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About This Quiz
Almost every home has a power drill, one of the most common and versatile power tools on the market. If you want to learn how it works and how to use it properly, take this quiz.
What could be considered a very unconventional use for a power drill?
paint mixer
noise-maker to scare birds away
improvised surgery tool
Power drills have been used in emergencies as improvised surgical tools.
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In simple terms, how does a power drill work?
The incoming electricity is alternating current and the resulting force-field spins the chuck
A motor, activated by a trigger switch, drives a rotating chuck.
A trigger switch activates an electric motor that drives a rotating chuck. Many different accessories are available to drill holes, polish and so on.
The trigger switch sets in motion centrifugal force and the resulting vortex turns the chuck.
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When was the first handheld drill developed?
1895
It was developed in Germany in 1895
1937
1950
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What did the first drill weigh?
29 pounds (13.2 kilograms)
19 pounds (8.6 kilograms)
16.5 pounds (7.48 kilograms)
It weighed in at 16.5 pounds (7.48 kilograms).
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Which well-known power tool company invented the cordless electric drill?
Makita
Black & Decker
Black & Decker introduced the cordless drill in 1961.
Skil
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Corded power drills are rated in terms of amps. What does this refer to?
power available
The higher the numbers of amps (amperage), the more power it has.
weight of the motor
maximum chuck opening
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Are variable speed triggers available on modern drills?
No, modern drills don't need them.
Cheap drills need variable speed triggers to avoid overheating.
Almost all except the cheapest models have variable speeds.
Some cheaper drills have single speed triggers, but the more costly models have variable speed triggers.
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What does the clutch do?
ensures a firm grip on the drill bit
controls the rotational force of the drill
The clutch regulates the torque or rotational force of the drill bit.
regulates the direction of drill's spin
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If you hear a clicking sound when drilling, what does this usually indicate?
loose drill bit
faulty trigger mechanism
disengaged drill shaft
The clutch disengages the drill shaft when a preset clutch setting is reached, resulting in a clicking sound.
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What is a hammer drill?
has both rotational force and hammer action
Also called an impact drill, this tool has a hammer action in addition to its rotational force and is typically used to drill holes in walls.
a drill with a steel butt - used also as a hammer
an old-fashioned single speed electric drill
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What is a chuck?
secondary clutch mechanism
mechanism into which you insert the drill bit
The chuck is a mechanism into which you insert the drill or screwdriver bit, which holds it tight.
television show featuring power tools
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If you are given a twist bit, what would you usually use it for?
concrete
tighten the chuck
wood or metal
Twist bits are usually used to drill wood or metal.
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When you buy a tungsten-carbide-tipped bit, what are you going to drill?
concrete or masonry
These are usually used for concrete or masonry.
hardened steel
especially soft wood
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You are going to put up shelves on a concrete wall, what two features are you going to need?
variable speed cordless drill with any new bit
impact drill and a tungsten-carbide-tipped bit
You will need an impact drill and a tungsten-carbide-tipped bit.
a reinforced chuck and a low clutch setting
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What are the following: flat head, torque, spanner, Phillips, tri-wing, hex and torx?
drill accessories
different types of chucks
heads of screws
These are screw heads, the most common of which is the Phillips.
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How do drill accessories compare to a machine with the same function?
temporary and makeshift
They provide a makeshift solution that is not as good as the actual machine.
exactly the same
far superior
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What do larger twist bits tend to do when you begin drilling?
bite too quickly into the surface
tend to wander across the surface
They tend to wander across the surface being drilled.
cause chuck to make a clicking sound
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After marking where you want to drill, what can you do to ensure an accurate entry point?
Clean the surface with detergent.
Put a piece of masking tape over the spot.
Create a small crater with a punch.
Using a punch to create a small crater will help you drill exactly where you intended.
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When would you use the reverse function of a drill?
to remove screws
Reverse is usually used to remove screws.
to drill a cleaner hole
not recommended
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If your main power tool need is drilling in concrete in the house, what type of power tool would you choose, corded or cordless?
either
cordless
corded drill
A corded drill is typically more powerful, lighter and less expensive than its cordless counterpart.
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You Got:
/20
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