appropriate back - up materials for a ceramic tile shower stall include all of the following except\nmortar…

appropriate back - up materials for a ceramic tile shower stall include all of the following except\nmortar and lath\ndrywall\nmoisture resistant drywall\nlightweight concrete panels\nplywood\nquestion 19\nthe fixture in the house that is going to have the weakest flow and drainage is\nthe lowest fixture in the house\nthe smallest fixture in the house\ntoilets because they have only cold water supply\nthe highest fixture in the house\nthe fixture closest to the dishwasher (usually the kitchen sink) because the dishwasher uses so much water

appropriate back - up materials for a ceramic tile shower stall include all of the following except\nmortar and lath\ndrywall\nmoisture resistant drywall\nlightweight concrete panels\nplywood\nquestion 19\nthe fixture in the house that is going to have the weakest flow and drainage is\nthe lowest fixture in the house\nthe smallest fixture in the house\ntoilets because they have only cold water supply\nthe highest fixture in the house\nthe fixture closest to the dishwasher (usually the kitchen sink) because the dishwasher uses so much water

Answer

Brief Explanations:

For the first question, drywall is not suitable as a backup material for a ceramic - tile shower stall as it is not moisture - resistant enough. For the second question, the highest fixture in the house will have the weakest flow and drainage due to the effects of gravity on water pressure.

Answer:

  1. B. drywall
  2. D. the highest fixture in the house