90 of underground pipe - Study guides, Class notes & Summaries

Ammonia mixed with chlorine gas creates a white smoke The most difficult part of a water distribution operator's job. furnish a continuous supply Physical connection between a safe and potentially unsafe water source. cross connection A distribution system is a looped system Dead end mains should be flushed every month Excess nitrate causes a condition called blue baby syndrome Water hardness is caused by calcium and magnesium Sewer mains should be __ft away from water mains. 9 Class C ...

Journeyman Electrician Exam 3 2024 Questions and Answers Where a water pipe passes over an indoor motor control center, leak protection apparatus shall have a MINIMUM clearance of _____. a) 6 feet to the protection apparatus b) 6 feet to the water pipe c) 6 1⁄2 feet to the protection apparatus d) 6 1⁄2 feet to the water pipe -Answer-A: 6 feet to the protection apparatus Ref: 110.26(F)(1)(a) Branch circuit grounded conductors that are not connected to an overcurrent device shall be ...

Maine State Journeyman Exam up to 15gph How many apprentices can a journeyman directly supervise? - 2 When performing any service work on a customers heating system the licensee must notify the homeowner of? - Efficiency and code violations Can a licensed journeyman perform a cleaning on wood/oil combination unit without direct supervision? - No When installing a furnace, direct wired water heater or boiler what must be done prior to placing it in service? - Everything complies...

Class C Water Operator License Exam Questions And Answers Ammonia mixed with chlorine gas creates a - ANS white smoke The most difficult part of a water distribution operator's job. - ANS furnish a continuous supply Physical connection between a safe and potentially unsafe water source. - ANS cross connection A distribution system is a - ANS looped system Dead end mains should be flushed - ANS every month Excess nitrate causes a condition called - ANS ...

Master Plumber Exam 1 Questions and Answers Sewage Ejector -answerType of pump that discharges waste in the sump pit and transfers the waste to the house drain. (Max Fajardo) 503 mm -answerMinimum dimension of a septic tank manhole. Industrial drain -answerdrain that discharges objectionable waste such as acids and other chemicals from industrial equipment . 75 mm -answerMinimum diameter of pipe of any water closet. 3 -answerMaximum number of water closets able to discharge into a shared...

BUILDING UTILITIES REFRESHER EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 Situation 1: Given a Residence housing a family compose of a Couple, their 2 Teenage Kids and 2 House Helpers 1. What is the size of the Supply Pipe from Distributing Main to Primary Branch? a. 75mm b. 50mm c. 100mm d. 65mm b. 50mm Situation 1: 2. What is the minimum size of T&B for this family a. 1.20sqm b. 1.50sqm c. 1.80sqm d. 2.00sqm a. 1.20sqm (Small side: 0.9 m) Situation 1: 3. Which is NOT instal...

Where a water pipe passes over an indoor motor control center, leak protection apparatus shall have a MINIMUM clearance of _____. a) 6 feet to the protection apparatus b) 6 feet to the water pipe c) 6 1⁄2 feet to the protection apparatus d) 6 1⁄2 feet to the water pipe correct answer: A: 6 feet to the protection apparatus Ref: 110.26(F)(1)(a) Branch circuit grounded conductors that are not connected to an overcurrent device shall be permitted to be sized at LEAST _____ of the cont...

hat must you do if you notice code violations in a homeowners house? - Answer-Notify them and recommend ways to address them What must be done when performing an annual tune-up on a heating system? - Answer-A combustion efficiency test and a copy must be posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? - Answer-NFPA 31 When an emergency arises...

Oil furnace Questions and Answers 100% Pass What is the heating value of a number 2heating oil? 140,000 BTU/gallon What is the common operating pressure of a high-pressure oil burner? 100psig What is the secondary voltage of the ignition transformer used on a high-pressure oil burner? 10,000 volts What is the purpose of an electrode in a high-pressure gas burner? It is used to carry the spark to the point of ignition What is the measurement of the spark gap on an electrode as...

Ammonia mixed with chlorine gas creates a - ANSWER white smoke The most difficult part of a water distribution operator's job. - ANSWER furnish a continuous supply Physical connection between a safe and potentially unsafe water source. - ANSWER cross connection A distribution system is a - ANSWER looped system Dead end mains should be flushed - ANSWER every month Excess nitrate causes a condition called - ANSWER blue baby syndrome Water hardness is caused by - ANSWER calcium a...