____________________ conveyors operate in series with end discharge

conveyors-operate-in-series-with-end-discharge

____________________ conveyors operate in series with end discharge transfer points.

A. Transfer

B. Feeder

C. Spreading

D. Unit

The question was posed to me in a job interview.

My question is based upon Conveying Equipment in chapter Construction Equipments of Construction & Building Materials

Right option is B. Feeder

The best I can explain: The Feeder belt conveyors are operated over an easily installed track system so that the feeder train can be retracted or extended without interrupting concrete placement. This conveyors are used to transport large volume of concrete.