Difficulty: Mixed
What should be read before operating a new power tool?
A A product slogan
B Manufacturer instructions
C A colour chart
D A neighbour’s guess
Answer: B. Manufacturer instructions. Read the manufacturer instructions for safe operation, limits, and maintenance.
Why do power tools use guards?
A Increase tool weight
B Measure the workpiece
C Replace eye protection
D Reduce contact with moving parts
Answer: D. Reduce contact with moving parts. Guards reduce exposure to moving blades, belts, or other hazardous parts.
When should a power tool be unplugged?
A While cutting material
B Before changing accessories
C During normal operation
D After every trigger press
Answer: B. Before changing accessories. Disconnect tools before servicing or changing blades, bits, and other accessories.
How should an electric tool be carried?
A By its handle
B By its cord
C By its blade
D By its trigger
Answer: A. By its handle. Carry power tools by their handles, not by the cord.
Which cord condition means a tool should not be used?
A Clean dry jacket
B Frayed insulation
C Intact plug
D Proper rating
Answer: B. Frayed insulation. Frayed insulation can expose conductors and requires repair or replacement.
Why keep power cords away from sharp edges?
A Increase voltage
B Prevent damage and shock risk
C Improve cutting speed
D Reduce tool weight
Answer: B. Prevent damage and shock risk. Sharp edges can damage insulation and expose electrical conductors.
Which location is unsuitable for a standard electric tool?
A Dry clear bench
B Well-lit room
C Ventilated workspace
D Wet or damp area
Answer: D. Wet or damp area. Do not use electric tools in damp or wet locations unless approved for that use.
What can prevent a workpiece shifting during drilling?
A Hold near the bit
B Rest it on a knee
C Balance it on a box
D Clamp it securely
Answer: D. Clamp it securely. Securing the workpiece helps prevent movement and improves control.
How should a drill bit be pressed into material?
A Force it aggressively
B Apply steady pressure
C Pull sideways
D Grip the spinning bit
Answer: B. Apply steady pressure. Let the drill do the work with steady pressure; forcing can cause binding or kickback.
What can happen if a drill bit binds?
A The bit becomes shorter
B The motor cools instantly
C The wall becomes level
D The tool can kick back
Answer: D. The tool can kick back. A stuck bit can create sudden torque and loss of control.
Which practice lowers accidental-start risk?
A Carry it by the cord
B Keep fingers off the trigger
C Tape the switch on
D Remove the guard
Answer: B. Keep fingers off the trigger. Keep fingers away from the trigger while carrying a plugged-in tool.
What should happen to a damaged power tool?
A Use it at low speed
B Remove it from use
C Wrap it in paper
D Share it carefully
Answer: B. Remove it from use. Damaged tools should be taken out of service until properly repaired or replaced.
Which protective item helps shield eyes from debris?
A Open sandals
B Safety glasses
C Loose scarf
D Cotton gloves
Answer: B. Safety glasses. Safety glasses help protect eyes from flying particles and debris.
When may hearing protection be needed?
A During quiet measuring
B While reading labels
C When storing tools
D When noise levels are high
Answer: D. When noise levels are high. Use hearing protection when tool noise poses a risk.
What helps control dust from cutting or sanding?
A Blowing dust around
B Dry sweeping quickly
C Working near children
D Suitable extraction or collection
Answer: D. Suitable extraction or collection. Use appropriate dust controls and respiratory protection for the material and task.
Why should loose clothing be avoided near rotating tools?
A It sharpens the bit
B It lowers motor speed
C It absorbs electricity
D It can become entangled
Answer: D. It can become entangled. Loose clothing, ties, and jewellery can catch in moving parts.
What is a useful pre-use tool check?
A Check brand popularity
B Inspect guards, cord, and body
C Polish the handle
D Measure room colour
Answer: B. Inspect guards, cord, and body. Inspect the tool, guard, cord, plug, and accessory before use.
Which accessory should fit the power tool?
A Any similar-looking part
B A damaged accessory
C An improvised piece
D One rated for that tool
Answer: D. One rated for that tool. Use accessories designed and rated for the tool and task.
How should a saw blade be changed?
A Change it while running
B Follow instructions with power off
C Hold the sharp edge
D Use a loose wrench
Answer: B. Follow instructions with power off. Turn off and disconnect the tool, then follow its instructions for blade changes.
What should happen if a saw guard sticks?
A Hold it open by hand
B Stop and repair it
C Continue at low speed
D Remove it permanently
Answer: B. Stop and repair it. Stop using a saw with a malfunctioning guard and have it repaired.
Why should hands stay away from a cutting path?
A Improve tool colour
B Increase cutting depth
C Reduce noise
D Prevent blade contact
Answer: D. Prevent blade contact. Keeping hands away from the cutting path reduces laceration risk.
Which surface is suitable for operating power tools?
A Wet slippery flooring
B Stacked loose boxes
C A moving chair
D Stable, dry footing
Answer: D. Stable, dry footing. Stable, dry footing helps maintain balance and tool control.
What should be used to disconnect a plug?
A Yank the cord
B Grip the plug body
C Pull the trigger
D Twist the wire
Answer: B. Grip the plug body. Pull the plug body rather than yanking its cord.
How should battery charging be done?
A Use any matching plug
B Cover it with cloth
C Charge near water
D Use the specified charger
Answer: D. Use the specified charger. Use the charger specified by the manufacturer and follow battery instructions.
What should be done with a swollen or damaged battery?
A Puncture it carefully
B Keep charging overnight
C Put it near heat
D Stop using; isolate safely
Answer: D. Stop using; isolate safely. Stop using damaged batteries and follow manufacturer or local disposal guidance.
