(a. check valve b. globe valve c. gate valve d. angle valve ) 70.It prevents the reversal flow of water. (a. gate valve b. globe valve c. check valve d. angle valve) 71.Located at the bottom of the sump or cistern which controls the water being pumped.(a. check valve b. globe valve c. foot valve d. safety valve) 72.Also called underground water reservoir ( a. cistern b. under tank c. EWT d. sump pit) 73.A bowl or basin used for washing face and hands. ( a. lavatory b. sink c. water closet d. slop sink) 74.A plumbing fixture used to convey organic body waste to the plumbing system.( a. water closet b. grease trap c. bidet d. urinal) 75.Referred to as receptacles intended to receive water, liquid or water-carried waste and discharge them into the drainage system. (a. fixtures b. fittings c. pipes d. traps ) 76.Intended to receive urine waste of a male person. ( a. urinal b. bidet c.water closet d. lavatory) 77.Drain strainer installed on flooring. ( a. floor drain b. gutter c. manhole cover d. catch basin) 78.Term used for concrete pipes excavation. (a. culvert b. invert c. trench d. PVC) 79.Water that is clean and free from harmful chemical substances. ( a. potable water b. cold water c. hot water d. rain water) 80.Except from brass and copper, what is the nominal diameter of a common pipe or tube used in plumbing? (a. outside dia. b. inside dia. c. center dia. d. diameter x 2) 81.Pipe which conveys water from the water service pipe to the plumbing fixtures and other outlets. (a. water service b. water distributing pip e c. water line d. water supply) 82.A water storage system located on top of the structure. (a. cistern b. elevated water tank c. pressure tank d. tower tank) 83.Used to provide additional pressure for the distribution of water. (a. compressor b. water pump c. pressure tank d. gravity) 84.Back Flow valve - is a device used in a drainage system to prevent the reversal of flow. True or false 4
85.Color coding in pipe : Blue means Water 86.Color coding in pipe : Orange means Sanitary pipe 87.Color coding in pipe : Red Orange means Electrical pipe 88.Color coding in pipe : Yellow means Communication pipe 89.PVC) Means – Polyvinyl chloride 90.(CPVC) Means – Chlorinated polyvinyl chloride 91.(uPVC) Means – Unplasticized polyvinyl chloride 92.(ABS) Means – Achlonitryl butadiene styrene 93.(PP) Means – Polypropylene pipe 94.(SR) Means – Styrene pipe 95.(PE) Means – Polyethylene pipe 96.(PB) Means – Polybutylene pipe 97.(CI) Means – Cast iron pipe 98.(BI) Means – Black iron pipe 99.(GI) Means – Galvanized iron pipe 100. (WI)Means – Wrought iron pipe 5
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- Fall '16
- pipe, catch basin, Sanitary Pipe, house drain