A trace element having antioxidant function is (A) Selenium (B) Tocopherol (C) Chromium (D) Molybdenum

A trace element having antioxidant function is (A) Selenium (B) Tocopherol (C) Chromium (D) Molybdenum
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A nonspecific intracellular antioxidant is (A) Chromium (B) Magnesium (C) Selenium (D) Nickel

Description : A nonspecific intracellular antioxidant is (A) Chromium (B) Magnesium (C) Selenium (D) Nickel

Last Answer : Answer : C

The trace element catalyzing hemoglobin synthesis is (A) Manganese (B) Magnesium (C) Copper (D) Selenium

Description : The trace element catalyzing hemoglobin synthesis is (A) Manganese (B) Magnesium (C) Copper (D) Selenium

Last Answer : Answer : C

Which of the following is not a principal alloying element for the structural steel? (A) Molybdenum (B) Nickel (C) Manganese (D) Chromium

Description : Which of the following is not a principal alloying element for the structural steel? (A) Molybdenum (B) Nickel (C) Manganese (D) Chromium

Last Answer : (A) Molybdenum

Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum(B) Chromium(C) Vanadium(D) Silicon

Description : Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum (B) Chromium (C) Vanadium (D) Silicon

Last Answer : Option D

Wilson’s disease is a condition of toxicosis of (A) Iron (B) Copper (C) Chromium (D) Molybdenum

Description : Wilson’s disease is a condition of toxicosis of (A) Iron (B) Copper (C) Chromium (D) Molybdenum

Last Answer : Answer : B

Metallic constituent of “Glucose tolerance factor” is (A) Sulphur (B) Cobalt (C) Chromium (D) Selenium

Description : Metallic constituent of “Glucose tolerance factor” is (A) Sulphur (B) Cobalt (C) Chromium (D) Selenium

Last Answer : Answer : C

Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten

Description : Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten

Last Answer : (B) Nickel and chromium

__________ can replace tungsten in high speed steel, (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum

Description : __________ can replace tungsten in high speed steel, (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum

Last Answer : (D) Molybdenum

Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium

Description : Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium

Last Answer : (C) Tungsten

Chromel (Nichrome) is an alloy of (A) Chromium and molybdenum (B) Nickel and chromium (C) Molybdenum and nickel (D) Chromium and aluminium

Description : Chromel (Nichrome) is an alloy of (A) Chromium and molybdenum (B) Nickel and chromium (C) Molybdenum and nickel (D) Chromium and aluminium

Last Answer : (B) Nickel and chromium

Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? (A) Silicon steel (B) Chromium steel (C) Molybdenum steel (D) None of these

Description : Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? (A) Silicon steel (B) Chromium steel (C) Molybdenum steel (D) None of these

Last Answer : (A) Silicon steel

18/8 stainless steel means, that it contains (A) 18% chromium and 8% nickel (B) 18% chromium and 8% molybdenum (C) 18% nickel and 8% chromium (D) 18% molybdenum and 8% chromium

Description : 18/8 stainless steel means, that it contains (A) 18% chromium and 8% nickel (B) 18% chromium and 8% molybdenum (C) 18% nickel and 8% chromium (D) 18% molybdenum and 8% chromium

Last Answer : (A) 18% chromium and 8% nickel

Which of the following has no effect on the carbide forming tendency insteels?(A) Molybdenum(B) Phosphorus(C) Chromium(D) Vanadium

Description : Which of the following has no effect on the carbide forming tendency insteels? (A) Molybdenum (B) Phosphorus (C) Chromium (D) Vanadium

Last Answer : (B) Phosphorus

Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Description : Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Last Answer : (A) Tin

__________ can replace tungsten in high speed steel. (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum

Description : __________ can replace tungsten in high speed steel. (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum

Last Answer : (C) Cobalt

Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium

Description : Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium

Last Answer : (A) Molybdenum

All of the following alloying elements of steel increases hardness but sacrifice ductility, except (A) Nickel (B) Vanadium (C) Molybdenum (D) Chromium

