TCEQ WASTEWATER (CLASS D)
LICENSE PREP GRADE A+
COMPLETE EXAM QUESTIONS AND
100% VERIFIED ANSWERS (2026/2027)
PASS GUARANTEE
1. Minimummvelocitymrequiredmtomkeepmsolidsminmsuspension?m-mCORRECTmANSWERm2ft/sec
2. Minimummrequiredmvelocitymaminvertedmsiphonmrequires?m-mCORRECTmANSWERm3ft/sec
3. Twommostmcommonmpipemmaterialsmusedminmthemcollectionmsystem?m-
mCORRECTmANSWERmClaym&mPVC
4. OSHAmminimummstandardsmformshoring,msloping,mormtrenchmboxesmare?m-
mCORRECTmANSWERm5ftmormdeeper
5. Ifmthemtrenchmism_____mormdeeper,musemamportablemladdermormothermmeansmofmexit.m-
mCORRECTmANSWERm4ftmormdeeper
6. Themladdermmostmextendm____mfeetmabovemthemtrenchmandmbemsecured.m-
mCORRECTmANSWERm3ft
7. Laddersmmustmbemwithinm____mfeetmofmtrenchmworkersmandmnotmmoremthanm____mfeetmap
art.m-mCORRECTmANSWERm25ft,m50ft
8. Themexcavationmspoilmmustmbematmleast?m-
mCORRECTmANSWERm2ftmfrommthemedgemofmthemtrench
LICENSE PREP GRADE A+
COMPLETE EXAM QUESTIONS AND
100% VERIFIED ANSWERS (2026/2027)
PASS GUARANTEE
1. Minimummvelocitymrequiredmtomkeepmsolidsminmsuspension?m-mCORRECTmANSWERm2ft/sec
2. Minimummrequiredmvelocitymaminvertedmsiphonmrequires?m-mCORRECTmANSWERm3ft/sec
3. Twommostmcommonmpipemmaterialsmusedminmthemcollectionmsystem?m-
mCORRECTmANSWERmClaym&mPVC
4. OSHAmminimummstandardsmformshoring,msloping,mormtrenchmboxesmare?m-
mCORRECTmANSWERm5ftmormdeeper
5. Ifmthemtrenchmism_____mormdeeper,musemamportablemladdermormothermmeansmofmexit.m-
mCORRECTmANSWERm4ftmormdeeper
6. Themladdermmostmextendm____mfeetmabovemthemtrenchmandmbemsecured.m-
mCORRECTmANSWERm3ft
7. Laddersmmustmbemwithinm____mfeetmofmtrenchmworkersmandmnotmmoremthanm____mfeetmap
art.m-mCORRECTmANSWERm25ft,m50ft
8. Themexcavationmspoilmmustmbematmleast?m-
mCORRECTmANSWERm2ftmfrommthemedgemofmthemtrench