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#2 | |
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Quote:
i found the exam easier than N.A.I.T.'s exam. hint; do the questions you know first, then go back to the ones that you don't. Vince |
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#3 |
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it's too late now! everything you need to know tomorrow is the same stuff as you wrote today. I can't remember exactly but study materials, safety, rural septic. red seal is easier than the alberta provincial one by far.
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#5 |
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Member
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There will only be 1 or 2 questions on safety in the red seal so not a huge deal. read about compressors and air lines. If you have any questions on hydronic just ask. know how to size waterlines and know water treatment. know pumps, I think there is 6-7 questions on pumps
Last edited by richfield; 11-11-2008 at 08:35 PM.. |
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#8 |
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Member
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what do you specifically need to know about controls. I'll give a basic review
Operating controls are like thermostats. The thermostat calls for heat when room temp. falls. Actuators:these react to the operating controls commands and activate devices such as valvesand are broken down into primary controls and final control elements. Primary controls would be the gas valve or a relay and are directly controlled by the operating control. The final control element is usually controlled by the primary control, like a motor. Limit and safety controls: these are important for your test. high/low limits, relief valves, flow switches, low water cut offs. They detect dangerous conditions and prevents operation of equipment until addressed. does this help? i'll put a couple study tips up as well |
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#9 |
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Junior Member
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That makes sense
thanks a lot it does help i just have a prinout on whats supposed to be on the exam from my apprenticeship person... We got screwed over in ontario because we are being taught ONTARIO building code and the exam is on national so i'm a 90% student freaked out of my mind because i wasn't taught what i'm being tested on.....i appreciate all your help thanks alot Our program is a mess someone needs to do something i was in school for 8 weeks and my teacher just shrugs his shoulders at us |
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#10 |
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Member
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indoor/outdoor controls modulates boiler water temp
modulating gas valves reduces short cycling of the boiler boiler must have safety limit and operating control low water cut off is required if low mass boiler is above 400 000 BTU or there is no auto make up. also there might be a clause that states you need one if all system piping is below boiler flow switch needs 5 pipe diameters on each side |
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