If the permissible crushing stress for the material of a key is double the permissible shear stress, then the sunk key will be equally strong in shearing and crushing if the key is a

Rectangular key with width equal to one-fourth the thickness

Rectangular key with width equal to half the thickness

Rectangular key with width equal to twice the thickness

If the permissible crushing stress for the material of a key is double

1.	If the permissible crushing stress for the material of a key is double the permissible shear stress, then the sunk key will be equally strong in shearing and crushing if the key is a
A.	Rectangular key with width equal to half the thickness
B.	Rectangular key with width equal to twice the thickness
C.	Square key
D.	Rectangular key with width equal to one-fourth the thickness
Answer» D. Rectangular key with width equal to one-fourth the thickness

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If the permissible crushing stress for the material of a key is double the permissible shear stress, then the sunk key will be equally strong in shearing and crushing if the key is a

If the permissible crushing stress for the material of a key is double the permissible shear stress, then the sunk key will be equally strong in shearing and crushing if the key is a

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