The correct answer to this open question is the following.
Although there are no options, we assume it is a true or false question. If that is the case, then the correct answer is true.
It is true that the mechanical effect of an electoral system refers to the way that votes are translated into seats.
Elections have a mechanical effect in that mathematical procedures and regulations make the elections accurate with minimum error margins. This is important because this gives citizens and institutions the clarity and certainty o believe that the electoral process is clear with no bias.