Tuesday
March 28, 2017

Number of results: 24

HVAC/R
Two technicians are discussing the HVAC/R field. Technician A says that industry codes that require certain types of installation practices carry the force of law with them. Technician B says that ANSI is an organization that establishes codes for the HVAC/R field. Which one ...
July 17, 2014 by Anon

Math 115
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
February 20, 2017 by Stacy

Math
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
February 20, 2017 by Karola

Math
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
February 19, 2017 by Karola

HVAC
How many Ampere of 1 horse power motor?
October 2, 2012 by John V

hvac/r
When antifreeze is added to water specific heat
May 9, 2012 by marvin

HVAC
Why must all valves be open when an evacuation is performed?
March 18, 2012 by Tony

hvac
what happens to the pressure at locations moving vertically up or down a ph constant-enthalpy line?
October 29, 2011 by miguel

hvac
an oil slinger is found in a reciprocating compressor employing what type of lubrication system
October 29, 2011 by miguel

Hvac
I have a series circuit with 115 Volta with r16ohmd r2 22ohms r3 44 ohms what is the wattage on r3
October 11, 2012 by Anonymous

hvac
what is the required input in watts to operate a 70 percent efficient three-horsepower electric motor
October 17, 2011 by miguel

hvac school
What temp would a fixed volume of gas need to be heated in order to double its pressure if it starts out at 25?
November 30, 2012 by bruce

hvac
gas trapped in a reciprocating piston compressors clearance space expands at the beginning of the suction stroke what effect does this have on the system
October 29, 2011 by miguel

hvac
October 29, 2011 by miguel

hvac
what is the difference between fall-prevention and fall-arresting equipment?
November 17, 2013 by antonio

hvac
calculate the amount of heat required to change 5 pounds of ice at 32 degrees to water 32 degrees
October 17, 2011 by miguel

hvac
when antifreeze is add to water the water specific heat
October 29, 2011 by miguel

HVAC / Electrical
what is the total resistance in a circuit having 3 feetof 10 ohm/ft wire, with two 15 ohm resistors wired in parallel?
April 22, 2010 by tom

hvac
if the current is one half ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms?
January 6, 2015 by vincent

Hvac
3 resistors of 5 ohms,15 ohms, and 30 ohms are connected in series and placed across a 50 volt batt. Find the voltage drops acroos each resistor . And find the current through each resistor
July 18, 2013 by Dave

HVAC
A gas is compressed inside a compressors cylinder. When the piston is at its bottom dead center , the gas is initially at 10 psig , 65 degree and 10.5 in. After compression and when the piston is at top dead center the gas is 180 degree and occupies 1.5 in. What would be the ...
November 19, 2015 by Mike

Project Mangament
I am doing on a project on Building Home Depot. how would I go to found the cost, construction engineer, roofing contractor, plumbing contractor, HVAC contractor, steel erection and electric contractor. Install temporary power,set up site office, stone site parking area, ...
February 26, 2015 by jimmy

math
The Ministry of Finance published the FY2009 Tax Reform ( Main Points) on December 19, 2008. Included in the Reform is the introduction of a 2- year measure allowing immediate depreciation for investment in energy- saving facilities and appliances. If this measure doubles the ...
November 14, 2011 by Anonymous

math
The Ministry of Finance published the FY2009 Tax Reform ( Main Points) on December 19, 2008. Included in the Reform is the introduction of a 2- year measure allowing immediate depreciation for investment in energy- saving facilities and appliances. If this measure doubles the ...
November 17, 2011 by Anonymous

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