Which of the following statements regarding the manufacturing systems are incorrect? (1). For a MRP system, customer demand forecast is essential for material control (2). For a pull system, larger lot sizes and shorter lead times are required (3). For a pull system, a JIT philosophy needs to be solidified within the organization (4). For a Kanban system, each work station need to respond independently from other work stations

An MRP method is employed to arrange the fabric needed for manufacture and dispatch. Its accustomed make sure that material is on the market for fabrication and merchandise are accessible for dispatch. For this designing request predictions are mandatory to stay the required material in order that product will be made on time and also the production method doesn't get halted. Therefore possibility one is correct.
In a pull method the material is made on request and for this simply in phase is incredibly necessary, therefore the association should be adapted to Just in time method and therefore possibility three is correct.
In a Kanban method stream of knowledge is vital for correct operational of offer restraint and for this each section ought to add agreement with the alternative sections and therefore the assumed possibility is false.