Abc wastewater 3 - Study guides, Class notes & Summaries

Performance problems in the activated sludge process can be caused by ____________. A. Poor solids dewatering B. Inadequate chlorination of effluent C. Consistent influent characteristics D. Insufficient operator training - Answer-D. Insufficient operator training Solids that float to the surface of the clarifier are referred to as ____________. A. Mixed liquor B. Film C. Residual solids D. Scum - Answer-D. Scum Solids that settle to the bottom of clarifiers and are removed from the pr...

ABC Wastewater Collection Level 3/ 77 Q&A/ . Terms like: In certain situations, a supervisor encourages the employees to make their own decisions. This is considered to be A. against the rules to follow past experiences in decision-making B. bad form since the supervisor eventually loses control C. highly desirable, since it encourages employee growth and frees the D. supervisor for other tasks E. passing the buck - Answer: C. highly desirable, since it encourages employee growth

Performance problems in the activated sludge process can be caused by ____________. A. Poor solids dewatering B. Inadequate chlorination of effluent C. Consistent influent characteristics D. Insufficient operator training - correct answer D. Insufficient operator training Solids that float to the surface of the clarifier are referred to as ____________. A. Mixed liquor B. Film

Turbidity in wastewater is caused by A. color B. dissolved calcium C. hardness D. finely divided suspended material - correct answer D. finely divided suspended material The gas most commonly associated with septic wastewater is A. carbon dioxide B. carbon monoxide C. hydrogen sulfide D. methane - correct answer C. hydrogen sulfide How many cubic meters per second in 10 MGD? A. 0.44 B. 1.44 C. 4.73 D. 24.62 - correct answer A. 0.44 Mechanical ventilation of a lift station is...

To have significant meaning for laboratory tests of the evaluation of a wastewater treatment plant's performance the best method of sampling is A. Grab sampling B. Hourly sampling C. Sampling during peak flow D. Proportional composite sampling E. Automatic sampling - correct answer D. Proportional composite sampling BOD samples should be collected before chlorination because A. Chlorine reacts with the buffer solution B. Chlorine interferes with the activity of organisms C. Chlorine ...

Market - ANSWERSA buyer wants to spot buy propane. Which analysis process should be used to determine when to buy? a. Demand b. Supply c. Performance d. Market Mean Absolute Deviation - ANSWERSForecasts are never completely accurate. Which calculation demonstrates the degree of accuracy? a. Weighted moving average b. Absolute value of errors c. Mean Absolute Deviation d. Economic Order Quantity Developing alternate procurement operations locations - ANSWERSAn entity located on the ...

NAME: _____________________________________________________________________________ 2010 CERTIFIED INDUSTRIAL ENGINEER EXAM REVIEW ASSESSMENT - SOLUTIONS PART I – General Engineering Engineering Math: 1. In what quadrants do the secant and cosecant of an angle have the same algebraic sign? a. I and II b. I and III c. II and III d. II and IV Answer: b. I and III 2. The lengths of side AB and side BC of a scalene triangle ABC are 12 cm and 8 cm respectively. The size of angle C i...

Which of the following techniques offers the least constructive information to someone being disciplined? Providing advice Focusing on behavior Providing alternatives Focusing on observations The correct answer is A. The purpose of disciplining is for a manager to provide constructive information to help the subordinate become aware of how his or her actions affect the organization's system. The goal is to provide maximum information with minimum threat. Providing advice is not constr...