Material used inside the breather to prevent moisture entering the transformer is

Material used inside the breather to prevent moisture entering the transformer is
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Answer :

Material used inside the breather to prevent moisture entering the transformer is silica gel

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67 The chemical used in breather for transformer should have the quality of A. Ionizing air B. Absorbing moisture C. Cleansing the transformer oil D. Cooling the transformer oil

Description : 67 The chemical used in breather for transformer should have the quality of A. Ionizing air B. Absorbing moisture C. Cleansing the transformer oil D. Cooling the transformer oil

Last Answer : B. Absorbing moisture

What is the colour of silica gel in dry stage and when saturated with moisture in a breather?

Description : What is the colour of silica gel in dry stage and when saturated with moisture in a breather?

Last Answer : Dry stage – Deep blue Saturated stage – Whitish pink

What is the colour of silica gel in dry stage and when saturated with moisture in a breather?

Description : What is the colour of silica gel in dry stage and when saturated with moisture in a breather?

Last Answer : Dry stage – Deep blue. Saturated stage – Whitish pink. 

In the cables, sheaths are used to (a) prevent the moisture from entering the cable (b) provide enough strength (e) provide proper insulation (d) none of the above

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Last Answer : (a) prevent the moisture from entering the cable

The ‘sheath’ is used in cable to (A) provide strength to the cable. (B) provide proper insulation. (C) prevent the moisture from entering the cable. (D) avoid chances of rust on strands.

Description : The ‘sheath’ is used in cable to (A) provide strength to the cable. (B) provide proper insulation. (C) prevent the moisture from entering the cable. (D) avoid chances of rust on strands.

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The basic function of air dryer in a compressor is: a. prevent dust from entering compressor b. storage and smoothening pulsating air output c. reduce the temperature of the air before it enters the next state to increase efficiency d. to remove remaining traces of moisture after after-cooler

Description : The basic function of air dryer in a compressor is: a. prevent dust from entering compressor b. storage and smoothening pulsating air output c. reduce the temperature of the air before it enters the next state to increase efficiency d. to remove remaining traces of moisture after after-cooler 

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What is the use of breather in the transformer?

Description : What is the use of breather in the transformer?

Last Answer : Breather is a bottle shaped steel tube, which is attached to one side of conservator to allow the air to pass in and out of the tank or conservator through the calcium chloride and silica gel, ... contained in the air. When the silica gel absorb the moisture its colour changes from blue to pink.

D. Loading of the transformers not i76 The changes in volume of transformer cooling oil due to variation of atmospeheric temperature during day and night is taken care of by which part of transformer? A. Conservator B. Breather C. Bushings D. Buchholz relay

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Last Answer : A. Conservator

The chemical used in breather for transformer should have the quality of?

Last Answer : The chemical used in breather for transformer should have the quality of cleansing the transformer oil.

The function of breather in a transformer is?

Last Answer : The function of breather in a transformer is to arrest flow of moisture when outside air enters the transformer.

Why it is sometimes necessary to preheat the base material before welding? a) To remove oil and grease b) To remove moisture from inside the material c) To prevent the possible risk of cracking d) Not required if using cellulosic electrodes as these will provide enough heat

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Description : What material is applied to electronic assemblies to prevent damage from corrosion, moisture, and stress?

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Why silica gel is used in breather?

Description : Why silica gel is used in breather?

Last Answer : The silica gel is used to absorb the moisture when the air is drawn from the atmosphere in to the transformer.

Explain the operation of silica gel breather.

Description : Explain the operation of silica gel breather. 

Last Answer : Silica gel breather is used in a transformer to provide dry atmospheric air to the conservator when transformer breathes. The breather consists of an inner container and outer container. The inner container contains silica ... of 250º F to 300º F till the deep blue colour of silica gel is got back.

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The chemical used in breather is A. Asbestos fibre B. Silica sand C. Sodium chloride D. Silica gel

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Last Answer : Silica gel

The chemical used in breather is?

Last Answer : The chemical used in breather is silica gel.

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Description : What is the normal value of moisture content allowed in transformer oil? 

Last Answer :

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The main purpose of an electric space heater installed in a large AC generator is to _____________. A. keep the lube oil warm for quick starting B. prevent moisture from condensing in the windings when the machine is shutdown C. prevent the windings from becoming brittle D. prevent acidic pitting of the slip rings

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Description : Which of the following procedures should be used to maintain a large electric motor during periods of inactivity? A. A thin layer of air-drying varnish should be applied on the windings. B. ... periodically to remove carbon dust. D. Space heaters should be used to prevent condensation of moisture.

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The main purpose of an electric space heater installed in a large AC generator is to _____________. A. prevent the windings from becoming brittle B. prevent moisture from condensing in the windings during shutdown C. prevent acidic pitting of the slip rings D. keep the lube oil warm for quick starting

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n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

Plant genetic material in ‘GeneBank’ is preserved at – 196° C in liquid nitrogen as. (1) seedling and meristem (2) mature seed (dry) (3) pre-mature seed (high moisture) (4) ripe fruit

Description : Plant genetic material in ‘GeneBank’ is preserved at – 196° C in liquid nitrogen as. (1) seedling and meristem (2) mature seed (dry) (3) pre-mature seed (high moisture) (4) ripe fruit

Last Answer : mature seed (dry)

The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the surroundings of sigrees (3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Description : The open "Sigrees" or coal stoves often require fanning to sustain burning because of (1) tendency of carbon dioxide to form a layer along with dust smoke (2) lack of oxygen in the ... 3) accumulation of smoke and dust over the sigrees (4) interrupted release of moisture from the material

Last Answer : tendency of carbon dioxide to form a layer along with dust smoke