How to Test a Soda Machine?

Test a Soda Machine
Test a Soda Machine

Rationale: Its very common for a interviewer to put some open-ended questions and observe the interviewee’s thought process.

Sample answer from a professional point of view

Test a Soda Machine, It’s just a word, It doesn’t provide full information for testing,some of my ideas related to this open ended question e.g.


  • In terms of a feature; Test the tap function while serving the soda, Measure the iciness of soda, measure the size of a soda container while filling and then measure the size of soda while getting from tap


  • In terms of part; iciness module, cooling engine, soda tapped functions, tank functions.


  • Test the coolness of soda machine on certain weather condition,
  • Test the freshness of soda while serving to customer on different-2 conditions,
  • Test the taste of soda by preserving soda n number of days on different temperature,
  • Test the soda machine on certain simulated environment


  • Test while manufacturing the soda machine, e.g. test the solidness of a cabinet, test the leakage of the tank.
  • Test on time to time on different-2 phases of manufacturing of soda machine
  • Test the usability of machine
  • Test the machine after assembly

If you please let me know some specific/exact information about soda machine then the above approach can be made specific.


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Since last 15 years in different geographical locations, Sumit prepared hiring format for several hiring managers/teams to hire the balanced talents and interviewed talents on the various stages of their selection process. He also interviewed by hundreds of companies in different geographical locations.His best conclusion for hiring teams and candidate is to prepare in advance. Here ‘advance’ means keep your interview book ready and continue to update it even you are not going to interview candidates or applying for any job in next six months.