Question

Machine breakdown and repair in a twelve machine factory having three repair mechanics would develop which type of queuing system line structure concerning machine breakdowns? single channel, single phase single channel, multiphase multichannel, single phase multichannel, multiphase none of the above

Answer 1

The answer is Multichannel, single phase.  Machine breakdown and repair in a twelve machine factory having three repair mechanics would develop a  Multichannel, single phase queuing system line structure concerning machine breakdowns.  It is Multiple servers, one phase of service.