Grade 10 building construction – Plumbing Tools and Equipment Quiz

1. Which tool is most suitable for gripping and turning round pipes in plumbing work?

Flat chisel
Pipe wrench
Claw hammer
Spirit level
Explanation:

A pipe wrench has serrated jaws and an adjustable head designed to grip and turn round pipes; hammers, chisels and spirit levels are not for turning pipes.

2. Which tool is specifically designed to reach and tighten nuts behind washbasins and taps?

Pliers
Basin wrench
Pipe cutter
Heat gun
Explanation:

A basin wrench has a long handle and swivelling head made to access and tighten the confined nuts behind basins and taps, where ordinary pliers cannot reach.

3. What is the main use of a plumber's snake (drain auger)?

To tighten compression fittings
To solder copper joints
To measure water pressure
To clear blockages inside drains and pipes
Explanation:

A plumber's snake (drain auger) is used to reach and remove hair, grease and other obstructions from inside drains; it does not measure pressure, tighten fittings, or solder joints.

4. Which tool gives the cleanest, most accurate cut on plastic (PVC) pipes?

Flat file
Hacksaw
Plastic pipe cutter
Brick trowel
Explanation:

A plastic pipe cutter is designed to cut PVC cleanly and squarely; a hacksaw can cut PVC but less neatly, and trowels or files are not cutting tools for pipes.

5. What is the primary purpose of PTFE (Teflon) tape in plumbing?

To solder copper pipes
To join two pieces of PVC by solvent welding
To measure pipe diameter
To seal threaded pipe joints against leaks
Explanation:

PTFE tape is wrapped around male threads to provide a better seal and prevent leaks on threaded fittings; it is not used for soldering, solvent welding, or measuring.

6. Which tool is commonly used to solder (braze) copper pipes in plumbing installations?

Electric drill
Blow torch (soldering torch)
Pipe wrench
Plunger
Explanation:

A blow torch provides the heat required to melt solder so copper joints can be brazed; drills, pipe wrenches and plungers do not provide heat for soldering.

7. Which tool is used to bend small-diameter copper or soft metal pipes without kinking them?

Bolt cutter
Adjustable spanner
Pipe bender
Tin snips
Explanation:

A pipe bender supports the pipe and applies gradual force so copper or soft metal pipes bend smoothly without kinking; other tools listed are not for bending pipes.

8. Which tool is most appropriate for cutting threads on metal pipes at a job site?

Caulking gun
Phillips screwdriver
Pipe die and threading tool
Hacksaw blade
Explanation:

A pipe die and threading tool cut precise threads on metal pipes so fittings can be screwed on; hacksaw blades cut only, and screwdrivers or caulking guns cannot create threads.

9. What is the purpose of flux when soldering copper pipe joints?

To paint the pipe for corrosion protection
To clean the metal and help solder flow into the joint
To measure joint gap
To seal threaded joints
Explanation:

Flux removes oxides and promotes wetting so solder flows and bonds the metals; it is not a paint, thread sealant, or measuring tool.

10. Which tool should you use to temporarily stop a blocked sink from leaking while you clear the drain?

Basin wrench
Adjustable spanner
Pipe cutter
Plunger
Explanation:

A plunger creates suction to dislodge blockages in sinks and toilets and can temporarily help clear a drain; basin wrenches or spanners are for fittings, and pipe cutters cut pipes.

11. Which tool is best for tightening or loosening nuts and bolts when their exact size is not known on site?

Torque wrench
Hack saw
Plunger
Adjustable spanner
Explanation:

An adjustable spanner can be adjusted to fit a range of nut and bolt sizes, making it useful on site; a torque wrench requires known sizes and calibration, while hacksaws and plungers are unrelated.

12. Which tool is used to check that a pipe or fixture is horizontal during installation?

Pipe cutter
Plumb bob
Pipe wrench
Spirit level
Explanation:

A spirit level shows whether a surface or pipe is horizontal (level); a plumb bob checks vertical alignment, and pipe wrenches/cutters do not measure level.

