Contaminants - Study guides, Class notes & Summaries

NFPA 10 Exam 99 Questions with Verified Answers (SI) - CORRECT ANSWER International System of Units 1 in=. mm - CORRECT ANSWER 25.4 Approved - CORRECT ANSWER Acceptable to the authority having jurisdiction. (AHJ) - CORRECT ANSWER Authority Having Jurisdiction O rganization, office or individual responsible for enforcing requirements of a code or standard, or for approving equipment, materials, an installation or procedure. Shall - CORRECT ANSWER Indicates a mandatory requirement....

The fill line in an oil burner system is a line used to - ANSWER Fill the storage tank with oil The aquastat is located - ANSWER Below the water line The oil storage tank - ANSWER Provides the supply of oil for combustion in the oil burner The temperature in the storage tank for # 6 oil is - ANSWER 100 and 130 degrees Fahrenheit A suction cup - ANSWER Circulates the oil throughout the system The oil strainer removes the contaminants - ANSWER From the oil before the oil reaches the...

P-99 / Low PSI Oil Burner Operator Questions and Answers 100% Solved All heating, combustion, and cooking equipment shall be provided with insulation or the building construction shall be fire protected, so that during operation the surface of combustible construction materials will not be raised to a temperature higher than ____. 170 ̊F Acceptance tests: Boilers shall not be placed in operation upon completion of construction until they have been ____ and an equipment use permit has ...

1 - Absolute pressure is equal to standard sea-level plus: - Gauge pressure 1 - All of the following are types of scale except: - Silicone Types of scale include: - Silicate - magnesium carbonate - Calcium Carbonate 1 - Complaints in the winter that it is too cold in a building can be offset by: - Raising the humidity and the temperature 1 - Copper tubing is standardized on the basis of use into standard - Wall thickness schedules 1 - Define absolute pressure - The total pressure that i...

The nurse notes that a patient is positive for the hepatitis B surface antigen. Which questions should the nurse include in the patient's assessment to help determine the source of the infection? Select all that apply. 1. "Have you been anywhere where the water may have been contaminated?" 2. "Have you eaten any food in areas where the workers may not have had access to hand washing?" 3. "Have you had unprotected sex with anyone who has hepatitis B?" 4. "Have you eaten any r...

SERVSAFE Manager Exam QUESTION BANK / Test Bank - Latest 2023 / 2024 What is the minimal temp. for ground meat (beef, pork, etc...); injected meat (brined ham, flavor-injected roasts, etc...); mechanically tenderized meat; ratites (ostrich, emu, etc...); ground seafood (chopped, minced, etc...); shell eggs that will be hot held for service Answer: 155oF (68oC) for 15 seconds Norovirus source Answer: •transfers to food when infected food handlers touch food or equipment with feces on ...

OSHA 510 Test 2024 Questions and Answers (Graded A)OSHA 510 Test 2024 Questions and Answers (Graded A)OSHA 510 Test 2024 Questions and Answers (Graded A)1. The employer should make sure a _________ is available at the work site. - ANSWER-C. A person with a valid first aid training certificate. 2. Which of the following contaminants is a toxin to both make and female reproductive systems; can create significant exposure to workers? - ANSWER-B. Lead 3. The correct hierarchy for controlling f...

Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - Answer-US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - Answer-Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - Answer-0.080 mg/L Under the Surface Water Treatment Rule, disinfection residuals must be collected at the sam...

SERVSAFE Exam 7th Edition 2024 / 2025 With 100% Verified Answers 1. Define foodborne illness. Answer: a disease transmitted to people by food 2. When is a foodborne illness considered an outbreak? Answer: when 2 or morepeople have the same symptoms after eating the same food 3. What food saftey challenges do operations face? Answer: time pressure, potentiallyunsafe supplies, high risk populations, and staff related challenges 4. What does a foodborne illness cost? Answer: guests and ...

Foodborne Illness -- Ans A disease carried or transmitted to people by food Foodborne Illness Outbreak -- Ans When two or more people experience the same illness after eating the same food High Risk Populations -- Ans Infants, preschool age children, pregnant women, the elderly, people taking meds, people who are ill Temperature Control for Safety -- Ans TCS 41-135 -- Ans Danger Zone TCS Foods -- Ans Milk, eggs, shellfish, fish, meats, meat alternatives, untreated garl...

NAFA CAFS /Exam Questions and answers, rated A+ What are the 3 types of media used in contaminate control - -Active carbon, chemically treated carbon, potassium permanganate What is residence time? - -the time it takes air to cross a distance equal to the thickness of the filter without accounting for the resistance of the media through which it travels What are the variations of the contamination control principle - -clean the air required by the process, blanket the product with cle...