Siderosis is a disease caused by the inhalation of - (1) silica dust (2) iron dust (3) zinc dust (4) coal dust

Siderosis is a disease caused by the inhalation of - (1) silica dust (2) iron dust (3) zinc dust (4) coal dust
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(2) iron dust Explanation: Siderosis, also known by the name of Welder's Lung is a pathological condition of the lungs caused by chronic exposure to iron oxide dust, usually at the workplace. Siderosis is considered to be an occupational illness because people breathe in the iron dust at work. The condition usually shows up on X-rays as small, opaque spots ori the worker's lungs.
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Siderosis is a disease caused by the inhalation of (1) silica dust (2) iron dust (3) zinc dust (4) coal dust

Description : Siderosis is a disease caused by the inhalation of (1) silica dust (2) iron dust (3) zinc dust (4) coal dust

Last Answer :  iron dust

Siderosis is a disease caused by the inhalation of __________ dust. (A) Coal(B) Silica(C) Iron(D) None of these

Description : Siderosis is a disease caused by the inhalation of __________ dust. (A) Coal (B) Silica (C) Iron (D) None of these

Last Answer : (C) Iron

'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. (A) Coal (B) Uranium ore (C) Iron ore (D) Lime

Description : 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. (A) Coal (B) Uranium ore (C) Iron ore (D) Lime

Last Answer : (A) Coal

Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes (A) Asphyxiation (suffocation) (B) Shortness of breath (C) Tuberculosis (D) All (A), (B) and (C)

Description : Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes (A) Asphyxiation (suffocation) (B) Shortness of breath (C) Tuberculosis (D) All (A), (B) and (C)

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

Inhalation of silica dust causes a disease called (A) Bronchitis (B) Silicosis (C) Pneumoconiosis (D) None of these

Description : Inhalation of silica dust causes a disease called (A) Bronchitis (B) Silicosis (C) Pneumoconiosis (D) None of these

Last Answer : (B) Silicosis

Inhalation of silica dust by human being causes (A) Asphyxiation (B) Shortness of breath (C) Tuberculosis (D) Both (B) & (C)

Description : Inhalation of silica dust by human being causes (A) Asphyxiation (B) Shortness of breath (C) Tuberculosis (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

An acquired siderosis-Bantu siderosis is due to (A) Foods cooked in iron pots (B) Diet high in phosphorous (C) Diet high in calcium (D) High fat diet

Description : An acquired siderosis-Bantu siderosis is due to (A) Foods cooked in iron pots (B) Diet high in phosphorous (C) Diet high in calcium (D) High fat diet

Last Answer : Answer : A

Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Description : Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Last Answer : Answer : A

How would you separate the mixture of iron dust and zinc dust?

Description : How would you separate the mixture of iron dust and zinc dust?

Last Answer : An electromagnet would attract the iron particles and leave thezinc behind. Tapping or vibrating the electromagnetic would shakeof the zinc and help prevent zinc from clinging with the iron. Onceseparated, turning of the electromagnetic should release the ironparticles from the magnet.

Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Description : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Last Answer : (A) Mainly tin (85%) and lead

Fruit cracking disease in Pomegranate is caused due to the deficiency of - a) Zinc b) Iron c) Boron d) Sulphar

Description : Fruit cracking disease in Pomegranate is caused due to the deficiency of - a) Zinc b) Iron c) Boron d) Sulphar

Last Answer : c) Boron

Which of the following has the minimum absorptivity? (A) Aluminium foil (B) Coal dust (C) Refractory bricks (D) Iron plates

Description : Which of the following has the minimum absorptivity? (A) Aluminium foil (B) Coal dust (C) Refractory bricks (D) Iron plates

Last Answer : (A) Aluminium foil

Efflorescence in cement is caused due to an excess of (A) Alumina (B) Iron oxide (C) Silica (D) Alkalis

Description : Efflorescence in cement is caused due to an excess of (A) Alumina (B) Iron oxide (C) Silica (D) Alkalis

Last Answer : Answer: Option D

Efflorescence is cement is caused due to the excess of (a) Lime (b) Silica (c) Alkalies (d) Iron oxide

Description : Efflorescence is cement is caused due to the excess of (a) Lime (b) Silica (c) Alkalies (d) Iron oxide

Last Answer : (c) Alkalies

Efflorescence in cement is caused due to an excess of [ A ] Alkalies [ B ] Silica [ C ] Iron oxide [ D ] Alumina

Description : Efflorescence in cement is caused due to an excess of [ A ] Alkalies [ B ] Silica [ C ] Iron oxide [ D ] Alumina

Last Answer : [ A ] Alkalies

Woolsorter disease applies to the form of a. inhalation; tularemia b. toxic; myonecrosis c. intestinal; anthrax d. inhalation; anthrax

Description : Woolsorter disease applies to the form of a. inhalation; tularemia b. toxic; myonecrosis c. intestinal; anthrax d. inhalation; anthrax

Last Answer : d. inhalation; anthrax

Galvanising means covering iron with a thin coat of (A) Tin (B) Zinc (C) Glaze (D) Coal tar

Description : Galvanising means covering iron with a thin coat of (A) Tin (B) Zinc (C) Glaze (D) Coal tar

Last Answer : Answer: Option B

The material generally not used as extender in paints, is (A) Powdered silica (B) Gypsum (C) Talc (D) Zinc white

Description : The material generally not used as extender in paints, is (A) Powdered silica (B) Gypsum (C) Talc (D) Zinc white

Last Answer : Answer: Option D

Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter treatment with aqueous KOH yields comp

Description : Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter treatment with aqueous KOH yields comp

Last Answer : Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter ... . Compound F is A. B. C. D.

