Programming exercise was good- you had 1:15 hr in XCode to write a simple iOS application with data persistence, implement a shake motion gesture, localize it into french and spanish, and ensure the UI resized correctly. Then you had to write the test cases for your app. All told if you knew what you were doing you should have the basics done in under an hour. From there you can spend the rest of your time making the UI pretty.
Nothing difficult as such.
question on details of input files
Explain everything about AHU and it's related equipment.
Fire alarm system design related questions based on NFPA 72
Class design and modeling
On the first round it was some regular question about what I've done and what is my interest.
Multiple rounds of culture fit and behavioral assessments. Positive experience. Technical round is for UML modeling assessment. Starts with basic requirements and gets complex.
Write a code based on divisibility of numbers.
From technical perspective, almost all questions were problem solving questions
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