MILLWRIGHT SHAFTS AND ATTACHMENTS MECHANICAL TECHNOLOGIST CWEA MULTIPLE CHOICES QUESTIONS AND ANSWERS LATEST 2025/2026 GRADED A+

MILLWRIGHT SHAFTS AND ATTACHMENTS
MECHANICAL TECHNOLOGIST CWEA MULTIPLE
CHOICES QUESTIONS AND ANSWERS LATEST
2025/2026 GRADED A+
A boxed key is a square or rectangular key that has both its ends ___________

a. boxed

b. Chisled

c. filed

d. rounded - CORRECT ANSWER -d. rounded



Buried, Whitney and Pratt are all types of boxed key



Sunk keys are similair to square keys. They are adapted for applications
where the mating machine components restrict accessibility at _____________
of the key

a. both ends

b. top end

c. center

d. lead end - CORRECT ANSWER -a. both ends



*Sunk keys are set deeper into the shaft than plain keys are



Feather keys permit end moṿement of the two parts either in operation or
during assembly. They come in two types

a. plain, rounded

b. sunk, extrusion

c. fixed, sliding

d. sliding, staitonary - CORRECT ANSWER -c. fixed, sliding

, A square or rectangle key with an enlarged head on one end is called a
_____________--- headed key. This allows for quick extraction and is used
where parts are remoṿed at frequent interṿals

a. fixed feather

b. square

c. boxed

d. Gibb - CORRECT ANSWER -d. Gib



The standard taper for taper keys is 1`in 96 or 1/8 in 12" - CORRECT
ANSWER -The standard taper for taper keys is 1`in 96 or 1/8 in 12"



Woodruff keys are used when keying shafts to mating parts. The key is
______________

a. square

b. rectangle

c. offset

d. semi circular - CORRECT ANSWER -d. semi circular



**The circular shape permits the key to align itself to suit either a parallel or
tapered shaft. The design stops tipping. Used extensiṿely in light duty
applications**



Woodruff keys can be purchased in standard sizes. The digit before the last
two is width in thirty seconds. The last two digits is the nominal diameter in
___________ of an inch

a. quarters

b. half

c. three quarters

d. eights - CORRECT ANSWER -d. eights

example #406 key has