Millwright Gear Drives Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What is the pitch circle of gear? B. The circumference of the cylinder
A. The circumference of the wheel
B. The circumference of the
cylinder
C. The diameter of the cylinder
D. Diameter of a crankshaft
The line of contact between the D. Pitch line
two
cylinders is called the
_________which
extends across the face of the
teeth
A. Pitch circle
B. Row line
C. Anchor line
D. Pitch line
Amount of gear tooth above the A. Addendum
pitch circle is called the?
A. Addendum
B. Dedendum
C. Pitch length
D. Pitch arc
,The amount of gear tooth below B. Dendendum
the
pitch circle is called _____which is
equal to the addendum plus the
clearance
A. Addendum
B. Dedendum
C. Pitch length
D. Pitch arc
The gap between the working a. Clearance
depth
and the whole depth?
a. Clearance
b. Circular Pitch
c. OD
d. Diametral Pitch
The distance between two b. Circular Pitch
corresponding points on adjacent CP=3.1416/DP
teeth, measured on the pitch
circle?
a. Clearance
b. Circular Pitch
c. OD
d. Diametral Pitch
The number of teeth on the gear c. Diametral Pitch
divided by by the pitch diameter in **DP=N/PD
inches
a. Chordal thickness
b. Pitch Diameter
c. Diametral Pitch
d. Working Depth
, Diameter of pitch circle b. Pitch diameter
a. Chordal thickness
b. Pitch Diameter
c. Diametral Pitch
d. Working Depth
The total height of a tooth or the c. Whole Depth
total depth of a tooth space? **WHD=ADD+DED
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
The depth of the tooth d. Working Depth
engagement **WKD=2xADD
of two meshing gear teeth
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
The thickiness of the tooth (at the a. Chordal Thickness
pitch circle) on the face of the gear **T=1.57/DP
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
Answers with Verified Solutions | Latest
Updated 2026
What is the pitch circle of gear? B. The circumference of the cylinder
A. The circumference of the wheel
B. The circumference of the
cylinder
C. The diameter of the cylinder
D. Diameter of a crankshaft
The line of contact between the D. Pitch line
two
cylinders is called the
_________which
extends across the face of the
teeth
A. Pitch circle
B. Row line
C. Anchor line
D. Pitch line
Amount of gear tooth above the A. Addendum
pitch circle is called the?
A. Addendum
B. Dedendum
C. Pitch length
D. Pitch arc
,The amount of gear tooth below B. Dendendum
the
pitch circle is called _____which is
equal to the addendum plus the
clearance
A. Addendum
B. Dedendum
C. Pitch length
D. Pitch arc
The gap between the working a. Clearance
depth
and the whole depth?
a. Clearance
b. Circular Pitch
c. OD
d. Diametral Pitch
The distance between two b. Circular Pitch
corresponding points on adjacent CP=3.1416/DP
teeth, measured on the pitch
circle?
a. Clearance
b. Circular Pitch
c. OD
d. Diametral Pitch
The number of teeth on the gear c. Diametral Pitch
divided by by the pitch diameter in **DP=N/PD
inches
a. Chordal thickness
b. Pitch Diameter
c. Diametral Pitch
d. Working Depth
, Diameter of pitch circle b. Pitch diameter
a. Chordal thickness
b. Pitch Diameter
c. Diametral Pitch
d. Working Depth
The total height of a tooth or the c. Whole Depth
total depth of a tooth space? **WHD=ADD+DED
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
The depth of the tooth d. Working Depth
engagement **WKD=2xADD
of two meshing gear teeth
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
The thickiness of the tooth (at the a. Chordal Thickness
pitch circle) on the face of the gear **T=1.57/DP
a. Chordal thickness
b. Pitch Diameter
c. Whole Depth
d. Working Depth
