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RN TARGETED MEDICAL SURGICAL GASTROINTESTINAL LATEST EXAM ACTUAL EXAM COMPLETE REAL QUESTIONS AND CORRECT VERIFIED ANSWERS (FULL REVISED EXAM) LATEST UPDATED VERSION |GUARANTEED PASS. (BRAND NEW!!)$17.99
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NATE GAS HEATING
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NATE GAS HEATING LATEST EXAM COMPLETE 50 ACTUAL TEST
QUESTIONS AND CORRECT DETAILED ANSWERS (100%
CORRECT VERIFIED ANSWERS) A NEW UPDATED VERSION |
ALREADY GRADED A+ (BRAND NEW!!)
What precautions are required when mounting any gas furnace on a wood platform
in an attic? - ANSWER: None
The gas control valve may be damaged if exposed to an inlet pressure above: -
ANSWER: 14 in. W.C.
How many elbows and joints should a vent connector have: - ANSWER: As few as
possible to reduce resistance of flue gases
What conditions, if any may a technician route the exhaust of the furnace into the
exhaust vent of the water heater? - ANSWER: Under no conditions may you use the
water heater exhaust vent.
How may a technician terminate the intake and exhaust for proper operation of a
high efficiency gas furnace when using scheduled 40 PVC pipe: - ANSWER: By using
the specific manufacturers termination kit or make one to meet their requirements.
When suspended with metal strap and no saddle, flexible duct should be: - ANSWER:
Supported with a minimum strap width of 1/2"
Installing a gas furnace and not an air conditioner has what affect on the installation
of the supply ductwork: - ANSWER: Leave adequate space should be allowed for
addition of a coil in the future when feasible
Leveling of a Mercury bulb is: - ANSWER: Critical
Spray-type atomizing humidifiers are installed to: - ANSWER: Discharge moisture into
the supply duct
Electronic air cleaners (EAC) installed in a gas furnace system should be wired so
they: - ANSWER: Only operate any time the EAC On-Off switch is turned to ON.
The LP gas manifold pressure is commonly: - ANSWER: 10 to 11 in. W.C.
The polarity of a 120V gas furnace equipped with electronic flame rectification is
important because: - ANSWER: The ignition control may not prove flame
Using a voltmeter, a technician can determine voltage drop at a gas furnace: -
ANSWER: With the furnace not operating and then with the furnace operating.
, The setting on a 4 speed PSC blower motor can be changed by changing the: -
ANSWER: Motor tap connection
When starting up a dual system, the temperature rise method for determining
airflow cannot be used with compressor cycle of the heat pump because: - ANSWER:
The capacity of the system varies too much with outdoor temperature.
The flame pattern a technician would expect to see on a properly operating single
stage gas furnace equipped with "in shot" type burner is a: - ANSWER: Hard and
forceful flame with a light blue appearance and little to no yellow
Compressed air is recommended for a: - ANSWER: Pressurization leak test of fuel gas
pipe
Diaphragm type differential pressure gauge is used to: - ANSWER: Measure air
pressure
The pressure reading on a manometer is expressed in: - ANSWER: Inches of water
A technician measures the return air temperature of a 100,000 BTU output gas
furnace to be 65 degrees and the supply side air temperature is 135 degrees: -
ANSWER: The CFM would be 1323
A dirty or clogged air filter in an operating gas furnace can cause an: - ANSWER:
Increase temperature rise
Bent vanes on a direct drive blower wheel in a gas furnace can cause a: - ANSWER:
Loss in airflow, excessive blower motor wear, and increase noise
A gas clothes dryer can interfere with the operation of a nearby natural draft gas
furnace with an atmospheric burner by: - ANSWER: Stealing combustion air
preventing complete fuel burning
During a preventive maintenance check of a gas furnace: - ANSWER: Ductwork
should always be checked for leaks and damage
When performing a cycle check during a preventive maintenance call, the technician
should: - ANSWER: First, check with owner for equipment performance
Next, turn the unit off at the thermostat system switch
Next, set fan switch to ON and check that the blower is running
The measurements required to calculate the CFM of a gas furnace are: - ANSWER:
Entering air temperature
Leaving air temperature
Outdoor ambient and rated capacity
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