Phenol on distilling with zinc dust gives

Description : Phenol on distilling with zinc dust gives

Last Answer : Phenol on distilling with zinc dust gives A. benzene B. diphenyl ether C. diphenol D. zinc phenoxide

Zinc dust is obtained by

Description : Zinc dust is obtained by

Last Answer : Zinc dust is obtained by A. crushing zinc metal B. Burning zinc metal in air C. Melting zinc and ... with a blast of air D. Roasting zinc sulphide.

How is granular zinc & zinc dust obtained ?

Description : How is granular zinc & zinc dust obtained ?

Last Answer : Ans. Granular zinc is obtained by pouring molten zinc in cold water & zinc dust by melting zinc & then atomising it with blast of air. 

Which of the following reactions does not produce benzene as one of the products? (a) Treating benzenediazonium chloride with H3PO2 (b) Distilling phenol with zinc dust (c) Fusing sodium benzoate with NaOH (d) Fusing sodium benzenesulfonate with NaOH

Description : Which of the following reactions does not produce benzene as one of the products? (a) Treating benzenediazonium chloride with H3PO2 (b) Distilling phenol with zinc dust (c) Fusing sodium benzoate with NaOH (d) Fusing sodium benzenesulfonate with NaOH

Last Answer : Fusing sodium benzenesulfonate with NaOH

Resorcinol on distillation with zinc dust gives (a) Benzene (b) Cyclohexane (c) Toluene (d) m-Xylene

Description : Resorcinol on distillation with zinc dust gives (a) Benzene (b) Cyclohexane (c) Toluene (d) m-Xylene

Last Answer : Benzene

Cresols on distillation with zinc dust gives (a) o-Xylene(b) Benzene(c) o- plus p-Xylene(d) Toluene

Description : Cresols on distillation with zinc dust gives (a) o-Xylene (b) Benzene (c) o- plus p-Xylene (d) Toluene

Last Answer : Toluene

Phenol on distillation with Zinc dust gives (a) Phenylzinc (b) Benzene (c) Cyclohexanone (d) Benzoic acid

Description : Phenol on distillation with Zinc dust gives (a) Phenylzinc (b) Benzene (c) Cyclohexanone (d) Benzoic acid

Last Answer : Benzene

Red color of onion is caused due to the presence of - a) Zinc b) Sulpher c) Iron d) Anthocynin

Description : Red color of onion is caused due to the presence of - a) Zinc b) Sulpher c) Iron d) Anthocynin

Last Answer : d) Anthocynin

Brown spots in fabrics will be caused by washing with water containing large amount of: (A) Iron (B) Zinc (C) Iodine (D) Bromine

Description : Brown spots in fabrics will be caused by washing with water containing large amount of: (A) Iron (B) Zinc (C) Iodine (D) Bromine

Last Answer : (A) Iron

Minamata disease was caused by: (1) Mercury (2) Lead (3) Cadmium (4) Zinc

Description : Minamata disease was caused by: (1) Mercury (2) Lead (3) Cadmium (4) Zinc

Last Answer : (1) Mercury Explanation: Minamata disease is a neurological syndrome caused by severe mercury poisoning. Symptoms include ataxia, numbness in the hands and feet, general muscle weakness, narrowing of the ... speech. It was first discovered in Minamata city in Kumamoto prefecture, Japan, in 1956.

Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc

Description : Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc

Last Answer : (C) Molybdenum

The khaira disease of rice is caused due to deficiency of which of the following? [a] Zinc [b] Nickel [c] Nitrogen [d] Sulphur [e] None of the above

Description : The khaira disease of rice is caused due to deficiency of which of the following? [a] Zinc [b] Nickel [c] Nitrogen [d] Sulphur [e] None of the above

Last Answer : [d] Sulphur

Leaf drop disease in peach is caused due to the deficiency of - a) Ammonium b) Calcium c) Potassium d) Zinc

Description : Leaf drop disease in peach is caused due to the deficiency of - a) Ammonium b) Calcium c) Potassium d) Zinc

Last Answer : b) Calcium

Minamata disease was caused by : (1) Mercury (2) Lead (3) Cadmium (4) Zinc

Description : Minamata disease was caused by : (1) Mercury (2) Lead (3) Cadmium (4) Zinc

