Ionisation potential applied across the electrodes of electrostatic tar precipitator is around (A) 230 V AC (B) 60 KV AC (C) 230 V DC (D) 60 KV DC

Ionisation potential applied across the electrodes of electrostatic tar
precipitator is around
(A) 230 V AC
(B) 60 KV AC
(C) 230 V DC
(D) 60 KV DC
by

1 Answer

Answer :

(D) 60 KV DC
by

Related questions

Ionisation potential employed in the industrial electrostatic precipitator is of the order of (A) 30 to 70 kV DC (B) 30 to 70 kV AC (C) 230 V AC (D) 230 V DC

Description : Ionisation potential employed in the industrial electrostatic precipitator is of the order of (A) 30 to 70 kV DC (B) 30 to 70 kV AC (C) 230 V AC (D) 230 V DC

Last Answer : (A) 30 to 70 kV DC

Traces of liquid tar fog present in coke oven gas is separated using (A) Electrostatic precipitator (B) Cyclone separator (C) Strainer (D) None of these

Description : Traces of liquid tar fog present in coke oven gas is separated using (A) Electrostatic precipitator (B) Cyclone separator (C) Strainer (D) None of these

Last Answer : (A) Electrostatic precipitato

Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the (A) Hot scarfing of steel slabs (B) Mixing with blast furnace gas (C) Coke oven battery heating (D) Steel ladle drying

Description : Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the (A) Hot scarfing of steel slabs (B) Mixing with blast furnace gas (C) Coke oven battery heating (D) Steel ladle drying

Last Answer : (C) Coke oven battery heating

Traces of tar fog present in the coke oven gas is removed by (A) Cyclone separator (B) Wet packed scrubber (C) Electrostatic precipitator (D) Washing with monoethanolamine

Description : Traces of tar fog present in the coke oven gas is removed by (A) Cyclone separator (B) Wet packed scrubber (C) Electrostatic precipitator (D) Washing with monoethanolamine

Last Answer : (C) Electrostatic precipitator

An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)

Description : An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)

Last Answer : Solution:

belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned respectively near to the bottom of the lower pulley and inside the sphere, over the upper pulley. The top electrode is connected to the sphere and the bottom one to the ground. A high DC potential is applied to the upper pulley. A simple version of which equipment is being described here?

Description : belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned ... potential is applied to the upper pulley. A simple version of which equipment is being described here?

Last Answer : Van de Graaff generator.

An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to

Description :  An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V 

Last Answer :  An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V 

In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied

Description : In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied voltage is (A) 70 V (B) 50 V (C) 60 V (D) 100 V

Last Answer : In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied voltage is 50 V

Compare Single phase 25 kV AC and 1500 V DC track electrification.

Description : Compare Single phase 25 kV AC and 1500 V DC track electrification.

Last Answer : Points Single phase 25 kV AC track Electrification 1500 V DC track electrification Supply given to O/H condition 1-ph, 25KV, AC 50 Hz  600/750V-Tromways 1500/3000V urban/suburban ... track distance Less More Applications Main line services Urban and suburban area

The potential difference across the gap of a spark plug ranges between a) 10-20 mV b) 10-20 V c) 10-20 kV d) 10-20 MV

Description : The potential difference across the gap of a spark plug ranges between a) 10-20 mV b) 10-20 V c) 10-20 kV d) 10-20 MV

Last Answer : ans a

Three 60 W bulbs are in parallel across the 230 V power line. If one bulb burns out

Description : Three 60 W bulbs are in parallel across the 230 V power line. If one bulb burns out

Last Answer : Three 60 W bulbs are in parallel across the 230 V power line. If one bulb burns out the other two bulbs will remain glowing

. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Description : . The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Last Answer : (B) Electrostatic precipitator

Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. (A) 200°C and 5 atm (B) 1000°C and 10 atm (C) 500°C and 50 atm (D) 1000°C and 500 atm

Description : Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. (A) 200°C and 5 atm (B) 1000°C and 10 atm (C) 500°C and 50 atm (D) 1000°C and 500 atm

Last Answer : (B) 1000°C and 10 atm

Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Description : Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Last Answer : (C) Electrostatic precipitator

Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas? (A) Packed scrubber (B) Gravity settling chamber (C) Electrostatic precipitator (D) Hydrocyclone

Description : Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas? (A) Packed scrubber (B) Gravity settling chamber (C) Electrostatic precipitator (D) Hydrocyclone

Last Answer : (C) Electrostatic precipitator

Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature (C) Electrostatic precipitator is the most efficient dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Description : Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for ... dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Last Answer : (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature

Which of the following fine dust removal equipments is the most efficient? (A) Bag filter (B) Scrubber (C) Electrostatic precipitator (D) Cyclone separator

Description : Which of the following fine dust removal equipments is the most efficient? (A) Bag filter (B) Scrubber (C) Electrostatic precipitator (D) Cyclone separator

Last Answer : (C) Electrostatic precipitator

Naphthalene is removed from coke oven gas by (A) Adsorbing on palladium (B) Absorbing in ethanolamine (C) Scrubbing with wash oil (D) Passing it through electrostatic precipitator

Description : Naphthalene is removed from coke oven gas by (A) Adsorbing on palladium (B) Absorbing in ethanolamine (C) Scrubbing with wash oil (D) Passing it through electrostatic precipitator

Last Answer : (C) Scrubbing with wash oil

Which of the following does not discharge the dust collected as a dry solid? (A) Electrostatic precipitator (B) Wet scrubber (C) Bag filter (D) Gravity settling chamber

Description : Which of the following does not discharge the dust collected as a dry solid? (A) Electrostatic precipitator (B) Wet scrubber (C) Bag filter (D) Gravity settling chamber

Last Answer : (B) Wet scrubber

Corona discharge is related to the operation of a/an (A) Induction motor (B) Electrostatic precipitator (C) Fast breeder reactor (D) Magneto hydrodynamic generator (MHD)

Description : Corona discharge is related to the operation of a/an (A) Induction motor (B) Electrostatic precipitator (C) Fast breeder reactor (D) Magneto hydrodynamic generator (MHD)

Last Answer : Option B

Coal tar is used as a (A) Binding material for coal briquettes (B) Fuel in rotary kiln (C) Binder in making carbon electrodes (D) All (A), (B) and (C)

Description : Coal tar is used as a (A) Binding material for coal briquettes (B) Fuel in rotary kiln (C) Binder in making carbon electrodes (D) All (A), (B) and (C)

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

Electrostatic precipitator is used to control the pollution of – (1) air (2) water (3) noise (4) thermal

Description : Electrostatic precipitator is used to control the pollution of – (1) air (2) water (3) noise (4) thermal

Last Answer : (1) air Explanation: An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an ... particles from a flowing gas (such as air) using the force of an induced electrostatic charge.

Electrostatic precipitator is used to control — (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution

Description : Electrostatic precipitator is used to control — (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution

Last Answer : (1) Air pollution Explanation: An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing has (such as air) using the force ... , and can easily remove fine particulate matter such as dust and smoke from the air stream.

Electrostatic Precipitator is used to control the –

Description : Electrostatic Precipitator is used to control the –

Last Answer : consequent pole

Electrostatic precipitator is used to remove:

Description : 17 Electrostatic precipitator is used to remove: a) Poisonous gases present in the smoke released from the industry b) Carbon dioxide present in the smoke released from the automobiles c) ... smoke released from the automobiles d) Particulate matter present in the smoke released from the industry

Last Answer : ANS: d Particulate matter present in the smoke released from the industry

Electrostatic precipitator is used to control – (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution

Description : Electrostatic precipitator is used to control – (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution

Last Answer : Air pollution

Electrostatic precipitator is used to control the pollution of (1) air (2) water (3) noise (4) thermal

Description : Electrostatic precipitator is used to control the pollution of (1) air (2) water (3) noise (4) thermal

Last Answer : air

If first ionisation potential of a hypothetical atom is `16 V`, then the first excitation potential will be :

Description : If first ionisation potential of a hypothetical atom is `16 V`, then the first excitation potential will be :

Last Answer : If first ionisation potential of a hypothetical atom is `16 V`, then the first excitation potential will be : A. `10*2 eV` B. 12 eV C. 14 eV D. 16 eV

A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor

Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

Voltage applied across a ceramic dielectric produces an electrostatic...

Description : Voltage applied across a ceramic dielectric produces an electrostatic field 100 times greater than in air. The dielectric constant? of the ceramic equals________. 

Last Answer : Voltage applied across a ceramic dielectric produces an electrostatic field 100 times greater than in air. The dielectric constant? of the ceramic equals 100.

In a three-wire, 230/115 volt DC system, the potential between neutral and negative is _____________. A. 0 volts B. 115 volts C. 230 volts D. 460 volts

Description : In a three-wire, 230/115 volt DC system, the potential between neutral and negative is _____________. A. 0 volts B. 115 volts C. 230 volts D. 460 volts

Last Answer : Answer: B

A potential difference of V = 100 ± 2 volt, when applied across a resistance R gives a current of 10 ± 0.5 ampere.

Description : A potential difference of V = 100 ± 2 volt, when applied across a resistance R gives a current of 10 ± 0.5 ampere.