Description : All of the following alloying elements of steel increases hardness but sacrifice ductility, except (A) Nickel (B) Vanadium (C) Molybdenum (D) Chromium

Last Answer : (A) Nickel

Chromium molybdenum steel cannot be welded using __________ welding. (A) Thermit (B) Electrical resistance (C) Oxy-acetylene (D) Any of these

Description : Chromium molybdenum steel cannot be welded using __________ welding. (A) Thermit (B) Electrical resistance (C) Oxy-acetylene (D) Any of these

Last Answer : Option B

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are (A) Cobalt, chromium & tungsten (B) Cobalt, chromium & nickel (C) Molybdenum, tungsten & chromium (D) Cobalt, zirconium & molybdenum

Description : Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are (A) Cobalt, chromium & tungsten (B) Cobalt, chromium & nickel (C) Molybdenum, tungsten & chromium (D) Cobalt, zirconium & molybdenum

Last Answer : : Option A

Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are: (A) Nickel, cobalt & chromium (B) Tungsten, chromium & cobalt (C) Manganese, chromium & cobalt (D) Tungsten, molybdenum & nickel

Description : Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are: (A) Nickel, cobalt & chromium (B) Tungsten, chromium & cobalt (C) Manganese, chromium & cobalt (D) Tungsten, molybdenum & nickel

Last Answer : Option B

Entire cell is enclosed by a steel casing that is protected usually by _____ and _____. • Nickel, chromium • Chromium, molybdenum • Aluminium, molybdenum • Nickel, aluminium

Description : Entire cell is enclosed by a steel casing that is protected usually by _____ and _____. • Nickel, chromium • Chromium, molybdenum • Aluminium, molybdenum • Nickel, aluminium

Last Answer : • Chromium, molybdenum

Explain the effect of nickel, chromium, silicon, molybdenum addition on the properties of steel.

Description : Explain the effect of nickel, chromium, silicon, molybdenum addition on the properties of steel.

Last Answer : 1) Effect of Nickel as alloying Element: i) Provides toughness, corrosion resistance, and deep hardening. ii) Increases resistance to impact iii ) Improves tensile strength 2. Effect ... temper brittleness. iv) increases strength. V0 Mo-carbides help increase creepresistance at elevated temps

State the effects of chromium and molybdenum on the properties of steel.

Description : State the effects of chromium and molybdenum on the properties of steel.

Last Answer : 1) Chromium: i) It improves Ductility ii) It is added in different proportions upto 18 % iii) Below 1.5 % addition increases Tensile Strength iv) 12 % addition gives high ... iii) It improves Thermal Resistance iv) It gives ability to maintain Mechanical Properties at Elevated Temperatures

The element needed in quantities greater than 100 mg for human beings is (A) Calcium (B) Zinc (C) Selenium (D) Cobalt

Description : The element needed in quantities greater than 100 mg for human beings is (A) Calcium (B) Zinc (C) Selenium (D) Cobalt

Last Answer : Answer : A

Which of the following statements regarding Vitamin A is true? (A) It is not an essential Vitamin (B) It is related to tocopherol (C) It is a component of rhodopsin (D) It is also known as Opsin

Description : Which of the following statements regarding Vitamin A is true? (A) It is not an essential Vitamin (B) It is related to tocopherol (C) It is a component of rhodopsin (D) It is also known as Opsin

Last Answer : Answer : C

Dicoumarol is antagonist to (A) Riboflavin (B) Retinol (C) Menadione (D) Tocopherol

Description : Dicoumarol is antagonist to (A) Riboflavin (B) Retinol (C) Menadione (D) Tocopherol

Last Answer : Answer : C

Unpleasant odours and taste in a fat (rancidity) can be delayed or prevented by the addition of (A) Lead (B) Copper (C) Tocopherol (D) Ergosterol

Description : Unpleasant odours and taste in a fat (rancidity) can be delayed or prevented by the addition of (A) Lead (B) Copper (C) Tocopherol (D) Ergosterol

