Thermocouple - Study guides, Revision notes & Summaries

What precautions, if any, must be taken when installing a gas furnace on a wooden platform in an attic? - Answer- Use a zero-clearance furnace or add a non-combustible base A vent connector should have a as few elbows and joints as possible to: - Answer- Reduce resistance of flue gases The gas control valve may be damaged if exposed to an inlet pressure above - Answer- 14in wc To which thermostat is leveling the most critical: - Answer- Mercury Bulb Which of the following is a reason...

HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? Answer: 600 cu ft. Q: The purpose of a flue baffle is to Answer: Increase heat exchange Q: The LP gas pressure supplied to the appliance gas valve should be Answer: 11 - 13 in. W.C. Q: An installed gas furna...

CWEA E/I 2 Study Guide Quest Receiving job instruction and planning equipment use are part of: a. craft data. b. job preparation. c. work factors. d. leveled time. - b. job preparation Anticipating other tasks or problems: a. usually creates additional problems. b. wastes time. c. sharply reduces the number of emergencies. d. often is not worth the effort. - c sharply reduces the number of emergencies Making job planning a group effort: a. wastes time. b. improves productiv...

NBRC SDS Exam Study Guide with Complete Solutions 100% Verified Correct Answers 2024 What is the minimum and preferred sampling rate? - Correct Answer Min 200Hz; Preferred 500Hz Which respiratory equipment is used to measure apneas? - Correct Answer Thermistor/thermocouple What are some common troubleshooting issues for the thermistor? - Correct Answer Warm the room, remove fan, moisture on the sensor, battery needs to be changed What is considered the gold standard for measuring respi...

An engine in which the cylinders rotate around the crankshaft is called what? rotary radial On aircraft with exposed cylinders, what component helps direct air around the cooling fins? deflectors On a 6 cylinder engine, how many CHT probes are required? 1 What does augmenter tubes use to draw hot air out and cool air into the engine compartment? exhaust gas velocity What condition can broken or damaged cylinder fins cause within the cylinder? hot spot What do some helicopters use to co...

What does an Aquastat do? - Its an automatic operating switch (normally open). Sense water temperature of a boiler and closes when temperature drops. What does a low water cut off do? - Automatic safety control (normally closed). Senses water level in the boiler. If level drops the switch opens and shuts off the gas valve. in series with gas valve.,What does a water flow switch do? - Automatic safety control (normally open). Senses water flow and switch closes What does a Pressure Control ...

NBRC SDS Latest Exam Study Guide with Complete Solutions 100% Correct & Verified Answers 2024  What is the minimum and preferred sampling rate? - Correct Answer Min 200Hz; Preferred 500Hz Which respiratory equipment is used to measure apneas? - Correct Answer Thermistor/thermocouple What are some common troubleshooting issues for the thermistor? - Correct Answer Warm the room, remove fan, moisture on the sensor, battery needs to be changed What is considered the gold standard for me...

Combustion in a direct spark ignition, condensing gas furnace is sensed by a. the primary control b. the flame sensor c. thermocouple d. the barometric damper e. the ignition module correct answersB Gravity warm air furnaces are different from forced air furnaces in each of the following respects except a. there is no fan b. there is no high temperature limit switch c. the furnace is always located in the center of the house d. the supply and return duct systems are large, round and...

What is a thermocouple? a. a metal probed thermometer b. a type of single us impermeable glove c. a thermostat in a walk in cooler d. a backflow prevention device - ANSWER-a. a metal probed thermometer it is a thermometer with a metal probe, the sensing area is the tip of the probe and the reading is given digitally commonly used to measure the temperature of thick and thin food What is the best approach to dealing with pests? a. deny pests food, water, and shelter b. deny pe...

Food Safety Manager Test - Practice Questions Answered 100% Correct with explanations| Latest 2024 What is a thermocouple? a. a metal probed thermometer b. a type of single us impermeable glove c. a thermostat in a walk in cooler d. a backflow prevention device a. a metal probed thermometer it is a thermometer with a metal probe, the sensing area is the tip of the probe and the reading is given digitally commonly used to measure the temperature of thick and thin food What is the be...