13. Which simple tool is commonly used to check vertical alignment (true vertical) of a wall or pipe?

Basin wrench
Adjustable spanner
Plumb bob
Hacksaw
Explanation:

A plumb bob hangs from a string and uses gravity to show true vertical for walls or pipes; saws, spanners and basin wrenches are not alignment tools.

14. When joining two soft copper pipes without soldering, which fitting is commonly used?

Welded flange
Compression fitting
Epoxy glue
Threaded steel coupling
Explanation:

Compression fittings join copper pipes by compressing a ferrule with a nut and do not require soldering; threaded steel couplings and welded flanges are for other materials, and epoxy is not suitable for standard plumbing joints.

15. Which safety equipment should every plumber wear when cutting pipes or using a torch?

Sun hat
Rubber boots only
Safety goggles and gloves
Ear plugs only
Explanation:

Goggles protect eyes from flying particles and sparks, and gloves protect hands from cuts and heat; while rubber boots may be used, goggles and gloves are essential for cutting and torch work.

16. Which measuring tool is best for quickly measuring the length of a pipe on site?

Calipers
Spirit square
Protractor
Measuring tape
Explanation:

A measuring tape is portable and suitable for measuring pipe lengths on site; calipers measure small diameters, protractors measure angles, and spirit squares are for checking right angles.

17. Which tool would you use to hold a pipe securely while you cut or thread it?

Plunger
Adjustable spanner
Pipe bender
Pipe vice (pipe vise)
Explanation:

A pipe vice clamps and holds the pipe firmly in place during cutting or threading; plungers or spanners do not provide secure clamping, and a pipe bender is for bending.

18. Which device is used to test a water pipe system for leaks under pressure?

Noise meter
Spirit level
Thermometer
Hydrostatic pressure tester (pressure pump and gauge)
Explanation:

A hydrostatic pressure tester fills the system and applies pressure while a gauge monitors for drops indicating leaks; thermometers, noise meters and spirit levels do not test leaks.

19. Which tool helps remove rusted or rounded nuts and bolts on old plumbing fixtures?

Adjustable locking pliers (vice grips)
Plunger
Measuring tape
Soldering torch
Explanation:

Locking pliers can clamp tightly onto rounded or rusted nuts to provide grip for turning; plungers, tapes and torches do not provide gripping force for nuts.

20. Which tool is used to cut threads on a pipe fitting while it is held in a bench vise?

Pipe cutter
Basin wrench
Hacksaw
Die stock with appropriate die
Explanation:

A die stock and die are used to cut external threads on pipes or fittings; hacksaws and pipe cutters cut rather than thread, and basin wrenches are for tightening fittings.

21. Which material is safest to use for temporary sealing of a leaking threaded joint until it can be properly repaired?

Paper towel
Cooking oil
Sand
PTFE tape (Teflon tape)
Explanation:

PTFE tape is designed to seal threaded joints temporarily or permanently; cooking oil, sand or paper towels will not seal and may cause more damage.

22. Which hand tool is best to cut small diameter metal pipes in a tight space where a hacksaw cannot swing?

Mini tube cutter
Adjustable spanner
Plunger
Sledgehammer
Explanation:

A mini tube cutter clamps around the pipe and rotates to score and cut it in tight spaces; spanners, sledgehammers or plungers are not cutting tools.

23. Which tool is used to remove old sealant and make a pipe surface clean before applying new jointing material?

Measuring tape
Plunger
Pipe bender
Wire brush
Explanation:

A wire brush scrapes off old sealant, rust and debris to give a clean surface for new sealant or soldering; plungers and measuring tapes do not clean surfaces.

24. Which piece of equipment is commonly used by plumbers to cut large diameter concrete-encased pipes or chase channels in walls?

