What is used in making of alloys? A. Lime-stone B. Chromium C. Granite D. Gypsum

What is used in making of alloys? A. Lime-stone B. Chromium C. Granite D. Gypsum
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ANSWER: B
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What is used in making of alloys? A. Gypsum B. Granite C. Chromium (Answer) D. Lime-stone

Description : What is used in making of alloys? A. Gypsum B. Granite C. Chromium (Answer) D. Lime-stone

Last Answer : C. Chromium (Answer)

Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Last Answer : ANSWER: B

Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Description : Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Last Answer : ANSWER: D

Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Last Answer : ANSWER: B

Minerals Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Description : Minerals Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Last Answer : ANSWER: D

Ordinary Portland cement is manufactured from (A) Lime stone and clay (B) Gypsum and lime (C) Pozzolana (D) Lime, pozzolana and clay

Description : Ordinary Portland cement is manufactured from (A) Lime stone and clay (B) Gypsum and lime (C) Pozzolana (D) Lime, pozzolana and clay

Last Answer : Answer: Option B

Plaster of Paris is obtained by calcining (A) Bauxite (B) Gypsum (C) Lime stone (D) None of these

Description : Plaster of Paris is obtained by calcining (A) Bauxite (B) Gypsum (C) Lime stone (D) None of these

Last Answer : Answer: Option B

Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Description : Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Last Answer : Answer: Option A

Slate is formed by metamorphic action on (A) Shale (B) Lime stone (C) Sand stone (D) Granite

Description : Slate is formed by metamorphic action on (A) Shale (B) Lime stone (C) Sand stone (D) Granite

Last Answer : Answer: Option A

Which of the following stone is best suited for construction of piers and abutments of a railway bridge? (A) Granite (B) Sand stone (C) Lime stone (D) Quartze

Description : Which of the following stone is best suited for construction of piers and abutments of a railway bridge? (A) Granite (B) Sand stone (C) Lime stone (D) Quartze

Last Answer : Answer: Option A

Which of the following has more fire resisting characteristics? (A) Marble (B) Lime stone (C) Compact sand stone (D) Granite

Description : Which of the following has more fire resisting characteristics? (A) Marble (B) Lime stone (C) Compact sand stone (D) Granite

Last Answer : Answer: Option C

Chromium obtained from chromite is used in making. A. Gypsum B. Pesticide C. Stainless Steel D. Fertilizer

Description : Chromium obtained from chromite is used in making. A. Gypsum B. Pesticide C. Stainless Steel D. Fertilizer

Last Answer : ANSWER: B

Chromium obtained from chromite is used in making. A. Gypsum B. Pesticide C. Stainless Steel D. Fertilizer

Description : Chromium obtained from chromite is used in making. A. Gypsum B. Pesticide C. Stainless Steel D. Fertilizer

Last Answer : ANSWER: B

Nickel (76%) and chromium (15%) alloys are termed as (A) Inconel (B) Monel (C) Aluminium bronzes (D) Brass

Description : Nickel (76%) and chromium (15%) alloys are termed as (A) Inconel (B) Monel (C) Aluminium bronzes (D) Brass

Last Answer : (A) Inconel

Most suitable material of construction for the storage of concentrated nitric acid is (A) Cast iron (B) Monel (C) Karbate (D) Aluminium or chromium alloys (Cr > 18% for cold acid)

Description : Most suitable material of construction for the storage of concentrated nitric acid is (A) Cast iron (B) Monel (C) Karbate (D) Aluminium or chromium alloys (Cr > 18% for cold acid)

Last Answer : (D) Aluminium or chromium alloys (Cr > 18% for cold acid)

Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Description : Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Last Answer : (D) Duralumin

__________ alloys have the highest specific strength of all the structural materials out of the following. (A) Magnetic steel (B) Titanium (C) Chromium (D) Magnesium

Description : __________ alloys have the highest specific strength of all the structural materials out of the following. (A) Magnetic steel (B) Titanium (C) Chromium (D) Magnesium

Last Answer : (B) Titanium

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

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite

Description : Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite

Last Answer : Answer: Option D

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica (A) Basalt and marble are the only metamorphic rocks (B) There is no sedimentary rock (C) Granite is the only igneous rock (D) Quartz and mica are minerals

Description : Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica (A) Basalt and marble are the only metamorphic rocks (B) There is no sedimentary rock (C) Granite is the only igneous rock (D) Quartz and mica are minerals

Last Answer : Answer: Option D

Which of the following can be used to correct acidic soil? (a) Gypsum (b) Lime (c) Vegetable compost (d) Calcium superphosphate

Description : Which of the following can be used to correct acidic soil? (a) Gypsum (b) Lime (c) Vegetable compost (d) Calcium superphosphate

Last Answer : Ans: (b)

Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine

Description : Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine

Last Answer : (4) Lime and Chlorine Explanation: The gas which is used in the preparation of bleaching powder is chlorine. It is a mixture of lime and calcium chloride.

Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.

For reclamation of alkaline soil — is used. a. Lime b. Calcium carbonate c. Gypsum d. None of these

Description : For reclamation of alkaline soil — is used. a. Lime b. Calcium carbonate c. Gypsum d. None of these

Last Answer : c. Gypsum

Pick out the wrong statement. (A) High early strength cement are made from materials having high silica to lime ratio (B) The function of gypsum in cement is to enhance its initial setting rate (C) Acid resistant cements are known as silicate cement (D) Major component of greyish Portland cement is tricalcium silicate

Description : Pick out the wrong statement. (A) High early strength cement are made from materials having high silica to lime ratio (B) The function of gypsum in cement is to enhance its initial ... cements are known as silicate cement (D) Major component of greyish Portland cement is tricalcium silicate

Last Answer : (A) High early strength cement are made from materials having high silica to lime ratio

Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Description : Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Last Answer : (A) Plaster of Paris

Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum

Description : Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum

Last Answer : (B) Slaked lime

Which one of the following is an air binding material? (A) Gypsum (B) Acid-resistant cement (C) Quick lime (D) All of these

Description : Which one of the following is an air binding material? (A) Gypsum (B) Acid-resistant cement (C) Quick lime (D) All of these

Last Answer : Answer: Option D

Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Description : Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Last Answer : Answer: Option A

Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : Slaked lime

Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite

Description : Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite

Last Answer : Answer: Option D

Granite stone, used in construction work is a –

Description : Granite stone, used in construction work is a –

Last Answer : Igneous Rock

Granite stone, used in construction work is a - —

Description : Granite stone, used in construction work is a - —

Last Answer : Igneous Rock

The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above

Description : The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above

Last Answer : (D) All the above

The stone whose crushing strength is least, is (A) Granite (B) Chalk (C) Marble (D) Slate

Description : The stone whose crushing strength is least, is (A) Granite (B) Chalk (C) Marble (D) Slate

Last Answer : Answer: Option B

The stone whose crushing strength is maximum, is (A) Granite (B) Chalk (C) Slate (D) Sand stone

Description : The stone whose crushing strength is maximum, is (A) Granite (B) Chalk (C) Slate (D) Sand stone

Last Answer : Answer: Option A

Which one of the following rocks is used for monumental buildings? (A) Granite (B) Marble (C) Sand stone (D) Slate

Description : Which one of the following rocks is used for monumental buildings? (A) Granite (B) Marble (C) Sand stone (D) Slate

Last Answer : Answer: Option B

Which of the following stone is best suited for construction of piers and abutments of Railway Bridge a) Granite* b) Sandstone c) Limestone d) Quartzite

Description : Which of the following stone is best suited for construction of piers and abutments of Railway Bridge a) Granite* b) Sandstone c) Limestone d) Quartzite

Last Answer : a) Granite*

Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Description : Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Last Answer : d) Basalt or trap granite*

Which alloys is used for making magnets?

Description : Which alloys is used for making magnets?

Last Answer : Alnico

The largest consumption of zinc for alloys is in the making of (A) Bearing metal (B) Brasses (C) Brazing solder

Description : The largest consumption of zinc for alloys is in the making of (A) Bearing metal (B) Brasses (C) Brazing solder

Last Answer : (B) Brasses

Babbitt metals used for making bearings are (A) Tin or lead based alloys (B) Short of antifrictional properties (C) Having homogenous microstructure (D) Yellow metals

Description : Babbitt metals used for making bearings are (A) Tin or lead based alloys (B) Short of antifrictional properties (C) Having homogenous microstructure (D) Yellow metals

Last Answer : (A) Tin or lead based alloys

Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms

Description : Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms

Last Answer : (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature

Non-ferrous alloys used for making cutting tools need not have high (A) Abrasion resistance (B) Toughness (C) Red hardness (D) Cutting speed

Description : Non-ferrous alloys used for making cutting tools need not have high (A) Abrasion resistance (B) Toughness (C) Red hardness (D) Cutting speed

Last Answer : (C) Red hardness

State the purpose of making alloys, with example of each.

Description : State the purpose of making alloys, with example of each. 

Last Answer : The purposes of making an alloy with example:  1. Improve hardness of metal e.g. Pure gold & silver are soft. Hence they are hardened by the addition of a small amount of copper in them.  ... but when it is alloyed with mercury to form an alloy called sodium- amalgam , it becomes less reactive. 

Which plain formed due to the weathering of lime stone? -Do You Know?

Description : Which plain formed due to the weathering of lime stone? -Do You Know?

Last Answer : answer: