Can you balance this SF4 plus F2 2 SF6?

Can you balance this SF4 plus F2 2 SF6?
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Why is SF4 more reactive than SF6 ?

Description : Why is SF4 more reactive than SF6 ?

Last Answer : Ans . SF4 has two unpaired electrons which it can donate further to extend its valency , hence it is reactive .’S’ in SF6 has maximum 6 0.S.

What is the shape of molecules SF6 and IF7 ?

Description : What is the shape of molecules SF6 and IF7 ?

Last Answer : SF6 is Octahedral IF7 is pentagonal Bipyramidal

What Is Sf6 Circuit Breaker?

Description : What Is Sf6 Circuit Breaker?

Last Answer : SF6 is Sulpher hexa Flouride gas.. if this gas is used as arc quenching medium in a Circuitbreaker me SF6 CB.

What are the characteristic of SF6 gas?

Description : What are the characteristic of SF6 gas?

Last Answer : It has good dielectric strength and excellent arc quenching property. It is inert, non-toxic, noninflammable and heavy. At atmospheric pressure, its dielectric strength is 2.5 times that of air. At three times atmospheric pressure, its dielectric strength is equal to that of the transformer oil.

What is meant by electro negativity of SF6 gas?

Description : What is meant by electro negativity of SF6 gas?

Last Answer : SF6 has high affinity for electrons. When a free electron comes and collides with a neutral gas molecule, the electron is absorbed by the neutral gas molecule and negative ion is formed. This is called as electro negativity of SF6 gas.

What are the properties of SF6 gas?

Description : What are the properties of SF6 gas?  

Last Answer : This is inert gas. Odorless, non-toxic, colourless, stable, non-inflammable and density is more hence high dielectric strength. The special property of this gas is Electro negativity. This gas ... more slow in conduction, so that resistance in medium is increases and get arc get extinguishes. 

What is the significance of SF6 gas pressure in 6.6kV breakers?

Description : What is the significance of SF6 gas pressure in 6.6kV breakers?

Last Answer : Density gauge Green – correct SF6 pressure (3 –3.5bar) Yellow – pressure for breaking system fault current (refilling should be done) Red – SF6 pressure less than 2 bar, which indicates leak in the system. 

What are the properties of SF6 gas?

Description : What are the properties of SF6 gas?  

Last Answer : Physical properties 1. Colourless 2. Odorless 3. Non-toxic. Pure SF6 gas is not harmful to the health. 4. Non-inflammable. 5. Density- more gas density, 5 times ... advantages offer increased safety, reduction in size, weight, noiseless operation, easy installation, handling and maintenance. 

What are the levels of SF6 gas in 220 kV breaker and their significance?

Description : What are the levels of SF6 gas in 220 kV breaker and their significance?

Last Answer : 7 kg/cm2 - normal pressure 5.2 bar - alarm 5.0 bar - closing/tripping operation blocked. 

What is the purpose of compressed air in SF6 breaker?

Description : What is the purpose of compressed air in SF6 breaker?

Last Answer : This used for drive for opening and closing of the contacts. (Arc quenching is taken care by SF6 gas) 

For interrupting capacitive currents which Circuit Breaker (CB) is used a) SF6 CB b) Oil CB c) Vacuum CB d) Air blast CB

Description : For interrupting capacitive currents which Circuit Breaker (CB) is used a) SF6 CB b) Oil CB c) Vacuum CB d) Air blast CB

Last Answer : Ans: Vacuum CB

Which of the following circuit breakers has high reliability and minimum maintenance ? (a) Air blast circuit breakers (b) Circuit breaker with SF6 gas (c) Vacuum circuit breakers (d) Oil circuit breakers

Description : Which of the following circuit breakers has high reliability and minimum maintenance ? (a) Air blast circuit breakers (b) Circuit breaker with SF6 gas (c) Vacuum circuit breakers (d) Oil circuit breakers

Last Answer : (b) Circuit breaker with SF6 gas

Which of the following medium is employed for extinction of arc in air circuit breaker ? (a) Water (b) Oil (c) Air (d) SF6

Description : Which of the following medium is employed for extinction of arc in air circuit breaker ? (a) Water (b) Oil (c) Air (d) SF6

Last Answer : (c) Air

SF6 gas (a) is yellow in colour (b) is lighter than air (c) is nontoxic (d) has pungent small (e) none of the above

Description : SF6 gas (a) is yellow in colour (b) is lighter than air (c) is nontoxic (d) has pungent small (e) none of the above

Last Answer : (c) is nontoxic

Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)

Description : Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)

Last Answer : d) perfluorocarbon (PFC)

Which of the following is not a greenhouse gas ? a) CFCs b) SO2 c) PFC d) SF6

Description : Which of the following is not a greenhouse gas ? a) CFCs b) SO2 c) PFC d) SF6

Last Answer : b) SO2

For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5

Description : For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5

Last Answer : ANSWER: B -- CH4

Describe the construction of SF6 circuit breaker with neat diagram.

Description : Describe the construction of SF6 circuit breaker with neat diagram.

Last Answer : Construction of SF6 Circuit Breaker : A sulphur hexafluoride (SF6) circuit breaker consists of fixed and moving contacts enclosed in a chamber. The chamber is called arc interruption ... contact, moving contact and arcing horn are coated with a copper-tungsten arc-resistant material. 

Name any two applications of following gases: (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.

Description : Name any two applications of following gases: (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air. 

Last Answer : i) Applications of Nitrogen:  1. As a cooling agent. 2. To avoid oxidation. 3. Electrical insulating material (Gas) in electrical equipment. ii) Applications of Hydrogen:  1. High ... As a cooling agent in electrical machines. 2. Electrical insulating material (Gas) in electrical equipment. 

Explain construction and working of SF6 circuit breaker.

Description : Explain construction and working of SF6 circuit breaker.

Last Answer : Construction: A sulphur hexafluoride (SF6) circuit breaker consists of fixed and moving contacts enclosed in a chamber. The chamber is called arc interruption chamber, which contains the ... arc being extinguished. Finally the gas enters the contact space increasing the dielectric strength.

The following is/are the characteristics of SF6 circuit breakers:

Description : The following is/are the characteristics of SF6 circuit breakers:  (A) It does not need an auxiliary breaking chamber (B) Short break time of 2 to 2.5 cycles (C) All of the above (D) None of the above

Last Answer : The following is/are the characteristics of SF6 circuit breakers:  (A) It does not need an auxiliary breaking chamber (B) Short break time of 2 to 2.5 cycles (C) All of the above (D) None of the above

SF6 gas is ?

Last Answer : SF6 gas is nontoxic.

what is SF6 circuit breaker?

Description : what is SF6 circuit breaker?

Last Answer : SF6 is Sulpher hexa Fluoride gas. If this gas is used as arc quenching medium in a Circuit breaker means SF6 CB.

f we cross pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F2 generation, then we obtain pea plants of F2 generation. (a) What do the plants of F2 generation look like? (b) State the ratio of tall plants to dwarf plants in F2 generation. (c) State the type of plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology

Description : f we cross pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F2 generation, ... plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology

Last Answer : Answer. (a) All plants of F1 generation will be tall plants. (b) 3:1 (c) Dwarf trait is recessive trait which was not expressed in the F1 generation, the recessive trait gets expressed in the F2 generation after self pollination.

A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What must be the percentage of white flower plants in F2 generation if flowers of F1 plants are self-pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology

Description : A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What ... -pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology

Last Answer : This is your Answer.

The contents of a cell can be changed by pressing F2 key on keyboard. -Technology

Description : The contents of a cell can be changed by pressing F2 key on keyboard. -Technology

Last Answer : True F2 is a shortcut for making the cell editable.

Difference of F1 generation and F2 generation. -Biology

Description : Difference of F1 generation and F2 generation. -Biology

Last Answer : answer:

Difference between the P generation F1 generation and F2 generation. -Biology

Description : Difference between the P generation F1 generation and F2 generation. -Biology

Last Answer : answer:

What is F2 generation? -Biology

Description : What is F2 generation? -Biology

Last Answer : answer:

F2 generation of a monohybrid cross. -Biology

Description : F2 generation of a monohybrid cross. -Biology

Last Answer : answer:

F2 generation of a dihybrid cross. -Biology

Description : F2 generation of a dihybrid cross. -Biology

Last Answer : answer:

F2 generation of incomplete dominance. -Biology

Description : F2 generation of incomplete dominance. -Biology

Last Answer : answer:

F2 key is used to change file / folder key ?

Description : F2 key is used to change file / folder key ?

Last Answer : The F2 key is used to rename files / folders .

Whirlpool Dishwasher Error Code f2

Description : Whirlpool dishwasher DTC f2 What error does it indicate?

Last Answer : DTC F2 at Whirlpool indicates an error in Mechinka. The description for f2 is just "tight". I don't know exactly what this might mean, but you'll definitely need a mechanic.   

Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.

Description : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.

Last Answer : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.

What are the genotypic and phenotypic ratios of the F2?

Description : What are the genotypic and phenotypic ratios of the F2?

Last Answer : Need answer

What happens to alleles between the p generation and the F2 generation?

Description : What happens to alleles between the p generation and the F2 generation?

Last Answer : In the P generation, one parent is homozygous dominant and theother parent is homozygous recessive. In the F1 generation, theproduct of a cross between the P generation, the offspring are allheterozygous ... expected result is 1/4 homozygous dominant,1/2 heterozygous, and 1/4 homozygous recessive.

What was the ratio of Mendel's F2 generation for the two-factor cross?

Description : What was the ratio of Mendel's F2 generation for the two-factor cross?

Last Answer : 9:3:3:1 was the ratio of Mendel's f2 generation for the twofactor cross.

In the lighting distribution circuit shown in the illustration, if all switches are closed and fuse 'F2' were to open, all lights on branches ____________. EL-0013 A. '1', '2', and '3' would go out B. '1' and '3' would would burn dimly, while branch '2' would burn normally C. '1', '2', and '3' would burn dimly D. '1' and '3' would go out, while branch '2' would remain lit

Description : In the lighting distribution circuit shown in the illustration, if all switches are closed and fuse 'F2' were to open, all lights on branches ____________. EL-0013 A. '1', '2', and '3' would go out B. '1' ... and '3' would burn dimly D. '1' and '3' would go out, while branch '2' would remain lit

Last Answer : Answer: D

Which of the following layers of the ionosphere has no effect on sky wave propagation during daytime? A. D B. E C. F1 D. F2

Description : Which of the following layers of the ionosphere has no effect on sky wave propagation during daytime? A. D B. E C. F1 D. F2

Last Answer : A. D

What ionospheric layer has a daytime approximate critical frequency of 8 MHz? A. F2 layer B. F1 layer C. E layer D. D layer

Description : What ionospheric layer has a daytime approximate critical frequency of 8 MHz? A. F2 layer B. F1 layer C. E layer D. D layer

Last Answer : A. F2 layer

What is the approximate single-hop nighttime range of F2 layer? A. 3840 km B. 3000 km C. 4130 km D. 2350 km

Description : What is the approximate single-hop nighttime range of F2 layer? A. 3840 km B. 3000 km C. 4130 km D. 2350 km

Last Answer : C. 4130 km

What ionospheric layer has a daytime approximate critical frequency of 8 MHz? A. F2 layer B. F1 layer C. E layer D. D layer

Description : What ionospheric layer has a daytime approximate critical frequency of 8 MHz? A. F2 layer B. F1 layer C. E layer D. D layer

Last Answer : A. F2 layer

The approximate single-hop nighttime range of F2 layer is ____. A. 3000 km B. 3840 km C. 4130 km D. 2350km

Description : The approximate single-hop nighttime range of F2 layer is ____. A. 3000 km B. 3840 km C. 4130 km D. 2350km

Last Answer : C. 4130 km

During the night when the F2 layer combines with F1 layer it falls to what approximate height? A. 250 km B. 350 km C. 300 km D. 400 km

Description : During the night when the F2 layer combines with F1 layer it falls to what approximate height? A. 250 km B. 350 km C. 300 km D. 400 km

Last Answer : C. 300 km

Which if the following layers of the ionosphere has no effect on sky wave propagation during the hours of darkness? A. D B. E C. F1 D. F2

Description : Which if the following layers of the ionosphere has no effect on sky wave propagation during the hours of darkness? A. D B. E C. F1 D. F2

Last Answer : A. D

At height about 180 km above the earth exist only during daylight. A. F2 layer B. D layer C. E layer D. F1 layer

Description : At height about 180 km above the earth exist only during daylight. A. F2 layer B. D layer C. E layer D. F1 layer

Last Answer : D. F1 layer

What is the thickest layer of the ionosphere? A. E B. F1 C. F2 D. D

Description : What is the thickest layer of the ionosphere? A. E B. F1 C. F2 D. D

Last Answer : C. F2

ECE Board Exam March 1996 The lowest layer in the ionosphere A. D B. F2 C. E D. F1

Description : ECE Board Exam March 1996 The lowest layer in the ionosphere A. D B. F2 C. E D. F1

Last Answer : A. D

The repeating units of PTFE are (A) Cl2CH-CH3 (B) F2 C = CF2 (C) F3 C-CF3 (D) FClC = CF2

Description : The repeating units of PTFE are (A) Cl2CH-CH3 (B) F2 C = CF2 (C) F3 C-CF3 (D) FClC = CF2

Last Answer : (B) F2 C = CF2