TCEQ WASTEWATER (CLASS D) LICENSE PREP QUESTIONS AND CORRECT ANSWERS

TCEQ WASTEWATER (CLASS D)
LICENSE PREP QUESTIONS AND
CORRECT ANSWERS
MinimumA2velocityA2requiredA2toA2keepA2solidsA2inA2suspension?A2-A2Ans--2ft/sec

MinimumA2requiredA2velocityA2aA2invertedA2siphonA2requires?A2-A2Ans--3ft/sec

TwoA2mostA2commonA2pipeA2materialsA2usedA2inA2theA2collectionA2system?A2-A2Ans--
ClayA2&A2PVC

OSHAA2minimumA2standardsA2forA2shoring,A2sloping,A2orA2trenchA2boxesA2are?A2-A2Ans--
5ftA2orA2deeper

IfA2theA2trenchA2isA2_____A2orA2deeper,A2useA2aA2portableA2ladderA2orA2otherA2meansA2ofA2
exit.A2-A2Ans--4ftA2orA2deeper

TheA2ladderA2mostA2extendA2____A2feetA2aboveA2theA2trenchA2andA2beA2secured.A2-
A2Ans--3ft


LaddersA2mustA2beA2withinA2____A2feetA2ofA2trenchA2workersA2andA2notA2moreA2thanA2___
_A2feetA2apart.A2-A2Ans--25ft,A250ft

TheA2excavationA2spoilA2mustA2beA2atA2least?A2-A2Ans--
2ftA2fromA2theA2edgeA2ofA2theA2trench

WhichA2typeA2ofA2pumpA2isA2mostA2oftenA2usedA2inA2aA2liftA2station?A2-A2Ans--
CentrifugalA2Pump

WhatA2isA2CMOM?A2-A2Ans--Capacity,A2management,A2operations,A2andA2maintenance

InstallA2waterA2linesA2noA2closerA2toA2aA2waterA2lineA2thanA2____A2feetA2-A2Ans--9ft

ChlorineA2helpsA2______A2grease,A2makingA2itA2easyA2toA2skimA2-A2Ans--Congeal

TheA2magneticA2meterA2worksA2byA2theA2lawA2ofA2________A2-A2Ans--Induction

HowA2oftenA2doA2youA2calibrateA2flowA2measuringA2devices?A2-A2Ans--Annually

PrimaryA2clarifiersA2shouldA2removeA2_____A2percentA2ofA2theA2incomingA2BODA2-A2Ans--
35%