Steel contains (1) 0.1 – 2% carbon (2) 5 – 10% carbon (3) more than 10% carbon (4) no carbon

Steel contains (1) 0.1 – 2% carbon (2) 5 – 10% carbon (3) more than 10% carbon (4) no carbon
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 0.1 – 2% carbon
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Steel contains – (1) 0.1 - 2% carbon (2) 5 - 10% carbon (3) more than 10% carbon (4) no carbon

Description : Steel contains – (1) 0.1 - 2% carbon (2) 5 - 10% carbon (3) more than 10% carbon (4) no carbon

Last Answer : (1) 0.1 - 2% carbon Explanation: Steel is an alloy made by combining iron and other elements, the most common of these being carbon. When carbon is used, its content in the steel is ... act as a hardening agent, preventing dislocations in the iron atom crystal lattice from sliding past one another.

When supplying emergency lighting loads, the storage battery initial voltage must not exceed the standard system voltage by more than _____________. A. 2% B. 3% C. 5% D. 10%

Description : When supplying emergency lighting loads, the storage battery initial voltage must not exceed the standard system voltage by more than _____________. A. 2% B. 3% C. 5% D. 10%

Last Answer : Answer: C

Iron alloyed with carbon upto 2% is called (A) Pig iron (B) Wrought iron (C) High carbon steel (D) None of these

Description : Iron alloyed with carbon upto 2% is called (A) Pig iron (B) Wrought iron (C) High carbon steel (D) None of these

Last Answer : (D) None of these

Vulcanized rubber contains sulphur – (1) 2% (2) 3-5% (3) 7-9% (4) I 0- 5%

Description : Vulcanized rubber contains sulphur – (1) 2% (2) 3-5% (3) 7-9% (4) I 0- 5%

Last Answer : (2) 3-5% Explanation: A vulcanized flexible tyre rubber contains about 3 -5% of sulphur whereas hard rubber (ebonite) contains about 32% of sulphur. The stiffness of vulcanized rubber depends on the amount of sulphur added.

An product is sold at a loss of 10%. Had it been sold for Rs. 9 more, there would have been a gain of 12 1/2% on it. The cost price of the product is

Description : An product is sold at a loss of 10%. Had it been sold for Rs. 9 more, there would have been a gain of 12 1/2% on it. The cost price of the product is

Last Answer : Let the cost price of the product = Rs. x S.P. at 10% loss = x×90/100= Rs. 9x/10 S.P. at 12 1/2 % gain x × (100+12 1/2)/100 = Rs. 225x/200 9x/10 + 9 = 225x/200 180x + 1800 = 225x x = Rs. 40

Nandu purchased a mobile phone and got a discount of 5% from dealer. he sold that mobile phone at a profit of 10% on his purchase price. What is the percentage profit on actual price of the mobile phone? 1. 2% 2. 3% 3. 4% 4. 4.5 %

Description : Nandu purchased a mobile phone and got a discount of 5% from dealer. he sold that mobile phone at a profit of 10% on his purchase price. What is the percentage profit on actual price of the mobile phone? 1. 2% 2. 3% 3. 4% 4. 4.5 %

Last Answer : 4. 4.5 %

Energy transfer from one traphic level to other in a food chain is (a) 10% (b) 20% (c) 1% (d) 2%

Description : Energy transfer from one traphic level to other in a food chain is (a) 10% (b) 20% (c) 1% (d) 2%

Last Answer : Ans. ((a))

Energy transfer from one trophic level to other, in a food chain, is (a) 10% (b) 20% (c) 1% (d) 2%

Description : Energy transfer from one trophic level to other, in a food chain, is (a) 10% (b) 20% (c) 1% (d) 2%

Last Answer : (a) 10%

Desirable "Micum Index" values of metallurgical coke are (A) M40 > 78% and M10 < 10% (B) M40 > 4% and M10 < 80% (C) M40 > 10% and M10 < 78% (D) M40 > 98% and M10 < 2%

Description : Desirable "Micum Index" values of metallurgical coke are (A) M40 > 78% and M10 < 10% (B) M40 > 4% and M10 < 80% (C) M40 > 10% and M10 < 78% (D) M40 > 98% and M10 < 2%