Last Answer : Mercury

The leaf curl disease in Chilli, Tobacco, Papaya and Tomato is a - a) Difeciency of Zinc b) Virus borne disease c) Difeciency of Phosphoras d) Difeciency of Iron

Description : The leaf curl disease in Chilli, Tobacco, Papaya and Tomato is a - a) Difeciency of Zinc b) Virus borne disease c) Difeciency of Phosphoras d) Difeciency of Iron

Last Answer : b) Virus borne disease

The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron

Description : The main cause of leaf mottle disease in citrus is due to the deficiency of - a) Manganese b) Sulphar c) Zinc d) Iron

Last Answer : c) Zinc

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 : (1) tendency of carbon dioxide to form a layer along with dust smoke Explanation: Burning coal requires oxygen to chemically react. The availability of oxygen is limited in the furnace by several factors ... dioxide from forming layer along with dust smoke so as to keep the supply of oxygen intact.

Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? (A) Trough washer (B) Baum jig washer (C) Spiral separator (D) Froth floatation

Description : Which of the following is the most suitable for cleaning of fine coal dust (

Last Answer : (D) Froth floatation

Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H2 in the gas (due to the endothermic reaction represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

Description : Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in ... represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

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

Froth floatation is used for (A) Washing fine coal dust (< 0.5 mm size) (B) Washing lump coal (> 80 mm size) (C) Removing ash from the coal based on difference in specific gravity of coal and ash

Description : Froth floatation is used for (A) Washing fine coal dust (< 0.5 mm size) (B) Washing lump coal (> 80 mm size) (C) Removing ash from the coal based on difference in specific gravity of coal and ash

Last Answer : (A) Washing fine coal dust (< 0.5 mm size)

Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler? (A) Multicyclones (B) Bag filter (C) Wet scrubber (D) Hydrocyclones

Description : Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler? (A) Multicyclones (B) Bag filter (C) Wet scrubber (D) Hydrocyclones

Last Answer : (B) Bag filter

Presence of free moisture in coal during its high temperature carbonisation (A) Reduces the coking time (B) Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls (C) Increases the loss of fine coal dust from the ovens when charging (D) None of these

Description : Presence of free moisture in coal during its high temperature carbonisation (A) Reduces the coking time (B) Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls (C) Increases the loss of fine coal dust from the ovens when charging (D) None of these

Last Answer : (B) Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls

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

An absorption loss caused by valence electrons in the silica material from which fibers are manufactured. A. Modal dispersion B. Infrared absorption C. Ion resonance absorption D. Ultraviolet absorption

Description : An absorption loss caused by valence electrons in the silica material from which fibers are manufactured. A. Modal dispersion B. Infrared absorption C. Ion resonance absorption D. Ultraviolet absorption

Last Answer : D. Ultraviolet absorption

Pick out the wrong statement. (A) Caustic embrittlement of boiler's metallic parts is caused by highconcentration of caustic soda in boiler feed water(B) Cooling and freezing of water kills the bacteria present in it(C) With increasing boiler operating pressure of steam, the maximumallowable concentration of silica in feed water goes on decreasing(D) Dissolved oxygen content in high pressure boiler feed water should benil

Description : Pick out the wrong statement. (A) Caustic embrittlement of boiler's metallic parts is caused by highconcentration of caustic soda in boiler feed water (B) Cooling and freezing of water kills the ... goes on decreasing (D) Dissolved oxygen content in high pressure boiler feed water should be nil

Last Answer : (B) Cooling and freezing of water kills the bacteria present in it

It is caused by valence electrons in the silica material from which the fiber are manufactured. ∙ A. ion resonance absorption ∙ B. infrared absorption ∙ C. ultraviolet absorption ∙ D. visible light absorption

Description : It is caused by valence electrons in the silica material from which the fiber are manufactured. ∙ A. ion resonance absorption ∙ B. infrared absorption ∙ C. ultraviolet absorption ∙ D. visible light absorption

Last Answer : ultraviolet absorption

It is caused by valence electrons in the silica material from which the fiber are manufactured.

Description : It is caused by valence electrons in the silica material from which the fiber are manufactured.

Last Answer : ultraviolet absorption

What is inhalation ?

Description : What is inhalation ?

Last Answer : The biochemical process by which food is oxidized in cells and releases food energy is called inhalation.

Where is oxgyen in greater concentration in the alveoli just after inhalation or in the blood entering the pulmonary?

Description : Where is oxgyen in greater concentration in the alveoli just after inhalation or in the blood entering the pulmonary?

Last Answer : Need answer

What are the main muscle involved in inhalation?

Description : What are the main muscle involved in inhalation?

Last Answer : Need answer

Inhalation anthrax?

Description : Inhalation anthrax?

Last Answer : DefinitionInhalation (or respiratory) anthrax is an infectious disease brought on by breathing in the spores of the bacteria Bacillus anthracis.Alternative NamesAnthrax - inhalationCauses, incidence, and risk ... they'll get symptoms. The bacteria spores must "germinate," or sprout (