The horizontal shaft AD is attached to a fixed base at D and is sub$$jected to the torques T A $=205$ N$.$m and T B $=2625$ N$.$m shown. A $40-$mm$-$diameter hole has been drilled into portion CD of the shaft. Given that d o $=75$ mm$,$ d s $=35$ mm$,$ L AB $=440$ mm$,$ L BC $=180$ mm$,$ L CD $=610$ mm$.$ Knowing that the entire shaft is made of the same material for which G $=66$ GPa.

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Select the closest choice to your solution and ONLY TYPE THE LETTER IN THE BLANK $($A$,$ B$,$ C$,$ D$,$ E$)$:

$($Q$1)$ Determine the maximum shear stress $($MPa$)$ in the shaft CD$.$

A $37\mathrm{.}2$

B $52\mathrm{.}2$

C $2\mathrm{.}7$

D $34\mathrm{.}5$

E $34\mathrm{.}2$

Answer for $($Q$1)$ Blank $1$

$($Q$2)$ Determine the maximum shear stress $($MPa$)$ in the whole shaft AD$.$

A $34\mathrm{.}2$

B $102\mathrm{.}9$

C $52\mathrm{.}2$

D $37\mathrm{.}2$

E $48\mathrm{.}7$

Answer for $($Q$2)$ Blank $2$

$($Q$3)$ Determine the angle of twist $($degrees$)$ at end A$.$

A $1\mathrm{.}87$

B $0\mathrm{.}67$

C $1\mathrm{.}20$

D $0\mathrm{.}67$

E $0\mathrm{.}52$

Answer for $($Q$3)$ Blank $3$

$($Q$4)$ Determine the angle of twist $($degrees$)$ at end B$.$

A $0\mathrm{.}67$

B $1\mathrm{.}20$

C $0\mathrm{.}67$

D $1\mathrm{.}87$

E $0\mathrm{.}52$

Answer for $($Q$4)$ Blank $4$