Basin wrench
Soldering torch
Angle grinder or diamond blade cutter
Pipe cutter (PVC type)
Explanation:

Angle grinders with appropriate blades or diamond cutters can cut through concrete and large metal pipes in chase work; basin wrenches, PVC cutters or torches are not suitable for concrete cutting.

25. Which tool would most help you identify the source of a hidden leak inside a wall before opening it up?

Pipe bender
Plunger
Tape measure
Moisture meter
Explanation:

A moisture meter detects elevated moisture levels behind surfaces and helps locate leaks without unnecessary demolition; plungers, tape measures and pipe benders cannot detect hidden moisture.

26. What is the primary use of a pipe wrench on plumbing work?

Sealing threaded joints
Measuring pipe diameter
Gripping and turning round pipes and fittings
Cutting pipes to length
Explanation:

A pipe wrench has serrated jaws designed to bite into rounded pipes so the plumber can grip and turn them; it is not used for cutting, measuring, or sealing.

27. Which tool is best for cutting PVC plumbing pipes cleanly?

Bolt cutter
Pipe cutter (PVC cutter)
Hole saw
Plunger
Explanation:

A pipe cutter made for PVC produces a neat, square cut with minimal burrs; bolt cutters and hole saws are unsuitable and a plunger is not a cutting tool.

28. Which tool is used to clear deep blockages in drains and sewers?

Basin wrench
Adjustable spanner
Plunger
Plumber's snake (drain auger)
Explanation:

A plumber's snake (drain auger) extends into the drain to break up or pull out deep blockages that a plunger cannot reach.

29. Which tool is designed to reach and tighten nuts behind a basin or sink tap?

Spirit level
Pipe vice
Basin wrench
Hacksaw
Explanation:

A basin wrench has a long handle and swivelling jaw specifically made to access and turn the confined nuts behind sinks and basins.

30. What is PTFE tape (commonly called plumber’s tape) used for in plumbing?

Cleaning pipe interiors
Sealing threaded pipe joints to prevent leaks
Gluing PVC joints
Cutting pipes to size
Explanation:

PTFE tape is wrapped on pipe threads to help seal joints and reduce the chance of leaks; it is not an adhesive or cutting tool.

31. Which personal protective equipment (PPE) is most important to use when soldering copper pipes?

No protection needed
Safety goggles
Baseball cap
Flip-flops
Explanation:

Safety goggles protect your eyes from hot flux, molten solder and sparks during soldering; footwear and headwear do not protect the eyes.

32. Which tool is used to check that a pipe or fitting is perfectly horizontal?

Plumb line
Tape measure
Spirit level
Threading die
Explanation:

A spirit level shows whether a surface is horizontal or vertical using a bubble; a plumb line checks vertical alignment, not horizontal level.

33. What tool will bend copper tubing without kinking it?

Pipe bender (tube bender)
Hammer
Pipe cutter
Adjustable spanner
Explanation:

A pipe/tube bender supports the tube while bending so it keeps a smooth curve without kinks; a hammer would damage the pipe.

34. Which tool is most suitable for tightening or loosening hexagonal nuts on plumbing fittings?

Pipe wrench
Hacksaw
Adjustable spanner
Plunger
Explanation:

An adjustable spanner (adjustable wrench) fits flat-sided (hex) nuts and allows controlled turning; a pipe wrench grips round pipes and is not ideal for hex nuts.

35. Which product is commonly used to join and permanently bond PVC pipe joints?

Solvent cement (PVC glue)
Threading die
Solder
PTFE tape
Explanation:

Solvent cement chemically softens and fuses PVC surfaces to create a permanent joint; solder is for copper and PTFE tape seals threads, not PVC socket joints.

36. Which instrument is used to measure water pressure in a domestic plumbing system?

Plumber's snake
Spirit level
Pressure gauge (manometer)
Pipe cutter
Explanation:

A pressure gauge measures water pressure in pipes so plumbers can test supply pressure and find leaks or issues; other items do not measure pressure.