Last Answer : (A) M40 > 78% and M10 < 10%

Which of the following would require least amount of secondary air for combustion? (A) Coke breeze containing 25% ash and 2% volatile matter (B) Anthracite containing 10% volatile matter and 8% ash(C) Bituminous coal containing 20% ash and 25% volatile matter(D) Semi-bituminous coal containing 25% ash and 20% volatile matter

Description : Which of the following would require least amount of secondary air for combustion? (A) Coke breeze containing 25% ash and 2% volatile matter (B) Anthracite containing 10% volatile matter and 8% ash ... ash and 25% volatile matter (D) Semi-bituminous coal containing 25% ash and 20% volatile matter

Last Answer : (A) Coke breeze containing 25% ash and 2% volatile matter

A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Description : A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Last Answer : d. 2%

A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Description : A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Last Answer : d. 2%

What is your bond rate? The prime rate is 10%; your current bond rating slipped one category (from AAA to AA). a. 12.1% b. 10.5% c. 11.4% d. 11.2%

Description : What is your bond rate? The prime rate is 10%; your current bond rating slipped one category (from AAA to AA). a. 12.1% b. 10.5% c. 11.4% d. 11.2%

Last Answer : b. 10.5%

The concentration of Fluoride in the topical NaF A. 2% B. 5% C. 8% D. 10%

Description : The concentration of Fluoride in the topical NaF A. 2% B. 5% C. 8% D. 10%

Last Answer : B. 5%

Bronze is an alloy of copper, zinc , and tin having composition (A) 60% - 30% - 10% (B) 70% - 20% - 10% (C) 88% - 2% - 10% (D) 50% -30% - 20%

Description : Bronze is an alloy of copper, zinc , and tin having composition (A) 60% - 30% - 10% (B) 70% - 20% - 10% (C) 88% - 2% - 10% (D) 50% -30% - 20%

Last Answer : (C) 88% - 2% - 10%

The bulking of sand with 2% moisture content is about a) 5% b) 10% c) 15%* d) 20%

Description : The bulking of sand with 2% moisture content is about a) 5% b) 10% c) 15%* d) 20%

Last Answer : c) 15%*

Which of the following regulations is considered best? (a) 50% (b) 20% (c) 10% (d) 2%

Description : Which of the following regulations is considered best? (a) 50% (b) 20% (c) 10% (d) 2%

Last Answer : (d) 2%

Which of the following pairs regarding typical composition of hospital wastes is incorrect? (A) Plastic - 9-12% (B) Metals - 1-2% (C) Ceramic - 8-10% (D) Biodegradable - 35-40%

Description : Which of the following pairs regarding typical composition of hospital wastes is incorrect? (A) Plastic - 9-12% (B) Metals - 1-2% (C) Ceramic - 8-10% (D) Biodegradable - 35-40%

Last Answer : (A) Plastic - 9-12%

Dharan bought a donkey and a carriage for Rs.3000. He sold the donkey at a gain of 20% and the carriage at a loss of 10%, thereby gaining 2% on the whole. Find the cost of the donkey?

Description : Dharan bought a donkey and a carriage for Rs.3000. He sold the donkey at a gain of 20% and the carriage at a loss of 10%, thereby gaining 2% on the whole. Find the cost of the donkey? 

Last Answer : Let the cost price of the donkey be Rs ‘X’  Then cost price of the carriage = Rs(3000-X)  20% of X – 10% of (3000 – X) = 2% of 3000  X/5 – (3000-X)/10 = 60  2X – 3000 + X = 600  X = 1200  Hence cost price of the donkey = Rs.1200

Mild steel is an alloy with carbon content a)0.25%. b)5% c)10%. d)25%

Description : Mild steel is an alloy with carbon content a)0.25%. b)5% c)10%. d)25%

Last Answer : a)0.25%.

Hard steel contains – (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Description : Hard steel contains – (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Last Answer : (2) 0.5 to 1.5 per cent carbon Explanation: The term hardened steel is often used for a medium or high carbon steel that has been given the heat treatments of quenching followed by ... In contrast, the same steel composition in annealed state will be softer as required for forming and machining.