Last Answer : A potential difference of V = 100 2 volt, when applied across a resistance R gives a current of 10 ... percentage error in R given by R = V/I.

A potential difference of 10 V is applied across a conductor of resistance `1 k Omega`. Find the number of electrons flowing through the conductor in

Description : A potential difference of 10 V is applied across a conductor of resistance `1 k Omega`. Find the number of electrons flowing through the conductor in

Last Answer : A potential difference of 10 V is applied across a conductor of resistance `1 k Omega`. ... of electrons flowing through the conductor in 5 minutes.

Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is A. 1 A B. 2 A C. 0.5 A D. 0.20 A

Description : Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is A. 1 A B. 2 A C. 0.5 A D. 0.20 A

Last Answer : 0.20 A

A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc

Description : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V

Last Answer : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is 9 V

A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4:1) is supplying power to a half-wave

Description : A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4:1) is supplying power to a half-wave uncontrolled ac-dc converter used for charging a battery (12 V dc) with the series current limiting resistor being 19.04 Ohm. The charging current is  (A) 2.43 A (B) 1.65 A (C) 1.22 A (D) 1.0 A

Last Answer : A single-phase, 230 V, 50 Hz ac mains fed step down transformer (4:1) is supplying power to a half-wave uncontrolled ac-dc converter used for charging a battery (12 V dc) with the series current limiting resistor being 19.04 Ohm. The charging current is 1.0 A

Current in a 60 W light bulb when it is connected to a 230 V power supply is A. 0.26 A B. 1.5 A C. 2.6 A D. 3.9 A

Description : Current in a 60 W light bulb when it is connected to a 230 V power supply is A. 0.26 A B. 1.5 A C. 2.6 A D. 3.9 A

Last Answer : 0.26 A

Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

Description : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

Last Answer : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

How does ionisation energy vary across a period and down a group?

Description : How does ionisation energy vary across a period and down a group?

Last Answer : Ionisation energy increases along a period and decreases down a group. Ionisation energy decreases with increase in the atomic size. Ionisation energy Increases Across a period (Left to right)

The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` state of the hydrogen atom is

Description : The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` state of the hydrogen atom is

Last Answer : The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` ... . 13.6 eV C. 6.8 eV D. 3.4 eV

One energy difference between the states `n = 2` and `n= 3` is `"E eV"`, in hydrogen atom. The ionisation potential of `H` atom is -

Description : One energy difference between the states `n = 2` and `n= 3` is `"E eV"`, in hydrogen atom. The ionisation potential of `H` atom is -

Last Answer : One energy difference between the states `n = 2` and `n= 3` is `"E eV"`, in hydrogen atom. The ionisation potential ... B. 5.6 E C. 7.2 E D. 13.2 E

Ionisation potential is very low for

Description : Ionisation potential is very low for

Last Answer : Ionisation potential is very low for A. Xe B. Ne C. He D. Ar

The element having highest ionisation potential is

Description : The element having highest ionisation potential is

Last Answer : The element having highest ionisation potential is A. H B. N C. O D. He

In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Description : In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Last Answer : (1) cannot be predicted

In a period from Li to F, ionisation potential (1) cannot be predicted (2) increases (3) decreases (4) remains same

Description : In a period from Li to F, ionisation potential (1) cannot be predicted (2) increases (3) decreases (4) remains same

Last Answer : cannot be predicted

The electrical supply applied to the anodes shown in the illustration is _____________. EL-0090 A. low voltage, high current DC B. low voltage, high current AC C. high voltage, low current DC D. high voltage, low current AC

Description : The electrical supply applied to the anodes shown in the illustration is _____________. EL-0090 A. low voltage, high current DC B. low voltage, high current AC C. high voltage, low current DC D. high voltage, low current AC

Last Answer : Answer: A

A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC

Description : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the

Last Answer : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the C only

An ac voltage is applied across a diode. The tube will conduct when

Description : An ac voltage is applied across a diode. The tube will conduct when

Last Answer : Positive.

A short in the shunt field of a DC motor is best located by _____________. A. visual inspection of the commutator B. applying AC voltage to each field coil and measuring the voltage drop across each field coil C. using a growler and hacksaw blade D. isolating each coil from the others and using a megohmmeter

Description : A short in the shunt field of a DC motor is best located by _____________. A. visual inspection of the commutator B. applying AC voltage to each field coil and measuring the voltage drop across ... using a growler and hacksaw blade D. isolating each coil from the others and using a megohmmeter

Last Answer : Answer: B

An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. can be started across the line D. offer a more effective means of controlling speed

Description : An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. can be started across the line D. offer a more effective means of controlling speed

Last Answer : Answer: D