Before you change from one tapered-shank drill bit to another, make sure to

Clean the chips from the shank and spindle

Lubricate the spindle shank

Remove the old bit with a file

Sand any nicks or burrs off the chuck

You back a large-diameter drill out of thick stock periodically and clear out chips to avoid

Breaking the drill

Changing lubricants

Excessive rpm of the drive motor

Spontaneous ignition of the chips

What is a good rule to follow in planning the order of machining steps?

Never change the setup between drilling and counterboring a hole

Never change the setup between drilling and spotfacing a hole

Plan the order to include as few changes in setup as possible

Use the most powerful machine that will do the work

For holes over .5 in. in diameter, you should use either a _________ or a _________.

Gear-head drill press; radial drill

Radial drill; manual drill

Sensitive press; radial drill

Turret-type drill; sensitive press

You must drill a .5-in. hole in a workpiece of hard cast iron (recommended cutting speed of 70 sfpm). What is a good, approximate spindle speed?

160 rpm

280 rpm

320 rpm

560 rpm

In order to hold a workpiece securely between centers on a cylindrical grinder, you must

Fasten it with clamping screws

Magnetize the end chucks

Tighten the spindle drawbolt

Use pressure from the footstock

An essential requirement for beginning a grinding project is to

Align the table with a dial indicator

Allow enough surplus material for grinding

Ensure an ample flow of clean coolant

Mount a fresh point on the wheel dresser

All of the following can be finished with a surface grinder EXCEPT

A flat surface on a rectangular workpiece

The shoulders on a cylindrical workpiece

The taper on a drive key

Two surfaces that meet at an angle greater than 90

Which calculation will give you the approximate rotation speed (rpm) for a workpiece on a cylindrical grinder?

sfpm x workpiece diameter

sfpm x 2 workpiece diameter

sfpm x 3 workpiece diameter

sfpm x 4 workpiece diameter

When the wheel is wider than the raised surface to be ground, the procedure to use is

Bumping the shoulder

Directional grinding

Plunge grinding

Traverse grinding

Which of the following must you do before mounting a workpiece in the shaper vise?

Adjust the clapper box

Dial in the cutting speed

Indicate-in the vise or worktable

Mount the roughing cutter in the tool post

What is the actual total overtravel made by the ram in one complete cycle of its stroke when the machine is set up according to recommended guidelines?

¹/₂ in.

³/₄ in.

1 in.

1 ¹/₄ in.

Which of the following operations is especially well-suited for a horizontal shaper, and is usually not possible to do on any other machine?

Cutting a slot or keyway

Facing a flat surface

Milling a flat surface

Polishing an interior surface

When you mount a block-shaped workpiece in a shaper vise, the last step in seating the workpiece is to

Indicate-in the vise with a dial indicator

Insert strips of paper on the parallels

Make sure the vise jaws move freely

Tap the work lightly with a soft mallet

he most distinctive feature of a typical precision vise for shaping operations is its

Ability to tilt

Automatic feed stop

Built-in T-bolts

Swivel base

Which of the following can only be cut on a power hacksaw or horizontal bandsaw?

Angle irons

Profiles

Round stock

Wheel-puller bodies

If the vertical bandsaw you use requires solid one-piece guide inserts, you must select a pair of upper and lower inserts to match the

Depth and diameter of the cut

Size of the workpiece

Width and thickness of the band

Width of the feed mechanism

When you set up a light-duty horizontal bandsaw, how will you set the bandspeed?

Change the drive belt position

Flip the selector switch on the motor housing

Push the speedset button

Turn the belt-tensioning knob

When you install the band in a horizontal bandsaw, the teeth must point

Downward and to the right

Downward and to the left

Upward and to the left

Upward and to the right

After you cut apart the band of a vertical bandsaw, how should you clean the band ends before rewelding them?

Clean them with solvent

Sand them

Wipe them with a light oil

Wipe them with a clean, dry rag

An advantage of the stub boring bar over a line boring bar is that it

Allows you to bore large holes

Decreases vibration

Has a longer tool life

Increases the reach

When you align a workpiece having a premachined hole, and using a dial indicator mounted in the spindle, what you are really checking for is

Absolute diameter

Concentricity

Depth

Smoothness

What tool is most practical to use when you must rough bore an especially long work area?

Adjustable head

Facing head

Multiple-point boring tool

Single-point boring tool

If you cannot withdraw the boring bar to check the bore diameter, you may need to use a(n)

Depth gauge

Inside calipers

Inside micrometer

Transfer template

Which operation on a boring mill requires the use of a power cross-slide tool head?

Facing

Flycutting

Multiple-point boring

Slotting