Millwright – Power Tools – Study Guide & Practice Questions
Drill Press - correct answer ✔✔Consists of a stationary mounted drill, a drive motor, an
adjustable table, and the necessary controls, all mounted on a column with a base that is
fastened to the floor or to the bench.
Usually has some type of vise arrangement that fits in the table to hold the work being drilled.
Special jigs are used to hold odd-shaped objects on the table. - correct answer ✔✔The Drill
Press
Is adjusted by positioning the belt on the appropriate pulley. - correct answer ✔✔The speed of
the drill
When operating any type of drill press, lighten the feed pressure _________________? - correct
answer ✔✔Just before you breakthrough (also called piercing) the pierce.
Hydraulic presses can be vertical or horizontal, but the _______________ type is the most
common? - correct answer ✔✔Vertical
Shop presses vary in size from ______________ to _____________ capacities and may be hand
pumped or have electric pump to power the cylinder - correct answer ✔✔5-, 60-Ton
Can produce a great amount of pressure. If an excessive amount of pressure is applied to a part,
the part could reach the breaking point without any visible indication that too much pressure is
applied. - correct answer ✔✔Hydraulic Presses
The only way to determine the amount of pressure being exerted by the hydraulic press is to? -
correct answer ✔✔Watch the pressure Gauge
, Are designed with a gear drive and chucks, which hold and turn the pipe, and a three-position
selector switch consisting of forward, off, and reverse drive positions. - correct answer ✔✔All
pipe threading machines
Depending on size and complexity of the machine, pipe threading machines can be mounted on
____________, tables or special stands. - correct answer ✔✔Tripods
Come in a variety of models, from basic gear-drive type with front and rear pipe-holding chucks
to the all-purpose model with built in cutters, oilers, reamers, and a pipe threading die. - correct
answer ✔✔Pipe threading machines
Loading pipe into threading machine step 4 - correct answer ✔✔Turn the centering device
clockwise to tighten it
Loading pipe into threading machine step 5 - correct answer ✔✔Turn the handwheel
counterclockwise to tighten the chuck jaws. A counterclockwise turn tightens the jaws on the
pipe. A clockwise turn releases the jaws.
There are _______ sets of dies that are used to thread pipe up to 2 inches in diameter. - correct
answer ✔✔4
One set of that is used to thread pipe __________ in diameter and larger. - correct answer ✔✔2
1/2 inches
_________ are classified according to the number of threads per inch. - correct answer ✔✔Dies
Which is marked OPEN and CLOSE, is a quick release handle used to close the dies into the
threading position and open the dies to retract them away from the pipe. - correct answer
✔✔The Throw out lever
Drill Press - correct answer ✔✔Consists of a stationary mounted drill, a drive motor, an
adjustable table, and the necessary controls, all mounted on a column with a base that is
fastened to the floor or to the bench.
Usually has some type of vise arrangement that fits in the table to hold the work being drilled.
Special jigs are used to hold odd-shaped objects on the table. - correct answer ✔✔The Drill
Press
Is adjusted by positioning the belt on the appropriate pulley. - correct answer ✔✔The speed of
the drill
When operating any type of drill press, lighten the feed pressure _________________? - correct
answer ✔✔Just before you breakthrough (also called piercing) the pierce.
Hydraulic presses can be vertical or horizontal, but the _______________ type is the most
common? - correct answer ✔✔Vertical
Shop presses vary in size from ______________ to _____________ capacities and may be hand
pumped or have electric pump to power the cylinder - correct answer ✔✔5-, 60-Ton
Can produce a great amount of pressure. If an excessive amount of pressure is applied to a part,
the part could reach the breaking point without any visible indication that too much pressure is
applied. - correct answer ✔✔Hydraulic Presses
The only way to determine the amount of pressure being exerted by the hydraulic press is to? -
correct answer ✔✔Watch the pressure Gauge
, Are designed with a gear drive and chucks, which hold and turn the pipe, and a three-position
selector switch consisting of forward, off, and reverse drive positions. - correct answer ✔✔All
pipe threading machines
Depending on size and complexity of the machine, pipe threading machines can be mounted on
____________, tables or special stands. - correct answer ✔✔Tripods
Come in a variety of models, from basic gear-drive type with front and rear pipe-holding chucks
to the all-purpose model with built in cutters, oilers, reamers, and a pipe threading die. - correct
answer ✔✔Pipe threading machines
Loading pipe into threading machine step 4 - correct answer ✔✔Turn the centering device
clockwise to tighten it
Loading pipe into threading machine step 5 - correct answer ✔✔Turn the handwheel
counterclockwise to tighten the chuck jaws. A counterclockwise turn tightens the jaws on the
pipe. A clockwise turn releases the jaws.
There are _______ sets of dies that are used to thread pipe up to 2 inches in diameter. - correct
answer ✔✔4
One set of that is used to thread pipe __________ in diameter and larger. - correct answer ✔✔2
1/2 inches
_________ are classified according to the number of threads per inch. - correct answer ✔✔Dies
Which is marked OPEN and CLOSE, is a quick release handle used to close the dies into the
threading position and open the dies to retract them away from the pipe. - correct answer
✔✔The Throw out lever
