MILLWRIGHT LEVEL 1 ALL 2026/2027 TEST PAPER
QUESTIONS AND SOLUTIONS RATED A+
✔✔An ISO metric thread is designated by M14 x 2 - 6g. What is the pitch of this thread?
- ✔✔2MM
✔✔What are 2 types of tapered thread form? - ✔✔NPT and NPTF
✔✔The unified thread class that offers the tightest fit is: - ✔✔3
✔✔The designation that identifies a nut is: - ✔✔B
✔✔Marks on the head of a bolt indicate the: - ✔✔grade and tensile strength
✔✔A thread is designated 5/8 - 11 Class 2A. The thread shown: - ✔✔is an external
thread
✔✔The thread angle from an American National Acme Thread is: - ✔✔29 degress
✔✔A no go ring gauge is easliy identified by: - ✔✔annular ring on the knurled surface
✔✔Thread comparison gauges use __________ as a basis for thread size - ✔✔Pitch
diameter
✔✔Rolled threads are advantageous over machined threads because: - ✔✔They have
increased tensile strength
They produce a burnished thread finish
They have better wear resistance which reduces fatigue and shear problems
✔✔What does API stand for - ✔✔American Petroleum Institue
✔✔What kind of threads do Acme threads have? - ✔✔29 degree angle and the root and
crests are flat
✔✔Hex set screws may sometimes be doubled up - ✔✔True
✔✔What are cap screws made of? - ✔✔High tensile steel
✔✔How is a Woodruff key sized? - ✔✔First 2 numbers are multiplied by 1/32" and
second set of numbers are multiplied by 1/8"
✔✔A rivet is: - ✔✔a permanent fastener
✔✔What is the taper per foot of a tapered gib head key? - ✔✔1/8" per foot
, ✔✔What is the taper per foot of a tapered dowel pin? - ✔✔1/4" per foot
✔✔Cotter pins can be reused - ✔✔False. Cotter pins are a one time use
✔✔Which variable is the most important when determining spindle speed? -
✔✔diameter of the drill
✔✔Any machined surfaces on a drill press that could rust must be: - ✔✔Kept clean and
oiled
✔✔When installing a taper shank drill into the spindle bore, you must take several
precautions. What are they and why? - ✔✔Ensure taper and bore are clean, wipe with a
rag without scraping/marking internal taper, any burrs are removed or it'll throw the bit
off center
✔✔Cutting speed refers to: - ✔✔Peripheral speed
✔✔How fast should a 1/2" drill turn when drilling mild steel if the cutting speed is 90
sfpm? - ✔✔720 RPM
✔✔Small drills require a higher feed per revolution than larger ones. - ✔✔False
✔✔Which abbreviations is used to express the feed rate on a drill press? - ✔✔IPR
✔✔A drill press has a #2 Morse taper. A twist drill with a #3 Morse taper shank must be
mounted in the spindle. How should you secure the drill in the spindle? - ✔✔Use a drill
socket
✔✔To remove a tapered shank twist drill from the drill press spindle, use a: - ✔✔drill
drift
✔✔When using a sensitive drill press, what should you do as the drill breaks through
the workpiece? - ✔✔Ease up on the pressure
✔✔The included point angle of a countersunk hole for most flathead screws is: - ✔✔82
degrees
✔✔Which type of machine tap pushes the hip out ahead of the tap? - ✔✔Spiral pint
(gun) tap
✔✔The lip relief (clearance) angle of a drill should be: - ✔✔8-12 degrees
QUESTIONS AND SOLUTIONS RATED A+
✔✔An ISO metric thread is designated by M14 x 2 - 6g. What is the pitch of this thread?
- ✔✔2MM
✔✔What are 2 types of tapered thread form? - ✔✔NPT and NPTF
✔✔The unified thread class that offers the tightest fit is: - ✔✔3
✔✔The designation that identifies a nut is: - ✔✔B
✔✔Marks on the head of a bolt indicate the: - ✔✔grade and tensile strength
✔✔A thread is designated 5/8 - 11 Class 2A. The thread shown: - ✔✔is an external
thread
✔✔The thread angle from an American National Acme Thread is: - ✔✔29 degress
✔✔A no go ring gauge is easliy identified by: - ✔✔annular ring on the knurled surface
✔✔Thread comparison gauges use __________ as a basis for thread size - ✔✔Pitch
diameter
✔✔Rolled threads are advantageous over machined threads because: - ✔✔They have
increased tensile strength
They produce a burnished thread finish
They have better wear resistance which reduces fatigue and shear problems
✔✔What does API stand for - ✔✔American Petroleum Institue
✔✔What kind of threads do Acme threads have? - ✔✔29 degree angle and the root and
crests are flat
✔✔Hex set screws may sometimes be doubled up - ✔✔True
✔✔What are cap screws made of? - ✔✔High tensile steel
✔✔How is a Woodruff key sized? - ✔✔First 2 numbers are multiplied by 1/32" and
second set of numbers are multiplied by 1/8"
✔✔A rivet is: - ✔✔a permanent fastener
✔✔What is the taper per foot of a tapered gib head key? - ✔✔1/8" per foot
, ✔✔What is the taper per foot of a tapered dowel pin? - ✔✔1/4" per foot
✔✔Cotter pins can be reused - ✔✔False. Cotter pins are a one time use
✔✔Which variable is the most important when determining spindle speed? -
✔✔diameter of the drill
✔✔Any machined surfaces on a drill press that could rust must be: - ✔✔Kept clean and
oiled
✔✔When installing a taper shank drill into the spindle bore, you must take several
precautions. What are they and why? - ✔✔Ensure taper and bore are clean, wipe with a
rag without scraping/marking internal taper, any burrs are removed or it'll throw the bit
off center
✔✔Cutting speed refers to: - ✔✔Peripheral speed
✔✔How fast should a 1/2" drill turn when drilling mild steel if the cutting speed is 90
sfpm? - ✔✔720 RPM
✔✔Small drills require a higher feed per revolution than larger ones. - ✔✔False
✔✔Which abbreviations is used to express the feed rate on a drill press? - ✔✔IPR
✔✔A drill press has a #2 Morse taper. A twist drill with a #3 Morse taper shank must be
mounted in the spindle. How should you secure the drill in the spindle? - ✔✔Use a drill
socket
✔✔To remove a tapered shank twist drill from the drill press spindle, use a: - ✔✔drill
drift
✔✔When using a sensitive drill press, what should you do as the drill breaks through
the workpiece? - ✔✔Ease up on the pressure
✔✔The included point angle of a countersunk hole for most flathead screws is: - ✔✔82
degrees
✔✔Which type of machine tap pushes the hip out ahead of the tap? - ✔✔Spiral pint
(gun) tap
✔✔The lip relief (clearance) angle of a drill should be: - ✔✔8-12 degrees
