Question on KBB PAT

[penny49]

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On keyholes practice set, question 13

Why the answer is not E?

The correct answer is D.

Thanks for your help!

 

[DrRoyal Pains]

Judging by the angle you look at the object, you will not be able to tell that the base is curved. For a trick, imagine crushing the object flat against a wall and that will be your answer.

 

[sacapuntas]

If you pass a sphere through a keyhole, it needs a circular shape to pass through. To me this picture included looks like a sphere on the bottom...am I seeing the picture wrong? If that is a sphere on bottom, it should need a curved passage such as E. Would not surprise me if this was a typo in the answer key.

EDIT: Unless that sphere on bottom isn't centered. If it is offset towards the front and small enough, I guess pass through D...I am on a 7" screen and can't see the picture that well!