wastewater /
practice exam questions with correct answers
/ // // // // //
Odors //occur //when //treatment //becomes //- //verified //answer(s)-✔✔Anaerobic
What //should //an //operator //do //before //entering //a //manhole //- //verified //answer(s)-✔✔Test //for
//all //hazardous //gases //and //oxygen //levels //and //ventilate //the //manhole //before //entering
What /
/treatment /
/devices /
/is /
/commonly /
/used //to //separate //and //remove //large //solids //from //raw //wastewater //- //verified //answer(s)-
✔✔a //mechanically //raked //bar //screen
What /
/diseases /
/are //caused //by //pathogenic //organisms //that //may //be //present //in //raw //wastewater? //- //verified
//answer(s)-✔✔Hepatitis, //typhoid, //paratyphoid, //dysentery, //and //cholera
What //is //typically //used //to //dewater //sludge? //- //verified //answer(s)-
✔✔Belt //press, //Drying //beds, //solid //bowl //centrifuge, //and //gravity //thickener
Calculated /
/the /
/volume /
/in /
/gallons /
/of //
, a/
/rectangular /
/aeration //tank //that //is //60 //feet //long, //30 //feet //wide //and //20 //feet //deep //- //verified //answer(s)-
✔✔269,280
What /
/is /
/typically /
/used /
/whenever /
/wastewater //cannot //flow //to //the //treatment //plant //by //gravity //- //verified //answer(s)-
✔✔Lift //station
A //centrifugal //pump //must //be //? //or //it //will //not //pump //- //verified //answer(s)-✔✔Primed
One //common //type //of //weir //design //for //measuring //flow //is //- //verified //answer(s)-✔✔V-
Knotch
The /
/operator /
/would /
/need //to //increase //or //decrease //if //the //? //loading //on //the //plant //is //high //- //verified //answer(s)-
✔✔increase/Organic
A //simple //method //for //indication //when //to //waste //sludge //is //- //verified //answer(s)-
✔✔Total //sedimentation //test
Landfill //applied //sludge //must //have //a //solids //content //of //at //least //? //- //verified //answer(s)-
✔✔20%
Effluent /
/dosage /
practice exam questions with correct answers
/ // // // // //
Odors //occur //when //treatment //becomes //- //verified //answer(s)-✔✔Anaerobic
What //should //an //operator //do //before //entering //a //manhole //- //verified //answer(s)-✔✔Test //for
//all //hazardous //gases //and //oxygen //levels //and //ventilate //the //manhole //before //entering
What /
/treatment /
/devices /
/is /
/commonly /
/used //to //separate //and //remove //large //solids //from //raw //wastewater //- //verified //answer(s)-
✔✔a //mechanically //raked //bar //screen
What /
/diseases /
/are //caused //by //pathogenic //organisms //that //may //be //present //in //raw //wastewater? //- //verified
//answer(s)-✔✔Hepatitis, //typhoid, //paratyphoid, //dysentery, //and //cholera
What //is //typically //used //to //dewater //sludge? //- //verified //answer(s)-
✔✔Belt //press, //Drying //beds, //solid //bowl //centrifuge, //and //gravity //thickener
Calculated /
/the /
/volume /
/in /
/gallons /
/of //
, a/
/rectangular /
/aeration //tank //that //is //60 //feet //long, //30 //feet //wide //and //20 //feet //deep //- //verified //answer(s)-
✔✔269,280
What /
/is /
/typically /
/used /
/whenever /
/wastewater //cannot //flow //to //the //treatment //plant //by //gravity //- //verified //answer(s)-
✔✔Lift //station
A //centrifugal //pump //must //be //? //or //it //will //not //pump //- //verified //answer(s)-✔✔Primed
One //common //type //of //weir //design //for //measuring //flow //is //- //verified //answer(s)-✔✔V-
Knotch
The /
/operator /
/would /
/need //to //increase //or //decrease //if //the //? //loading //on //the //plant //is //high //- //verified //answer(s)-
✔✔increase/Organic
A //simple //method //for //indication //when //to //waste //sludge //is //- //verified //answer(s)-
✔✔Total //sedimentation //test
Landfill //applied //sludge //must //have //a //solids //content //of //at //least //? //- //verified //answer(s)-
✔✔20%
Effluent /
/dosage /
