Ontario OIT Study Manual Test Questions And Answers 100% Guaranteed Success.

Ontario OIT Study Manual Test Questions And Answers 100% Guaranteed Success. Which of the following are safety hazards with treatment plants or distribution/collection systems? - correct answer. Working with electrical and mechanical Equipment Handling/storage of treatment chemicals inc chlorine working in confined spaces exposure of pathogens Whats the purpose of OHSA? - correct answer. Occupational Health and safety Act (OHSA) its regulations govern safety in the workplace. these regulations place demands on you, your supervisor and your employer. To violate these regulations can lead to heavy fines and or imprisonment. The act also gives workers the right to refuse to do work if he/she has reasonable grounds that the work is dangerous. Workers are ultimately responsible for their own safety. What does WHMIS mean? - correct answer. Workplace Hazardous Materials Information System and the purpose is to create a safer workplace by providing workers with the knowledge and tools to enable them to work safely. Personal Protective Equipment that you may use? - correct answer. Safety Boots/shoes, hard hats, gloves, SCBA, safety belts, and other fall arrest systems. What is the best defence against water-born disease as an operator? - correct answer. Washing your hands before you eat, smoke, use the washroom and avoid having your hands above your collar bone when working in a plant equipment. What specific caution you should take while working or repairing electrical equipment. - correct answer. Lock out the control devices and attach lock out tags All hazards working in confined spaces? - correct answer. Oxygen deficient atmosphere may occur, explosive gases may also build up. Ontario Regulation that describes operational checks and sampling requirements for municipal drinking water systems? - correct answer. Ontario Reg. 170/03 - drinking water systems reg. Operators of domestic wastewater treatment and collection systems require a ______ to work in the province of ontario as required by Regulation ________ - correct answer. License; O.Reg. 129/04 Operators of drinking water treatment and distribution systems require a __________ to work in the province of Ontario as required by regulation _________. - correct answer. Certificate; O. Reg. 128/04 While working in a facility which requires a license/certificate, what activities can you not do? - correct answer. Not allowed to adjust a process, change flows or adjust chemical doses unless directly supervised a licensed/ certified operator. Addresses water treatment and testing sampling? - correct answer. O. REG.170/03 Addresses the licensing of sewage works operator? - correct answer. O. REG. 129/04 Addresses the certificate of drinking water systems operators and water quality? - correct answer. O. REG. 129/04 Drinking water is legislated under what 4 acts? - correct answer. Safe drinking water act, 2002, Ontario water resources Act, Environment protection act, Clean water act. What regulation provides the minimum level of drinking water quality acceptable for human consumption? - correct answer. O. REG. 169/03 - drinking water quality standards What Ontario regulation identifies the minimum treatment requirements for groundwater and surface water sources? - correct answer. O. REG.170/03 Drinking water systems What Ontario regulation requires mandatory reporting of adverse test results? - correct answer. O. REG.170/03 Drinking water systems What Ontario regulation describes which Drinking water systems need certified operators or trained persons to conduct certain tasks? - correct answer. O. REG.170/03 Whats the difference in managing microorganism in water and wastewater treatment? - correct answer. Water Treatment operators focus on removing or inactivating dangerous microorganism that could harm human health. Wastewater operators manage the production of microorganism in order to break down sewage and sludges. list some microorganism that are relevant to drinking water and sources of these microorganism? - correct answer. Microorganism are commonly found in water include bacteria, viruses, protozoa, and algae. Not all microorganism found in water are pathogenic. Pathogenic microorganism may originate from improperly treated sewage, stormwater runoff, septic beds, farm animal faeces or other natural sources. Define Pathogen? - correct answer. Pathogen is a disease causing agent. most often used when referring to microbiological organisms, but may also be used for disease causing agents which are not micro-organism (nitrite). What do microorganisms need to live? - correct answer. Microorganisms need energy, carbon, and other nutrients, specific ph and temperature conditions, and in some cases, oxygen ( or anaerobic conditions ). What is the difference between aerobic and anaerobic microorganisms? - correct answer. Aerobic microorganisms require the presence of oxygen to survive while anaerobic microorganisms exist in anaerobic ( little or no oxygen) environments. Name a strategy that some microorganisms use to survive some harsh conditions such as low food, drought or extreme temperatures? - correct answer. Certain protozoa may form cysts or oocysts and survive under harsh conditions. Describe how raw or improperly treated sewage can lead to environment degradation? - correct answer. Sewage has a high nitrogen and phosphorus content, which can lead oxygen depletion in the water, causing death of fish and other important animals and plants In addition to the fertilizer effect of sewage, heavy metals, and other toxins will lead severe environmental damage if treated inadequately. High discharge of suspended solids may also result in habitat destruction of streams, river's and lakes. Describe the difference between inorganic and organic compounds? - correct answer. The chemistry of organic compounds is centred on the element carbon. Both organic compounds and inorganic compounds may be natural or synthetic. Made by humans Why are acids and bases added to water during treatment? - correct answer. The ph of the water can have a significant impact on the performance of certain treatment processes, therefore, acids, bases, are added to the water to adjust the ph for the optimization of these processes Key differences between acids and bases? - correct answer. An acid is a substance that has a ph less than 7. In chemistry terms, an acids has more free hydrogens ions than hydroxyl ions. Acids increase the hydrogen concentration when added to water, resulting in a reduction of the ph of the water.