Hard steel contains (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Description : Hard steel contains (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Last Answer :  0.5 to 1.5 per cent carbon

Most common stainless steel type 316, which is highly resistant to corrosion contains (A) 16-13% Cr 10-14% Ni and 2-3% Mo (B) 20-22% Cr, and 8-10% Ni (C) 2-4% Cr, 22% NI and 2-4% Mo (D) None of these

Description : Most common stainless steel type 316, which is highly resistant to corrosion contains (A) 16-13% Cr 10-14% Ni and 2-3% Mo (B) 20-22% Cr, and 8-10% Ni (C) 2-4% Cr, 22% NI and 2-4% Mo (D) None of these

Last Answer : (A) 16-13% Cr 10-14% Ni and 2-3% Mo

Vulcanized rubber contains sulphur (1) 2% (2) 3-5% (3) 7-9% (4) 10-15%

Description : Vulcanized rubber contains sulphur (1) 2% (2) 3-5% (3) 7-9% (4) 10-15%

Last Answer : 3-5%

Stress strain curve of high tensile steel (A) Has a definite yield point (B) Does not show definite yield point but yield point is defined by 0.1% proof stress (C) Does not show definite yield point but yield point is defined by 0.2% proof stress (D) Does not show definite yield point but yield point is defined by 2% proof stress,

Description : Stress strain curve of high tensile steel (A) Has a definite yield point (B) Does not show definite yield point but yield point is defined by 0.1% proof stress (C) Does not show definite yield ... proof stress (D) Does not show definite yield point but yield point is defined by 2% proof stress,

Last Answer : Answer: Option C

High carbon steel contains more than __________ percent carbon. (A) 0.5 (B) 2.2 (C) 2.5 (D) 2.8

Description : High carbon steel contains more than __________ percent carbon. (A) 0.5 (B) 2.2 (C) 2.5 (D) 2.8

Last Answer : (A) 0.5

Maximum carbon content in welding is usually limited to a) 0.22% b) 0.8% c) 1.5% d) 2%

Description : Maximum carbon content in welding is usually limited to a) 0.22% b) 0.8% c) 1.5% d) 2%

Last Answer : a) 0.22%

Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is estimated at 30,000. d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Description : Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is ... . d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.

Last Answer : d) Chromosome Y has 231 genes

Which one of the following contains maximum percentage of carbon? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Description : Which one of the following contains maximum percentage of carbon? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Last Answer : (1) Cast iron Explanation: Cast Iron is a hard, brittle, nonmalleable iron-carbon alloy, cast into shape, containing 2 to 4.5 percent carbon. Steels contain less than 2% and usually less than 1% carbon, ... percent carbon. Wrought iron is an iron alloy with very low carbon (0.04 to 0.08%) content.

Which one of the following contains maximum percentage of carbon ? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Description : Which one of the following contains maximum percentage of carbon ? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Last Answer : Cast iron

Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these

Description : Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these

Last Answer : Answer: Option B

The steel mainly contains how much percentage of carbon a) 0.70 to 0.80% b) to 0.3 % c) 0.5 to 0.1 %

Description : The steel mainly contains how much percentage of carbon a) 0.70 to 0.80% b) to 0.3 % c) 0.5 to 0.1 %

Last Answer : 0.70 to 0.80%

Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making (A) Shafts (B) Flanges (C) Gears (D) Shear blades

Description : Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making (A) Shafts (B) Flanges (C) Gears (D) Shear blades

Last Answer : (B) Flanges

Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod

Description : Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod

Last Answer : (B) Boiler plates, rivets etc.

Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is (A) 0.4 (B) 0.5 (C) 0.6 (D) 0.7

Description : Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. ... from 1 kg fresh juice is (A) 0.4 (B) 0.5 (C) 0.6 (D) 0.7

Last Answer : (D) 0.7

Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

Description : Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

Last Answer : Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

Which of the following is false? (1) Most carbon compounds are poor conductors of electricity. (2) The force of attraction between carbon molecules is not very strong. (3) The atomic number of carbon is 6. (4) The earth’s crust has about 2% carbon in the form of minerals.

Description : Which of the following is false? (1) Most carbon compounds are poor conductors of electricity. (2) The force of attraction between carbon molecules is not very strong. (3) The atomic number of carbon is 6. (4) The earth’s crust has about 2% carbon in the form of minerals.

Last Answer : (4) The earth’s crust has about 2% carbon in the form of minerals.

Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Description : Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Last Answer : Ans:(b)

Which one contains the least percentage of carbon?(A) Wrought iron (B) High speed steel (C) Cast iron (D) Pig iron

Description : Which one contains the least percentage of carbon? (A) Wrought iron (B) High speed steel (C) Cast iron (D) Pig iron

Last Answer : (A) Wrought iron

Which of the following contains maximum percentage of carbon? (A) Boiler plate steel (B) Rail steel (C) Saws for cutting steel (D) Railway spring steel

Description : Which of the following contains maximum percentage of carbon? (A) Boiler plate steel (B) Rail steel (C) Saws for cutting steel (D) Railway spring steel

Last Answer : (C) Saws for cutting steel

An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Description : An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Last Answer : (B) 4.605

Payment of commission on PPF and SCSS is a) 1% and 0.5% d) 2% and .05% c) 0.5% and Nil d) No commission paid

Description : Payment of commission on PPF and SCSS is a) 1% and 0.5% d) 2% and .05% c) 0.5% and Nil d) No commission paid

Last Answer : d) No commission paid

Rebate is allowed on advance deposit of premium on RPLI for Qtly/Half year/year is a) 1%, 2%,3% b) 0.50%,1%,2% b) 0%, 1%,2% d) No rebate in RPLI

Description : Rebate is allowed on advance deposit of premium on RPLI for Qtly/Half year/year is a) 1%, 2%,3% b) 0.50%,1%,2% b) 0%, 1%,2% d) No rebate in RPLI

Last Answer : b) 0.50%,1%,2%

As compared to fresh river water, sea water contains oxygen A. 10% less B. 20% less C. 10% more D. 20% more

Description : As compared to fresh river water, sea water contains oxygen A. 10% less B. 20% less C. 10% more D. 20% more

Last Answer : ANS: B

Pick out the wrong statement. (A) Alloys are harder than their component elements (B) Presence of silicon in steel decreases its electrical resistance (C) Karbate is an acid resistant material of construction (D) Nichrome, a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C

Description : Pick out the wrong statement. (A) Alloys are harder than their component elements (B) Presence of silicon in steel decreases its electrical resistance (C) Karbate is an acid resistant material of construction ... , a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C

Last Answer : (B) Presence of silicon in steel decreases its electrical resistance

Maximum percentage of longitudinal steel in a column should be less than [ A ] 6% [ B ] 8% [ C ] 9% [ D ] 10%

Description : Maximum percentage of longitudinal steel in a column should be less than [ A ] 6% [ B ] 8% [ C ] 9% [ D ] 10%

Last Answer : [ B ] 8%

The maximum amount of chlorides and sulphates should not be more than [ A ] 0.15% and 4% by mass of cement respectively [ B ] 4% and 0.15% by mass of cement respectively [ C ] 0.30% and 2% by mass of cement respectively [ D ] 2% and 0.30% by mass of cement respectively

Description : The maximum amount of chlorides and sulphates should not be more than [ A ] 0.15% and 4% by mass of cement respectively [ B ] 4% and 0.15% by mass of cement respectively [ C ] 0.30% and 2% by mass of cement respectively [ D ] 2% and 0.30% by mass of cement respectively

Last Answer : [ A ] 0.15% and 4% by mass of cement respectively

The maximum amount of chlorides and sulphates should not be more than [ A ] 0.15% and 4% by mass of cement respectively [ B ] 4% and 0.15% by mass of cement respectively [ C ] 0.30% and 2% by mass of cement respectively [ D ] 2% and 0.30% by mass of cement respectively

Description : The maximum amount of chlorides and sulphates should not be more than [ A ] 0.15% and 4% by mass of cement respectively [ B ] 4% and 0.15% by mass of cement respectively [ C ] 0.30% and 2% by mass of cement respectively [ D ] 2% and 0.30% by mass of cement respectively

Last Answer : [ A ] 0.15% and 4% by mass of cement respectively

Which fruit beverage contains atleast 10% fruit juice and 10% soluble solids?

Description : Which fruit beverage contains atleast 10% fruit juice and 10% soluble solids?

Last Answer : Ans. Ready-To-Serve (RTS)

A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m￾xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits an azeotrope at 101.3 kPa (B) The composition of the mixture, in percent by volume is: o-xylene 30, p￾xylene 60. and m-xylene 10 (C) The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers

Description : A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m￾xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits ... : o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers

Last Answer : (A) The mixture exhibits an azeotrope at 101.3 kPa