Portable power tools Flashcards
The purpose of a right-angle adapter is to enable drilling
For long periods of time
Blind holes
Hardwoods
In close quarters
In close quarters
The shank of a drill bit is held in the
Chuck
Grip
Nozzle
Suction Cup
Chuck
If you are drilling a hole all the way through a workpiece, you should ease up on the pressure when the bit
Is halfway through the work
Nears the other side
Sends chips out of the hole
Touches the work
Nears the other side
You should use a jig when
A right-angle adapter is not available
drilling a blind hole
Drilling at an angle
Drilling at high speeds
Drilling at an angle
You can prevent electric shocks from power tools by
Grounding them
Pulling out the grounding prongs
Using two-hole outlets
Working carefully
Grounding them
A “loaded” whetstone is
Jammed with metal and abrasive particles
Made of synthetic materials
Oil-filled
Very sharp
Jammed with metal and abrasive particles
Which part of a whetstone should be used for sharpening a pointed tool?
Center only
Sides only
Valley only
Entire surface
Sides only
A power tool with an abrasive wheel is called a
Bench grinder
Bench stone
Quadrant
Star-wheel dresser
Bench grinder
When sharpening a drill bit, you should hold a bit at a angle of _____ to the face of the grinding wheel
30°
45°
59°
74°
59°
When sharpening reamers, taps and dies, you should avoid grinding or whetting the
Chip holes
Edges of the lands
Flutes
Tops of the lands
Tops of the lands
A carbide tipped core bit is used for boring holes_____ in diameter
Smaller than ^1/2in.
Between ^1/2in. and 1^1/2in.
Between 1^1/2in. And 3^1/2in.
Larger than 3^1/2in.
Between 1^1/2in. And 3^1/2in.
When drilling with a diamond-aggregate core bit, you must use a special rotary hammer and a
Depth gauge
Stand
Starter bit
Voltmeter
Stand
Which of the following is used in maintaining the proper pressure and drilling speed when using an electric hammer?
Ammeter
Depth gauge
Ohmmeter
Voltmeter
Ammeter
When using an electric hammer, always wear
Earplugs
Finger guards
Gloves
Safety glasses
Safety glasses
What should never be removed from a three-prong plug?
Adapter plug
Grounding prong
Hang tag
UL-approved label
Grounding prong
The size of a pneumatic drill is determined by the
Diameter of the bit
Diameter of the chuck
Largest bit the chuck will hold
Speed of the motor
Largest bit the chuck will hold
You should use a depth gauge when drilling
At an angle
At high speeds
Blind holes
With a diamond-tipped bit
Blind holes
The removal of a thin layers of metal or rust from a surface is an example of
Chipping
Chiseling
Scaling
Tamping 
Scaling
When you use a pneumatic hammer, a flat-blade chisel is best for
Cutting asphalt surfaces
General chipping work
Removing old mortar from masonry seams
Removing rust from irregular services
General chipping work 
You should flush a pneumatic tool with kerosene when the tool
Becomes dirty
Becomes excessively noisy
Has a slight oil mist to the exhaust
operates sluggishly
Operates sluggishly
The speed of a power screwdrivers’s spindle at no load is called the tool’s
Capacity
Free speed
Maximum output
Stalling torque
Free speed
Electric nutrunners operate at no-load speeds of
0-2500 RPM
2500–5000 RPM
5000–7500 RPM
Up to 10,000 RPM
0–2500 RPM
The positive-drive clutch mechanism remains engaged as long as you press the
Bit onto the fastener
ON button
Throttle
Trigger switch
Bit onto the fastener
Most moisture is removed from a pneumatic tools air supply at the
Compressor
Filter
Lubricator
Regulator
Compressor
On pneumatic tools, the air hose should be at least one size larger than the
Air inlet
Filter
Pressure regulator
Whip hose
Air inlet
A saber saw cuts on the
Backstroke
Upstroke
Backstroke and upstroke
Orbital stroke
Upstroke
In regular set of saw blades, the raker is the
Short tooth
Straight tooth
Tooth bent to the left
Tooth bent to the right
Straight tooth
A circular saw is best for
Cutting curves
Cutting pipe
Long, straight cuts
Precision cutting
Long, straight cuts 
The blade motion of a reciprocating saw is
Back and forth in line with the motor
Circular
Side to side
Straight up and down
Back-and-forth in line with the motor 
Which saw cuts on the backstroke?
Bayonet saw
Jig saw
Reciprocating saw
Scroll saw
Reciprocating saw
The size of a circular saw equals the
Circumference of the blade
Cutting speed
Diameter of the blade
Horsepower of the motor
Diameter of the blade
The rip blade has
Both crosscut teeth and rakers
Teeth bent to alternate sides
Teeth that form a point
Teeth with a chisel shape
Teeth with a chisel shape
A rip guide limits the width of the cut to about
2 inches
4 inches
6 inches
8 inches
6 inches
A diamond grit wheel
Does not last as long as other cut off wheels
Must be supplied with water
Should be used dry
Should not be used to cut concrete
Must be supplied with water
A saw protractor has a movable arm, which can be set in small increments up to
180°
200°
270°
360°
180°
A wide channel cut in a material is called a
Dado
Groove
Mortise
Rabbet cut
Dado
Examples of template routing include
Dadoes
Grooves
Hinge-butt mortises
Rabbet cuts
Hinge-butt mortises
The display drawing shows a______ joint
Cross tap
Rabbet
Spine
Tongue and groove 
Rabbet
When planning a large surface you should
Be careful not to over tap the strokes
Feed the plane across the grain
Keep the tool tilted slightly
Work down the entire surface evenly
Work down the entire surface evenly
Advancing a router to fast causes
Burning
Glazing
Scoring
Splintering
Splintering
The motion of an orbital sander is
Back-and-forth in a straight line
Circular
Side to side
Up-and-down
Circular 
A pad sander is used with
Abrasive paper
Cloth pads
Finishing sand
Sanding disks
Abrasive paper
Do not use a pad sander for
Light finish work
Removing paint and varnish
Sanding surfaces that will be painted
Smoothing lacquer, varnish, and shellac finishes
Removing paint and varnish
Open coat 16–20 4–30 sanding discs are best for
Removing paint and smoothing surface irregularities
Removing scratches left by previous disks
Smoothing rough sanded surfaces
Smoothing services for painting, polishing or waxing
Removing paint and smoothing surface irregularities
The code on the back of a sanding bell indicates the________of the sandpaper
Backing material
Grade of grit
Length
Width
Grade of grit
Which symbol in the marking code on a grinding wheel, indicates the bond grade
First
Second
Third
Fourth
Third
The maximum safe speed for a grinding wheel with silicate bond is
6,500 SFM
12,500 SFM
15,000 SFM
16,000 SFM
6500 SFM
Pneumatic grinders often fail because of
A damaged commutator
Improper lubrication
Worn motor brushes
Worn motor springs
Improper lubrication
How often should the grease fittings in a pneumatic grinder be greased?
Every four hours
Daily
After 40 hours of use
Every month
After 40 hours of use 
A nibbler is rated according to
It’s cutting speed
It’s size
The size of its jaw opening
The thickest gauge of steel it can cut
The thickest gauge of steel It can cut
