What is a fireplace flue damper, and how do you open one?

1 Answer

Answer :

A damper is a valve just above the fireplace to ventilate fresh oxygen to the fire. Without oxygen a fire cannot produce flame. There should be a lever near the fireplace to open this valve.

Related questions

Description : Which way does the damper go to open the flue on the fireplace?

Last Answer : answer:The ones I have used push up and back to open, letting smoke out. I highly recommend looking up there with a flashlight (once the ashes are cool, lol). It's a really simple iron mechanism, ... as complicated as a shoelace. Once you see it you will forever remember how to work the dang thing.

Description : Can I buy an automatic fireplace flue damper that would open and close by itself when we want a fire?

Last Answer : Yes, there are automatic fireplace flue dampers available for sale on the internet. Check out www.fluesentinel.com and www.actionair.co.uk or fireplace showrooms near you for more detailed information.

Description : The Importance of a Fireplace Flue Damper?

Last Answer : It's important that an indoor fireplace flue damper be opened before igniting anything in a fireplace. The damper looks similar to a trap door and is located at the bottom of the chimney. When ... closed. This saves money on energy by preventing heat or air conditioning loss up through the chimney.

Description : Where can one find info about fireplace flue damper ?

Last Answer : If you are looking for more information on where can you find info about fireplace flue damper, the best place to look is on www.csia.org/FAQs/tabid/120/Default.aspx

Description : A flue damper and a vent damper are two examples of _______ a. Combustion air positive shut off devices b. Combustion air negative shut off devices c. Both a. & b. d. None of the above

Last Answer : a. Combustion air positive shut off devices

Description : What is the function of damper in transmission line ?

Last Answer : : Using a damper on the transmission line protects the pole from vibration.

Description : What is Damper Winding ? What is a damper winding ?

Last Answer : To eliminate the banana oscillation of the alternator or synchronous motor, the pole sue is cut and a copper bar or rod is inserted in each groove and the two ends of the rods are shortened by a copper ring , this is called damper winding.

Description : A damper winding is designed as part of a synchronous motor to ____________. A. increase efficiency B. provide starting torque C. provide excitation D. eliminate slippage

Last Answer : Answer: B

Description : The function of amortisseur, or damper windings in a synchronous motor is to _____________. A. eliminate slippage B. provide excitation C. provide starting torque D. increase efficiency

Last Answer : Answer: C

Description : The function of damper windings in a synchronous motor is to _____________. A. eliminate slippage B. provide excitation C. provide starting torque D. increase efficiency

Last Answer : Answer: C

Description : Mention the uses of damper windings in a synchronous machine?

Last Answer : 1. Damper winding is used to reduce the oscillations developed in the rotor of alternator when it is suddenly loaded. 2. The damper winding is used to start the synchronous motor as an induction motor.

Description : What is the function of damper winding?

Last Answer : To provide starting torque To prevent or minimize hunting

Description : Why damper windings are used in synchronous motor? Or How synchronous motor is started as squirrel cage motor?

Last Answer : The damper winding consists of short circuited copper bars embedded in the the face of the rotor poles. When an ac supply is provided to stator of a 3-phase synchronous motor, stator winding produces ... magnetic field and damper winding is zero. Hence there will be no emf induced in damper winding.

Description : Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) ... X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Last Answer : A) (damper inertia) / (main system inertia)

Description : In Fullarton Tachometer, a thin strip with a ______ is attached at one of its ends. (A) mass (B) spring (C) damper (D) shaft

Last Answer : (A) mass

Description : A vehicle suspension system consists of a spring and a damper. Stiffness of spring is 3.5 KN/m and damping constant of damper is 400Ns/m. If mass is 50 kg, then damping factor is A 0.606 B 0.10 C 0.666 D 0.471

Last Answer : D 0.471

Description : Determine the viscous damping coefficient if damper offers resistance 0.05N at constant velocity 0.04m/sec A 0.8N-sec/m B 1.5N-sec/m C 2.5N-sec/m D 1.25N-sec/m

Last Answer : D 1.25N-sec/m

Description : If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor? A. 0B. 1/2 C. 1/4 D. Infinity

Last Answer : D. Infinity

Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m B. 80 x 10 3 N-s/m C. 42 x 10 3 N-s/m D. None of the above

Last Answer : C. 42 x 10 3 N-s/m

Description : Calculate damped natural frequency, if a spring mass damper system is subjected to periodic disturbing force of 30 N. Damping coefficient is equal to 0.76 times of critical damping coefficient and undamped natural frequency is 5 rad/sec A. 3.99 rad/sec B. 2.13 rad/sec C. 4.12 rad/sec D. 3.24 rad/sec

Last Answer : D. 3.24 rad/sec

Description : If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor? A. 0 B. 0.5 C. 0.25 D. Infinite

Last Answer : D. Infinite

Description : Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) ... X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Last Answer : A) (damper inertia) / (main system inertia)

