Engineers Interview Questions

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A car on a hill of constant slope accelerates from rest under gravity to a point on the hill. If you want to maximize the velocity of the car at this point, where along the length of the car (e.g. downhill or uphill) would you fix an additional mass, if (a) the finishing point is on the slope of the hill or (b) the finishing point is on a flat below the slope of the hill.
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Mechanical Engineer

Interviewed at Apple

4.1
Jan 6, 2010

A car on a hill of constant slope accelerates from rest under gravity to a point on the hill. If you want to maximize the velocity of the car at this point, where along the length of the car (e.g. downhill or uphill) would you fix an additional mass, if (a) the finishing point is on the slope of the hill or (b) the finishing point is on a flat below the slope of the hill.

Write a program takes in a string and a delimiter, and uses that delimiter to split a string and then will reverse the characters in every word (or jumble of characters between the delimiters), stuffing them back into a string when finished. ('The dog walks' becomes..... 'ehT god sklaw')
Feb 28, 2013

Write a program takes in a string and a delimiter, and uses that delimiter to split a string and then will reverse the characters in every word (or jumble of characters between the delimiters), stuffing them back into a string when finished. ('The dog walks' becomes..... 'ehT god sklaw')

10 Gbytes of 32-bit numbers on a magnetic tape, all there from 0 to 10G in random order. You have 64 32 bit words of memory available: design an algorithm to check that each number from 0 to 10G occurs once and only once on the tape, with minimum passes of the tape by a read head connected to your algorithm.

Hardware Engineer

Interviewed at SandForce

4
Jun 25, 2009

10 Gbytes of 32-bit numbers on a magnetic tape, all there from 0 to 10G in random order. You have 64 32 bit words of memory available: design an algorithm to check that each number from 0 to 10G occurs once and only once on the tape, with minimum passes of the tape by a read head connected to your algorithm.

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