37. What tool helps visualise the inside condition of a sewer or drain without digging?

Plunger
Hacksaw
Inspection (sewer) camera
Basin wrench
Explanation:

An inspection camera (sewer camera) is pushed into drains to view blockages and pipe condition on a screen, avoiding excavation.

38. Which tool makes a neat cut on copper pipe for soldering work?

Tube/pipe cutter for copper
Adjustable spanner
Bolt cutter
Electric sander
Explanation:

A tube/pipe cutter designed for copper produces a smooth, square cut ideal for soldering; bolt cutters and sanders are inappropriate.

39. What is another common name for a plumber’s snake?

Pipe vice
Drain auger
Basin wrench
Threading die
Explanation:

A plumber’s snake is often called a drain auger; it is used to break up or pull out obstructions in drains.

40. Which tool is used to scrub and remove rust or scale from inside a metal pipe manually?

Plunger
Wire brush (pipe brush)
Spirit level
Pipe cutter
Explanation:

A wire or pipe brush scrubs the interior and faces of pipes to remove rust, scale or debris before joining or soldering.

41. Which tool holds a pipe firmly in place while you cut or thread it?

Pipe vice
Hacksaw only
Plunger
Basin wrench
Explanation:

A pipe vice is specifically shaped to grip round pipes securely so cutting, threading or filing can be done safely and accurately.

42. What tool is used to cut screw threads on the end of a metal pipe?

Wire brush
Hand saw
Threading die or pipe threader
Plunger
Explanation:

A threading die or pipe threader cuts precise screw threads on pipe ends so threaded fittings can be joined securely.

43. Which plunger type works best for clearing a bathroom sink?

Cup (sink) plunger
Toilet flange plunger
Pipe wrench
Auger only
Explanation:

A cup plunger has a simple rubber cup suited to flat sinks and basins; a toilet flange plunger is shaped for toilets and is less effective on sinks.

44. Which tool is used to drill holes in ceramic tiles for pipe or tap fittings?

Plunger
Pipe cutter
Wood drill bit
Diamond or carbide-tipped hole saw
Explanation:

A diamond or carbide-tipped hole saw is designed to cut through hard ceramic or porcelain tiles cleanly for pipe penetrations.

45. What is a blow lamp used for in plumbing jobs?

Applying heat for soldering or bending metal pipes
Measuring pipe length
Cutting PVC easily
Sealing threads with tape
Explanation:

A blow lamp (portable torch) provides heat needed to solder copper joints or soften metal for bending; it is not a measuring or cutting tool.

46. Which product is often used instead of PTFE tape to seal and lubricate threaded metal pipe joints?

Solvent cement
Pipe joint compound (pipe dope)
Tile adhesive
Wood glue
Explanation:

Pipe joint compound is a paste applied to threads to lubricate and seal them; it is used on metal threads where paste is preferred over PTFE tape.

47. Which tool is the quickest to use for removing a simple toilet blockage at home?

Pipe cutter
Plunger (toilet plunger)
Plumber's pliers
Basin wrench
Explanation:

A toilet plunger (with a flange) creates the suction and pressure needed to dislodge common toilet blockages quickly; other tools are not designed for this.

48. What measuring tool gives a precise external diameter of a pipe for selecting fittings?

Hammer
Pipe vice
Spirit level
Vernier caliper
Explanation:

A vernier caliper measures outside and inside diameters accurately, which helps select the correct-size fittings; a spirit level and hammer cannot measure diameter.

49. Before working on a household water pipe, what important action should a plumber take first?

Call the neighbour
Turn the mains water supply off
Start cutting immediately
Leave taps running
Explanation:

Turning off the mains water prevents flooding and makes the job safe; starting without isolating the supply risks water damage.

🔐 Login Required

Login to attempt quizzes and track your performance

Login