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Tin and Lead



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Q1. Tin-base alloys are replaced by aluminum-base alloys due to _______

(a) High cost
(b) Low strength
(c) Corrosion
(d) Low availability

Q2. Which of the following is an application of leaded bronze?

(a) Washing machine
(b) Extractor fan
(c) Vacuum cleaner
(d) Aero engine

Q3. Plain tin bronze contains _____ of copper.

(a) 85%
(b) 88%
(c) 75%
(d) 90%

Q4. Which type of bearing bronze is the weakest?

(a) Plain tin bronze
(b) Phosphorus bronze
(c) Leaded bronze
(d) Sintered bronze

Q5. ________ types of bearing alloys contain powdered copper and tin.

(a) Plain tin bronze
(b) Phosphorus bronze
(c) Leaded bronze
(d) Sintered bronze

Q6. How much antimony does a lead-base alloy contain?

(a) 13%
(b) 12%
(c) 74%
(d) 0.75%

Q7. How much tin is contained in a Babbit metal?

(a) 10%
(b) 82%
(c) 4%
(d) 13%

Q8. Babbit metals are also known as _______

(a) Tin-base alloys
(b) Lead-base alloys
(c) Copper-base alloys
(d) Aluminum-base alloys

Q9. Tin-based or lead-based alloys are types of ______

(a) White metals
(b) Copper base alloys
(c) Aluminum base alloys
(d) Ceramics

Q10. White bearing metals contain ______ of antimony.

(a) 10%
(b) 25%
(c) 50%
(d) 75%


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Four Successive Members Of The First Row Transition Elements Are Listed Below With Their Atomic Numbers. Which One Of Them Is Expected To Have The Highest Third Ionization Enthalpy

Modified 238 Year Ago

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238 Year Ago

Four Successive Members Of The First Row Transition Elements Are Listed Below With Their Atomic Numbers. Which One Of Them Is Expected To Have The Highest Third Ionization Enthalpy

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305 views

Highest (+7) Oxidation State Is Shown By

Modified 240 Year Ago

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240 Year Ago

Highest (+7) Oxidation State Is Shown By

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279 views

The Outer Electron Configuration Of Gd (At. No. 64) Is

Modified 309 Year Ago

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309 Year Ago

The Outer Electron Configuration Of Gd (At. No. 64) Is

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0 Answer
269 views

A Metal Gets Coated With A Green Basic Carbonate When Exposed At Atmosphere. Metal Is

Modified 4 Year Ago

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4 Year Ago

A Metal Gets Coated With A Green Basic Carbonate When Exposed At Atmosphere. Metal Is

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245 views

A Transition Element X Has A Configuration [Ar]3d4 In Its + 3 Oxidation State. Its Atomic Number Is

Modified 238 Year Ago

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238 Year Ago

A Transition Element X Has A Configuration [Ar]3d4 In Its + 3 Oxidation State. Its Atomic Number Is

0 votes
0 Answer
241 views

The General Electronic Configuration Of Transition Elements Is

Modified 240 Year Ago

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240 Year Ago

The General Electronic Configuration Of Transition Elements Is

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