Description : According to the untuned dry fraction damper amplitude reduction will be A) Lesser if lesser amount of energy dissipated B) Greater if greater amount of energy dissipated C) Greater if lesser amount of energy dissipated D) Lesser if greater amount of energy dissipated

Last Answer : B) Greater if greater amount of energy dissipated

Description : Following are the untuned vibration dampers A. Lanchester Damper B. Houdaille Damper C. Both (A) and (B) D. None of these

Last Answer : C. Both (A) and (B)

Description : A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural ... , are a) 0.471 and 1.19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz

Last Answer : a) 0.471 and 1.19 Hz

Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m b. 80 x 10 3 N-s/m c. 42 x 10 3 N-s/m d. None of the above

Last Answer : c. 42 x 10 3 N-s/m

Description : If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor?(A) 0 (B) 0.5 (C) 0.25 (D) Infinite

Last Answer : (D) Infinite

Description : If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor? a) 0 b) 1/2 c) 1/4 d) Infinity

Last Answer : d) Infinity

Description : A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural ... .19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz d) 0.666 and 8.50 Hz

Last Answer : a) 0.471 and 1.19 Hz

Description : Furnace pressure is normally controlled by regulating the (A) Air pressure (B) Fuel gas pressure (C) Speed of I.D. fan (D) Damper

Last Answer : (D) Damper

Description : Artificial draught produced by a fan in the furnace can be controlled by the (A) Speed of the fan (B) Damper (C) Variation in the pitch of fan blades (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Artificial draught produced by a fan can be controlled by the (A) Speed of the fan (B) Damper (C) Variation in the pitch of the fan blades (D) All (A), (B) and (C

Last Answer : (D) All (A), (B) and (C

Description : Based on the exhaust gas analysis, a controller maintains stoichiometric combustion __ a. by commanding a servo motor to adjust the combustion air damper b. By commanding servo motor to adjust the fuel supply valve. c. Both a. & b. d. None of the above.

Last Answer : c. Both a. & b.

Description : What type of bias (positive or negative) is added to a negative damper for the most positive extremity of the wave shape to be clamped above 0 volts?

Last Answer : Positive bias.

Description : A negative damper with negative bias clamps the most positive extremity of the output wave shape to what polarity (positive or negative)?

Last Answer : Negative potential.

Description : A negative damper damps which extremity of the output waveshape to 0 volts?

Last Answer : Most positive.

Description : What type damper (with bias) clamps the most negative extremity of the output waveform to a negative potential?

Last Answer : Positive clamper with negative bias.

Description : To which polarity does a positive damper with positive bins clamp the most negative extremity of the output waveform (positive or negative)?

Last Answer : Positive potential.

Description : A positive damper clamps which extremity of the output signal to 0 volts?

Last Answer : Most negative.

Description : What is the relative length of the discharge time constant with respect to the charge time constant of a damper (long or short)?

Last Answer : Long time constant.

Description : What is the relative length of the time constant for the diode capacitor combination in a damper (long or short)?

Last Answer : Short time constant.

Description : A yaw damper: a. Increases rudder effectiveness b. Must be disengaged before making a turn c. Augments stability d. Increases the rate of yaw

Last Answer : c. Augments stability

Description : When a synchronous motor is running at synchronous speed, the damper winding produces (A) damping torque. (B) eddy current torque. (C) torque aiding the developed torque. (D) no torque.

Last Answer : (D) no torque.

Description : State the location and function of Torsion damper spring and pressure spring in a single plate dry disc clutch.

Last Answer : Torsion damper spring:  Location: They are small coil springs located between the clutch disc splined hub and the friction disc assembly.  Function: These springs provides a flexible torsional ... locks the engine to the transmission input shaft, causing them to spin at the same speed.

Last Answer : Damper winding is provided on the rotor of synchronous motors to provide high starting torque. It works on the principle of electromagnet induction.

Description : Damper winding in a synchronous motor

Last Answer : Damper winding in a synchronous motor Serves to start the motor.

Description : Damper winding is provided in 3 phase synchronous motors to :

Last Answer : Damper winding is provided in 3 phase synchronous motors to : provide starting torque and prevent hunting

Description : If you are concerned about conserving energy, would you use a gas or electric fireplace just for ambiance?

Last Answer : Another first world problem. If you are going to conserve energy as your question states, then don’t consume just for effect.

Description : Can you guys help me find a wood burning fireplace that sits in the corner?

Last Answer : I have a Vermont Castings wood stove that is set in the corner with a through-the-wall flue. In the past I had an excellent Lopi woodstove, also set in a corner. Both with windows in the front door, both excellent heaters.

Description : Can you help me with a question about my remote control to my gas fireplace?

Last Answer : I’m sure you have checked the battery, in the remote? It should be in the manual, I would say, but it could be that the remote beeps to tell you that the battery is getting low?