Damper - Study guides, Class notes & Summaries

What important function(s) does an air receiver perform? - ANSWER Dissipates heat, dampens compressor pulsations, act as water and oil trap On a compressed air system, a safety valve would generally be installed on the: - ANSWER Air receiver Variable air volume system: - ANSWER Typically use VFDs to save energy. In figure 1.3, a full call for cooling would be at what branch pressure to the damper motor? - ANSWER 3 PSIG

ATP-CTP FINAL EXAM 2024 Questions and Answers. Which of the following statements regarding energy is true? (A) Kinetic energy decreases with increasing airspeed. (B) Potential energy is approximately proportional to airspeed. (C) Chemical energy remains constant throughout a flight (D) Kinetic energy can be traded for potential energy, and potential energy can be traded for kinetic energy - ANSWER (D) Kinetic energy can be traded for potential energy, and potential energy can be traded f...

1. "Where can you find definitions for landing urgency?" correct answers AFM 00-20-60 2. What's the meaning of Land as soon as possible? correct answers "Land without delay where safe approach and landing is assured. Ref: AFM 00-20-60" 3. How are CAS messages arranged? correct answers "Chronologically within color groupings, with most recent at the top. Ref: Gulfstream Symmetry 2B-07-20" 4. What are the five (5) types of CAS messages? correct answers "Single system, umbrella, co...

A room heater installed in either a sleeping area or public area shall be: A. direct vent only B. equipped with a regulator C. equipped with a fan D. equipped with an on / off switch on the wall - Answer-B What type of vent must be used when the vent of a wall furnace will be concealed in a partition wall? A. B vent B. L vent C. BH vent D. BW vent - Answer-D Single wall vent connectors: A. may pass through floors, ceilings or roofs provided a metal thimble is used B. may pass throug...

Steering and suspension Practice Questions and Answers Technician A says that all automotive coil springs have the same number of coils. Technician B says that coil spring spacers can cause damage to the spring. Which technician is correct? - Answer-Technician B only Technician A says that compression of a vehicle spring is called jounce. Technician B says that extending the vehicle spring is called rebound. Which technician is correct? - Answer-Both technicians Technician A says that a...

COMPRESSORS UNIT 23 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS Purpose of Economizer - Answer-Reduces flash gas by having a 2 stage pressure drop through float section Capacity control of centrifugal compressors - Answer-Speed control Butterfly damper Variable inlet vanes Compression factors that affect efficiency - Answer-piston/compressor displacement suction/discharge valves number of cylinders clearance pocket (size) Speed Suction/discharge pressures Types of refrigerant used...

Gas Fitter 2 Practice Test With Verified Solutions A room heater installed in either a sleeping area or public area shall be: A. direct vent only B. equipped with a regulator C. equipped with a fan D. equipped with an on / off switch on the wall B What type of vent must be used when the vent of a wall furnace will be concealed in a partition wall? A. B vent B. L vent C. BH vent D. BW vent D Single wall vent connectors: A. may pass through floors, ceilings or roofs provided ...

HVAC journeyman prep test Exam Guide 2024 Questions and Answers A listed smoke damper designed to resist the passage of smoke shall be provided at each point in a duct or air transfer opening penetrates a: (A)smoke barrier wall (B)fire rated wall (C)interior wall (D)corridor wall - CORRECT ANSWER-Corridor wall (IMC 607.5.4) Flexible air duct may be what length? (A)10' (B)2' (C)14' (D)6' - CORRECT ANSWER14' (IMC 603.6.1.1) The maximum vertical distance between the front lower lip...

G2 Exam Quiz Bank (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: The STACK EFFECT in a water heater is usually caused by Answer: Short draws of water from the heater Q: A 120v power supply for a residential electrical circuit is taken from the Answer: - Load side of one branch circuit breaker and a neutral lug Q: The minimum allowable distance to be maintained from a 50,000 btuh water heater flue outlet gas regulator Answer: 3' ...

A room heater installed in either a sleeping area or public area shall be: A. direct vent only B. equipped with a regulator C. equipped with a fan D. equipped with an on / off switch on the wall correct answers B What type of vent must be used when the vent of a wall furnace will be concealed in a partition wall? A. B vent B. L vent C. BH vent D. BW vent correct answers D Single wall vent connectors: A. may pass through floors, ceilings or roofs provided a metal thimble is used B...