Last Answer : Answer : C

The essential trace element which catalyzes the formation of Hb in the body is (A) Mn (B) Se (C) Mg (D) Cu

Description : The essential trace element which catalyzes the formation of Hb in the body is (A) Mn (B) Se (C) Mg (D) Cu

Last Answer : Answer : D

A trace element deficient in the milk is (A) Magnesium (B) Copper (C) Zinc (D) Chloride

Description : A trace element deficient in the milk is (A) Magnesium (B) Copper (C) Zinc (D) Chloride

Last Answer : Answer : A

Biological activity of tocopherols has been attributed in part to their action as (A) Antioxidant (B) Anticoagulents (C) Provitamin (D) Carriers in electron transport system

Description : Biological activity of tocopherols has been attributed in part to their action as (A) Antioxidant (B) Anticoagulents (C) Provitamin (D) Carriers in electron transport system

Last Answer : Answer : B

Which is a pro vitamin or vitamin that has antioxidant properties? (A) Beta carotene (B) Vitamin E (C) Vitamin C (D) Vitamin D

Description : Which is a pro vitamin or vitamin that has antioxidant properties? (A) Beta carotene (B) Vitamin E (C) Vitamin C (D) Vitamin D

Last Answer : Answer : B

Which of the vitamins is a potent antioxidant of Vitamin A? (A) Vitamin C (B) Vitamin E (C) Vitamin K (D) Vitamin D

Description : Which of the vitamins is a potent antioxidant of Vitamin A? (A) Vitamin C (B) Vitamin E (C) Vitamin K (D) Vitamin D

Last Answer : Answer : B

This Vitamin acts as antioxidant: (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Description : This Vitamin acts as antioxidant: (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Last Answer : Answer : C

This vitamin is a potent antioxidant of vitamin A: (A) Vitamin C (B) Vitamin E (C) Vitamin K (D) Vitamin D

Description : This vitamin is a potent antioxidant of vitamin A: (A) Vitamin C (B) Vitamin E (C) Vitamin K (D) Vitamin D

Last Answer : Answer : B

This vitamin acts as antioxidant. (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Description : This vitamin acts as antioxidant. (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Last Answer : Answer : B

The most important natural antioxidant is (A) Vitamin D (B) Vitamin E (C) Vitamin B12 (D) Vitamin K

Description : The most important natural antioxidant is (A) Vitamin D (B) Vitamin E (C) Vitamin B12 (D) Vitamin K

Last Answer : Answer : B

An element playing important role in nitrogen fixation is (a) molybdenum (b) copper (c) manganese (d) zinc

Description : An element playing important role in nitrogen fixation is (a) molybdenum (b) copper (c) manganese (d) zinc

Last Answer : (a) Molybdenum

What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Description : What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Last Answer : ANSWER: W -- BROMINE

A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number of the element I am thinking about. It occupies the same column in the periodic table as selenium. Under standard conditions of temperature and pressure this element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8

Corporate executives who work in top notch companies and travel to their offices in early morning in their air conditioned cars with tinted glasses spending their entire day in their cabins are prone to suffer from the deficiency of: (a) calcitonin (b) cynacobalamin (c) tocopherol (d) cholecalciferol.

Description : Corporate executives who work in top notch companies and travel to their offices in early morning in their air conditioned cars with tinted glasses spending their entire day in their cabins are prone ... from the deficiency of: (a) calcitonin (b) cynacobalamin (c) tocopherol (d) cholecalciferol.

