Instrument used to change the speed of Electric fan –

Instrument used to change the speed of Electric fan –
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Regulator
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The device used to change the speed of an electric fan is - (1) Amplifier (2) Regulator (3) Switclh (4) Rectifier

Description : The device used to change the speed of an electric fan is - (1) Amplifier (2) Regulator (3) Switclh (4) Rectifier

Last Answer : (2) Regulator Explanation: Regulator is to adjust the voltage across the motor of the fan.

The device used to change the speed of an electric fan is – (1) Amplifier (2) Regulator (3) Switch (4) Rectifier

Description : The device used to change the speed of an electric fan is – (1) Amplifier (2) Regulator (3) Switch (4) Rectifier

Last Answer : (2) Regulator Explanation: A voltage regulator is designed to automatically maintain a constant voltage level. A voltage regulator maybe a simple "feedforward" design or may include negative feedback ... power supplies where they stabilize the DC voltages used by the processor and other elements.

The device used to change the speed of an electric fan is (1) Amplifier (2) Regulator (3) Switch (4) Rectifier

Description : The device used to change the speed of an electric fan is (1) Amplifier (2) Regulator (3) Switch (4) Rectifier

Last Answer : Regulator

What is the power of electric fan ?

Description : What is the power of electric fan ?

Last Answer : Power of electric fan is 65 to 75 W.

Why does the electric fan always turn to the left ?

Description : Why does the electric fan always turn to the left ?

Last Answer : If desired, the fan can be rotated to the right by reversing the connection to the capacitor , this way the wind will flow backwards or upwards instead of downwards or forwards (the fans are placed in such a curved manner). So the fan always turns to the left as the wind blows in the user's head.

What kind of pea is used in electric fan ?

Description : What kind of pea is used in electric fan ?

Last Answer : Electric fans are used for electricity

In what year was the electric fan invented ?

Last Answer : : The electric fan was invented by the American scientist Schuyler Skaats Wheeler . He invented the electric fan in 182 at the age of only 22.

Who invented the electric fan ?

Last Answer : : SA Wheeler invented the electric fan

When the electric fan is on and revolving what energy changes are shown?

Description : When the electric fan is on and revolving what energy changes are shown?

Last Answer : Electric energy to mechanical energy, along with some to heatand sound.

How are the motions of a wheel of a moving bicycle and a mark on the blade of a moving electric fan different?

Description : How are the motions of a wheel of a moving bicycle and a mark on the blade of a moving electric fan different?

Last Answer : The main difference is that, while both rotate, the wheel has anadditional translational movement. That is, the entire wheel movesforward.

How much does it cost a college student to buy an electric fan?

Description : How much does it cost a college student to buy an electric fan?

Last Answer : Electric fans are available for as little as $5 online. Both Ebay and Amazon offer an excellent selection, or you could also try Home Depot, Sears or Target.

Why we use a capacitor in an electric fan?

Description : Why we use a capacitor in an electric fan?

Last Answer : 1. Capacitor is used for both starting the electric fan and improving power factor. 2. The voltage taken by the fan during running has lagging power factor and in order to run the fan we need ... gives a quick start to the instrument otherwise we have to use a very high voltage to the instrument.

Why the electric motor of a fan with backward curved blades is never got overloaded under any condition ?

Description : Why the electric motor of a fan with backward curved blades is never got overloaded under any condition ?

Last Answer : The maximum power is consumed at about 70% of maximum flow in case’of fan with backward blades. For higher flow, power consumption gets lower.

An example for electromagnetic wave propagation is a) refrigerator b) electric fan c) mobile transponder d) relays in actuators

Description : An example for electromagnetic wave propagation is a) refrigerator b) electric fan c) mobile transponder d) relays in actuators

Last Answer : c) mobile transponder

The electric motor in hybrid car can also act as_____ • A generator • A Fuel pump • Cooling fan • Compressor

Description : The electric motor in hybrid car can also act as_____ • A generator • A Fuel pump • Cooling fan • Compressor

Last Answer : • A generator

Suggest electric motors for i) traction ii) crane iii) lathe machine iv) domestic fan.

Description : Suggest electric motors for i) traction ii) crane iii) lathe machine iv) domestic fan.

Last Answer : i) Traction :- DC Series motor  ii) Crane :- DC Series motor  iii) Lathe machine :- 3 phase Induction motor or DC shunt motor  iv) Domestic fan :- 1 phase induction motor

The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Description : The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Last Answer : 1060 kg/m3, very close to pure water's density of 1000 kg/m3. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1.3 gallons, which is composed of plasma ... .4 million (female) erythrocytes: Red blood cells contain the blood's hemoglobin and distribute oxygen. Mature red blood

I want to make the blower on my furnace run on high!It now runs on medium speed.Can I do this myself?I am pretty handy and know how to kill the power first!Also I was thinking about putting an inline fan in the duct!Anyone have any experiences?

Description : I want to make the blower on my furnace run on high!It now runs on medium speed.Can I do this myself?I am pretty handy and know how to kill the power first!Also I was thinking about putting an inline fan in the duct!Anyone have any experiences?

Last Answer : answer:I poked around the net for a bit and figured your best resource on this will be youtube. There are a TON of how to videos! I don't know if this is the right one as I don't know the ... m sure you can find it on youtube nonetheless. I hope this helps! http://www.youtube.com/watch?v=BDF4Ce4XjVc

Why would my multi-speed fan switch operate at reverse strength?

Description : Why would my multi-speed fan switch operate at reverse strength?

Last Answer : Perhaps in the strange fashion of fans the speed directly after off is the highest, then the rest are respectively slower. And they simply numbered them 0–4 for aesthetic purposes?

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

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

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)

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)

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

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

Power requirement of fans having constant wheel diameter varies __________ fan speed. (A) As square of (B) Directly as (C) As cube of (D) None of these

Description : Power requirement of fans having constant wheel diameter varies __________ fan speed. (A) As square of (B) Directly as (C) As cube of (D) None of these

Last Answer : (C) As cube of

In case of centrifugal fan or blower, the gas capacity varies as (A) Speed (B) (Speed) 2 (C) (Speed) 3 (D) (Speed) 0.5

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Last Answer : (A) Speed

. The pressure and power requirement of a gas fan at constant speed & capacity varies __________ the gas density. (A) Directly as (B) Inversely as square root of (C) Inversely as (D) As square of

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Why is induced draught considered better than the forced draught? a) Because power requirement is high for forced draught b) Maintenance of induced draught fan is costlier c) Forced draught is less efficient d) Forced draught produces less amount of speed of air

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Last Answer : Because power requirement is high for forced draught

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Last Answer : answer:

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Description : Which instrument detects the presence of an electric charge?

Last Answer : Answer: Electroscope

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Before using an all-purpose electric measuring instrument (multimeter) utilizing internal batteries to supply power for resistance measurements, you should FIRST ____________. A. remove one of the batteries B. remove all the batteries C. calibrate using a known external resistance D. select the proper resistance range

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Last Answer : Answer: B

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Description : Instrument used to store the electric charge is known by which name?

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How to Change a CPU Cooling Fan?

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