Why should batteries be kept away from heat?
A Heat adds capacity safely
B Heat prevents damage
C Heat can cause failure
D Heat removes all risks
Answer: C. Heat can cause failure. Excess heat can damage batteries and increase fire risk.
Which tool can drive screws with powered rotation?
A Spirit level
B Electric screwdriver
C Claw hammer
D Paint scraper
Answer: B. Electric screwdriver. An electric screwdriver uses powered rotation to drive suitable screws.
What is a drill’s typical use?
A Make holes with a bit
B Measure a wall
C Smooth paint
D Check a pipe leak
Answer: A. Make holes with a bit. A drill rotates a bit to make holes in suitable materials.
Which power tool is commonly used to sand surfaces?
A Impact wrench
B Circular saw
C Power sander
D Heat detector
Answer: C. Power sander. A power sander smooths surfaces using abrasive material.
What should be checked before using a grinder?
A Correct guard and disc
B Disc colour only
C Cord length only
D Brand logo
Answer: A. Correct guard and disc. Use the correct accessory and guard specified for the grinder and task.
How should a grinder disc be inspected?
A Tap it on concrete
B Use it if cracked
C Check for damage
D Oil the abrasive
Answer: C. Check for damage. Inspect discs and do not use damaged or cracked accessories.
What can a saw’s kickback cause?
A Loss of control
B Automatic alignment
C Lower noise
D Faster cooling
Answer: A. Loss of control. Kickback can cause sudden movement and loss of control.
Which step can reduce kickback risk during cutting?
A Force the blade
B Remove the guard
C Support the work properly
D Stand in the cut path
Answer: C. Support the work properly. Proper support and following the tool manual can reduce binding and kickback risks.
Why should bystanders remain clear of the work area?
A Debris can travel outward
B They increase tool voltage
C They improve the cut
D They replace guards
Answer: A. Debris can travel outward. Keep others at a safe distance because fragments or debris may be ejected.
What should be done before cleaning a power tool?
A Hold the trigger
B Spray it while running
C Disconnect its power source
D Remove all labels
Answer: C. Disconnect its power source. Disconnect the tool before cleaning or servicing it.
How should a power tool be stored?
A Dry and secure
B Wet and unlocked
C Beside children
D With blade exposed
Answer: A. Dry and secure. Store electric tools in a dry, secure place.
What can reduce risk from long extension leads?
A Use a damaged cord
B Run through water
C Use a suitable rated cord
D Join loose wires
Answer: C. Use a suitable rated cord. Use a cord with an appropriate rating and keep it in good condition.
Which action may overload an outlet?
A Connect too many devices
B Use one rated tool
C Inspect the cord
D Turn off unused tools
Answer: A. Connect too many devices. Overloading outlets can cause overheating and fire.
What should be done if a tool smells burnt?
A Continue until finished
B Cool it with water
C Stop and disconnect it
D Cover the vents
Answer: C. Stop and disconnect it. Stop using the tool and disconnect it if safe; have it inspected.
Why keep ventilation openings clear?
A Prevent overheating
B Increase dust
C Change the blade
D Reduce the handle size
Answer: A. Prevent overheating. Blocked ventilation can cause a tool to overheat.
Which grip is safer while controlling a power tool?
A One finger on blade
B Loose wrist grip
C Firm two-handed grip when designed
D Holding by the cord
Answer: C. Firm two-handed grip when designed. Use the handles and grip specified by the manufacturer; many tools require two-handed control.
How should a power tool be used on a ladder?
A Avoid unsafe one-handed reaching
B Carry it while climbing
C Overreach from the top
D Balance it on a rung
Answer: A. Avoid unsafe one-handed reaching. Do not climb with tools in hand or overreach; use safe access and a proper tool-lifting method.
What should be done if the task requires removing a guard?
A Remove it permanently
B Ask someone to hold it
C Stop and choose safe method
D Tape it back
Answer: C. Stop and choose safe method. Do not defeat guards; choose a tool or method that keeps the protection in place.
Which task can be unsafe for an inexperienced DIYer?
A Work on live wiring
B Drill a marked hole
C Sand a board
D Tighten a cabinet screw
Answer: A. Work on live wiring. Live electrical work can cause severe injury and should be handled by qualified professionals.
What does double insulation on a marked tool indicate?
A A battery type
B A speed setting
C An added shock protection design
D A dust filter
Answer: C. An added shock protection design. Double-insulated tools use a design that provides an added layer of electrical protection.
Why should users avoid touching a drill bit immediately after use?
A It may be hot
B It becomes magnetic
C It loses its shape
D It contains water
Answer: A. It may be hot. Bits can become hot during use; allow them to cool and handle carefully.
What should be done when switching a tool off?
A Set it down while spinning
B Touch the blade
C Wait until movement stops
D Pull its cord
Answer: C. Wait until movement stops. Wait for moving parts to stop before setting the tool down.
How can long periods of vibration be managed?
A Take appropriate breaks
B Grip harder continuously
C Ignore numbness
D Use a damaged glove
Answer: A. Take appropriate breaks. Limit unnecessary continuous exposure and stop if numbness or tingling occurs.
What is the best response to unfamiliar tool behaviour?
A Continue faster
B Remove its safety switch
C Stop and check instructions
D Ask a child to inspect
Answer: C. Stop and check instructions. Stop the tool and consult the manual or a qualified repair person.
What should happen before setting down a power saw?
A Wait until the blade stops
B Keep it spinning
C Hold it by the blade
D Leave it on the trigger
Answer: A. Wait until the blade stops. Wait until all moving parts stop, then place the tool in a stable safe position.