- Study guides, Class notes & Summaries

How many sections can you draw without a compass? - Answer 4 What makes you need to use monogoogles when working with plastic pipe? - Answer Catalyst Whats the maximum size you can thread pipe? - Answer 3 inch What is the angle of 2 3/8 plate butted together? - Answer 60° What is the advantage of a single sleeve Gun Pack expansion joint? - Answer Can be repacked while under pressure What is the length between the bottom of the coil to the primary trap? - ...

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22 pages

Written in 2025/2026

Grade A+

TestSolver9

Tie it off - Answer What must you do if using a magnetic drill overhead? Scheduled maintenance - Answer An OS&Y valve is leaking through the gland. When would you fix the leak by tightening the packing gland? Grinder - Answer What do you use to clean the surface of a fibreglass reinforced plastic pipe? Out of round pipe - Answer What is the most challenging problem of of large bore thin wall problem? Inside the throat of the bend - Answer When bending pipe where are the most com...

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4 pages

Written in 2025/2026

Grade A+

TestSolver9

What is the name of the process that causes water in open air to dissapear - Answer Evaporation The removal of heat from a substance is called what - Answer cooling The amount of moisture in air is referred to as what - Answer Humidity Ammonia refrigerant is also called what - Answer R-717 Heat is rejected in a refrigeration system via the - Answer Condenser What component absorbs heat in a refrigeration system - Answer Evaporator The rating of a refrigeration system is e...

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14 pages

Written in 2025/2026

Grade A+

TestSolver9

What is used when lowering a pump into a well? - Answer chainfall + tripod According to the National plumbing code of Canada, what is the maximum pressure that a flush valve can be operated under? - Answer 500 Kpa (80 psi) What size of outlet tube is required from a flush valve for connection to a urinal ? - Answer 3/4" What size of outlet tube is required from a flush valve for connection to a water closet? - Answer 1 1/2" What would you to fix the problem of a uri...

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14 pages

Written in 2025/2026

Grade A+

TestSolver9

575+220+934+18= -Answer 1747 A thermodynamic steam trap is operating with an inlet pressure of 110 psig and an outlet pressure of 80 psig. The failure of condensate to pass through this steam trap would most likely be caused by: a. debris under the disc b. excessive backpressure c. insufficient pressure at the trap inlet d. installation of the trap in a vertical position -Answer B At $29.12 per hour, how much money will you have in 39 1/2 hours? -Answer $1150.24 One meter i...

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11 pages

Written in 2025/2026

Grade A+

TestSolver9

What are the two types of floor mounted water closet bowls? - Answer 1. Gravity fed. 2. Siphon jet. What must the surface of a water closet bowl be? - Answer Smooth, hard, corrosion resistant. What is the minimum depth of a water closet trap seal? - Answer 38mm. What is size of a water closet trap according to NPC? - Answer 1 3/4-2" What are the two most common materials water closet bowls are made of? - Answer Viterous china, stainless steel. A wall m...

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15 pages

Written in 2025/2026

Grade A+

TestSolver9

The pressure drop throughout the chiller is.. - Answer Greater than the pressure drop throughout the boiler HTU? - Answer Heat transfer unit Ensures minimum circulation throughout the system allowing constant pump action and there is no dead heading of the pump? - Answer Wild loop What is the primary purpose of a heating system? - Answer To provide comfort to the individuals in the space What is the greatest advantage of a hydronic heating system over any other sy...

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28 pages

Written in 2025/2026

Grade A+

TestSolver9

Which of the following is not a thermoplastic material? PVDF PVC PTFE FRP - Answer FRP - this is fibreglass reinforced plastic and not simply plastic As temperature increases, what would the pressure rating and tensile strength of plastic pipe do? Increase the pressure rating; decrease the tensile strength Increase the pressure rating; increase the tensile strength Decrease the pressure rating; decrease the tensile strength Decrease the pressure rating; increase the ten...

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36 pages

Written in 2025/2026

Grade A+

TestSolver9

What are 3 tests performed on a heating system? - Answer Smoke, Draft & Ex Air Where should the sampling hole on a heating unit be located? (Efficiency/Draft Test) - Answer At the Breach (Before the draft regulator while also being as close to the exhaust opening of the unit as possible) Where are tests taken on a "Fan Assist" appliance - Answer Through hold above inducer fan Why are proper over fire draft measurements required? - Answer Pressures will be off o...

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10 pages

Written in 2025/2026

Grade A+

TestSolver9

Recirculation system is needed when - Answer Systems are more then 30 meters in developed length or supply more then 4 stories Purpose of a recirc system - Answer To replace cold water from the hot water system with hot water and feed it back into the system A recirculating system should have a check valve - Answer On the return side of the loop next to the tank to prevent back flow Air gap - Answer Not less then two times the spout diameter or 1" Air break - A...

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7 pages

Written in 2025/2026

Grade A+

TestSolver9

General rules adopted by a legal jurisdiction and made into law are called? - Answer Codes Cast iron and copper tube boilers used for heating are rated by whom? - Answer The hydronics Institute Documents prepared by a professional group indicating good engineering practices that are optional are called what? - Answer Recommended practices Low pressure steam boilers are limited to what pressure? - Answer 15 PSIG Boilers with the hot gases of combustion traveling th...

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15 pages

Written in 2025/2026

Grade A+

TestSolver9

What is the function of a steam trap - Answer To hold back steam and allow condensate and non-condensate gases to pass through the valve In which direction does the heat always travel - Answer From warm to cold What represents the heat loss through 1 sq ft of wall - Answer U value What's the advantage to a single sleeve expansion - Answer Controlling expansion in the direction desired and can be repacked while in service What trap would you use if the low press...

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12 pages

Written in 2025/2026

Grade A+

TestSolver9