Last Answer : Ans:(b)

Fat soluble vitamins are – (1) Tocopherol, Niacin, Cyanocobalamin (2) Calciferol, Carotene, Tocopherol (3) Ascorbic acid, Calciferol, Riboflavin (4) Thiamine, Carotene, Biotin

Description : Fat soluble vitamins are – (1) Tocopherol, Niacin, Cyanocobalamin (2) Calciferol, Carotene, Tocopherol (3) Ascorbic acid, Calciferol, Riboflavin (4) Thiamine, Carotene, Biotin

Last Answer : (2) Calciferol, Carotene, Tocopherol Explanation: Calciferol (Vitamin D): Tocopherols and tocotrienols (Vitamin E); Phylloquinone, menaquinones (Vitamin K); and Retinol, retinal, and four carotenoids including beta carotene (Vitamin Al are all fat soluble vitamins.

The vitamin most readily destroyed by heat is – (1) Riboflavin (2) Ascorbic acid (3) Tocopherol (4) Thiamine

Description : The vitamin most readily destroyed by heat is – (1) Riboflavin (2) Ascorbic acid (3) Tocopherol (4) Thiamine

Last Answer : (2) Ascorbic acid Explanation: Vitamin C (Ascorbic Acid) is the most easily destroyed vitamin. It is destroyed by oxygen, heat (above 70 degrees) and it leaks out into the cooking water because ... until we need them. Steaming and stir-frying are two methods that help conserve vitamin C content.

What is the chemical name of vitamin E? (1) Calciferol (2) Tocopherol (3) Riboflavin (4) Phylloquinone

Description : What is the chemical name of vitamin E? (1) Calciferol (2) Tocopherol (3) Riboflavin (4) Phylloquinone

Last Answer : (2) Tocopherol Explanation: Of the many different forms of vitamin E, gamma-tocopherol (γ-tocopherol) is the most common form found in the North American diet, but alpha-tocopherol (αtocopherol) is the most biologically active.

What is the chemical name of vitamin E? (1) Calciferol (2) Tocopherol (3) Riboflavin (4) Phylloquinone

Description : What is the chemical name of vitamin E? (1) Calciferol (2) Tocopherol (3) Riboflavin (4) Phylloquinone

Last Answer : (2) Tocopherol Explanation: Of the many different forms of vitamin E, gamma-tocopherol (γ-tocopherol) is the most common form found in the North American diet, but alpha-tocopherol (αtocopherol) is the most biologically active.

Tocopherol is the chemical name of which vitamin? A. vitamin C B. vitamin D C. vitamin A D. vitamin E (Answer)

Description : Tocopherol is the chemical name of which vitamin? A. vitamin C B. vitamin D C. vitamin A D. vitamin E (Answer)

Last Answer : D. vitamin E (Answer)

Which of the following is not a water soluble vitamin? A. Tocopherol (Answer) B. Pyridoxine C. Pantothenic acid D. Niacin

Description : Which of the following is not a water soluble vitamin? A. Tocopherol (Answer) B. Pyridoxine C. Pantothenic acid D. Niacin

Last Answer : A. Tocopherol (Answer)

Pellagra disease is caused by the deficiency of (a) niacin (b) tocopherol (c) riboflavin (d) folic acid

Description : Pellagra disease is caused by the deficiency of (a) niacin (b) tocopherol (c) riboflavin (d) folic acid

Last Answer : (a) niacin

Which one of the following is correctly matched? (a) Vitamin E - Tocopherol (b) Vitamin D - Riboflavin (c) Vitamin B - Calciferol (d) Vitamin A - Thiamine

Description : Which one of the following is correctly matched? (a) Vitamin E - Tocopherol (b) Vitamin D - Riboflavin (c) Vitamin B - Calciferol (d) Vitamin A - Thiamine

Last Answer : (a) Vitamin E - Tocopherol

Which of the following vitamin does not have coenzyme activity (a) Folic Acid (b) Riboflavin (c) Biotin (d) Tocopherol (Vitamin E)

Description : Which of the following vitamin does not have coenzyme activity (a) Folic Acid (b) Riboflavin (c) Biotin (d) Tocopherol (Vitamin E)

Last Answer : (d) Tocopherol (Vitamin E)

Tocopherol is the name of what vitamin?

Description : Tocopherol is the name of what vitamin?  

Last Answer : ANSWER: VITAMIN E