressure.

Sleeve-Type Expansion Joint Procedure

If received fully compressed, the joint must be mechanically opened before installation.

Designation for 316L Stainless Steel

The designation 'L' indicates low carbon content in 316L stainless steel.

Soot Blower Consequence

A soot blower inserted into combustion gas stream will plug if no steam is flowing.

Steam Expansion Ratio

When water changes state from liquid to steam, it expands by 1,700 times.

Pipe Size and Configuration Reference

On a black malleable tee, '2 inches' refers to the larger run opening.

Pre-Commissioning Lube Oil System Requirement

Prior to commissioning a lube oil system, the test medium must be removed and the system filled with oil.

Definition of a Branch Fitting

A fitting with one outlet at an angle other than 90 degrees is a branch tee.

Hydraulic System Draining Procedure

Hydraulic systems require reservoir, pump, safety valve, directional control valve, and hydraulic ram.

Mechanical Engineer Consultation Requirement

Consult the project manager if materials without test reports are received.

Height Restriction for a Portable Ladder

A portable ladder must extend 1 meter above the platform.