Unit 5 - Beveling, Polishing, & Other Handwork

Question 1

Two types of hand bevel wheels are:

plastic & glass
wet & dry
ceramic & diamond
electroplated and non-electroplated

Answer 1

ceramic & diamond

Question 2

The sequence for hand beveling is:

rear, front, pin, apex
apex, front, pin, rear
front, rear, pin, apex
pin, front, rear, apex

Answer 2

rear, front, pin, apex

Question 3

Two factors which increase cutting speed are:

thicker lens, decreased pressure
increased pressure, slower rotation
lens shape, eyesize
faster rotation, finer grit wheel

Answer 3

increased pressure, slower rotation

Question 4

Two factors which decrease cutting speed are:

slower rotation, rough grit wheel
thicker lens, decreased pressure
lens shape, eyesize
increased pressure, slower rotation

Answer 4

thicker lens, decreased pressure

Question 5

For a lens that will be grooved for a nylon mounting, first a ____ bevel must be created.

V
50/50
flat
Hide-a-Bevel

Answer 5

flat

Question 6

When drilling lenses for 3-piece mounts, _____ affects the angle of the holes drilled.

lens material
drill bit length
drill bit diameter
lens base curve

Answer 6

lens base curve

Question 7

Choose the best materials for drill-mount lenses.

polycarbonate
CR39
Trivex
glass

Answer 7

polycarbonate, Trivex

Question 8

Three reasons for pin beveling are identified as:

breakage protection, cosmetics, wearer safety
base curve, OC placement, bevel placement
lens shape, lens thickness, lens diameter
lens material, frame size, frame type

Answer 8

breakage protection, cosmetics, wearer safety

Question 9

What is a pin bevel?

a safety bevel
a sharp V bevel
a glass lens bevel only
a flat bevel

Answer 9

a safety bevel

Question 10

Which frame types require pin bevels on the front and rear of the lens?

all frames
metal frames
rimless & semi-rimless
plastic frames

Answer 10

rimless & semi-rimless