View All num of num See all Photos KLA-Tencor This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.kla-tencor.com Work in HR? Unlock Free Profile Overview Reviews Salaries Interviews Jobs Photos Benefits 371 Reviews 1.3k Salaries 153 Interviews 141 Jobs Follow Add Review or Salary Follow Add Review or Salary Interview Question Associate Test Engineer Interview(Student Candidate) Milpitas, CA KLA-Tencor Last interviewer had an event in which he had three light switches that each controlled three different light bulbs and my job was to find which switch went to which light bulb. The environment was that I was in a room in which I could not see the light bulbs unless I left the room but if I left the room I could not go back into it. Tags: See more , See less 8 Answer Add Tags Flag as Inappropriate Thank you! Your feedback has been sent to the team and we'll look into it. Oops! We're sorry but your feedback didn't make it to the team. Your input is valuable to us — would you mind trying again? Send Answer Interview Answer 1 Answer ▲ 0 ▼ Turn one switch on and keep it on for a bit letting the light bulb warm up. Turn on another switch about 5 minutes later and turn off the first switch. Upon entering the room, the warmest light bulb that is off belongs to switch 1, the coolest belongs to switch 3, and the light bulb still on belongs to switch 2. Interview Candidate on Apr 17, 2012 Flag as Inappropriate Thank you! Your feedback has been sent to the team and we'll look into it. Oops! We're sorry but your feedback didn't make it to the team. Your input is valuable to us — would you mind trying again? Send Add Answers or Comments To comment on this, Sign In or Sign Up.