*/*_A measure of toughness of a material is its?

Area under stress-strain diagram

*/*_Molybdenum steels containing 0.15 to 0.40% molybdenum?

Have very poor fatigue resistance

Are prone to temper brittleness

Are used for automobile parts like gears, axle, shaft, bearings etc

Have very poor fatigue resistance

Do not contain nickel or chromium or both

*/*_Ceramic materials?

Are exemplified by clay and mica

Are poor electrical conductors due to lack of free electrons

Highly resistant to corrosion (as much as stainless steel)

A low carbon steel (0.05 to 0.3% carbon)

Highly resistant to corrosion (as much as stainless steel)

A high carbon steel (0.5 to 1.5% carbon)

Very poor in strength & ductility

Is the hardest metal in common use

Is the lightest metal in common use

Can not be scratched by finger nails

*/*_Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the?

Ultimate tensile strength (U.T.S.)

*/*_Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of?

Stainless steel or glass lined steel

Acid resistant, brittle and very hard

Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion

*/*_H‚Äö√á√áSO‚Äö√á√ë (< 50% concentration) is corrosive to?

Copper, cast iron & high silicon iron (14% Si)

Aluminium, mild steel, stainless steel, concrete & tin

Copper, cast iron & high silicon iron (14% Si)

Rubber (butyl and hard), silicone rubber & teflon

Glass, graphite, porcelain & stoneware

1037 + Mcqs in Materials And Construction in Chemical Engineering Page 5 McqOptions

201.	/_Materials having __________ lattice structure are usually most ductile.?
A.	F.c.c.
B.	B.c.c.
C.	H.c.p.
D.	Cubic
Answer» B. B.c.c.

Discussion

202.	/_A measure of toughness of a material is its?
A.	Percentage elongation
B.	Yield strength
C.	Ultimate strength
D.	Area under stress-strain diagram
Answer» C. Ultimate strength

Discussion

203.	/_Molybdenum steels containing 0.15 to 0.40% molybdenum?
A.	Are prone to temper brittleness
B.	Are used for automobile parts like gears, axle, shaft, bearings etc
C.	Have very poor fatigue resistance
D.	Do not contain nickel or chromium or both
Answer» C. Have very poor fatigue resistance

Discussion

204.	/_Carbon is present in the combined form (carbide) in case of?
A.	Pig iron
B.	Steel
C.	Ferroalloys
D.	All of the above
Answer» E.

Discussion

205.	/_Cast iron is a __________ material.?
A.	Brittle
B.	Ductile
C.	Tough
D.	Malleable
Answer» B. Ductile

Discussion

206.	/_Maximum consumption of zinc is in?
A.	Alloying
B.	Galvanising
C.	Utensil manufacture
D.	Electrical industry
Answer» C. Utensil manufacture

Discussion

207.	/_Purity of electrical grade aluminium should be ‚Äö√¢‚Ä¢ __________ percent.?
A.	95
B.	99.5
C.	85
D.	90
Answer» C. 85

Discussion

208.	/_Dry chlorine can be handled in a vessel made of?
A.	Iron or steel
B.	PVC
C.	Ickel
D.	Brass
Answer» B. PVC

Discussion

209.	/_Ceramic materials?
A.	Are exemplified by clay and mica
B.	Are poor electrical conductors due to lack of free electrons
C.	Never exhibit polymorphism
D.	All of the above
Answer» E.

Discussion

210.	/_Ability of a material to __________ is indicated by its damping capacity.?
A.	Withstand compression
B.	Absorb vibration
C.	Absorb shock
D.	None of these
Answer» C. Absorb shock

Discussion

211.	/_Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making?
A.	Nuts
B.	Bolts
C.	Chiesels
D.	Studs
Answer» D. Studs

Discussion

212.	/_Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with?
A.	Acidic refractory
B.	Rubber
C.	Karbate
D.	Lead or acid-proof bricks
Answer» E.

Discussion

213.	/_The formation of oxide film on a metal due to atmospheric exposure reduces its?
A.	Toughness
B.	Stiffness
C.	Creep limit
D.	All of the above
Answer» D. All of the above

Discussion

214.	/_Mild steel is?
A.	A low carbon steel (0.05 to 0.3% carbon)
B.	Highly resistant to corrosion (as much as stainless steel)
C.	A high carbon steel (0.5 to 1.5% carbon)
D.	Very poor in strength & ductility
Answer» B. Highly resistant to corrosion (as much as stainless steel)

Discussion

215.	/_The fermentor used in the production of pencillin (by deep fermentation process) is made of?
A.	Glass
B.	Glass lined steel
C.	High silicon cast iron
D.	Procelain
Answer» C. High silicon cast iron

Discussion

216.	/___________ is used for examining the macro-structure of a material.?
A.	Metallurgical microscope
B.	Optical microscope
C.	X-rays
D.	Visual inspection by naked eye
Answer» E.

Discussion

217.	/_Which of the following is the easiest to bend??
A.	Steel
B.	Stainless steel
C.	Cast iron
D.	Wrought iron
Answer» E.

Discussion

218.	/_Lead?
A.	Is the hardest metal in common use
B.	Is the lightest metal in common use
C.	Can not be scratched by finger nails
D.	Can not be work hardened
Answer» E.

Discussion

219.	/_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
Answer» C. Turbine blades

Discussion

220.	/_The electrical conductivity of a __________ decreases with rise in temperature.?
A.	Metal/alloy
B.	Semi-conductor
C.	Dielectric
D.	None of these
Answer» B. Semi-conductor

Discussion

221.	/_Coke oven regenerators are made of __________ bricks.?
A.	Fire clay
B.	Silica
C.	Low thermal conductivity
D.	High electrical conductivity
Answer» B. Silica

Discussion

222.	/_The preferred material of construction for storage tanks for 98% sulphuric acid is?
A.	Aluminium
B.	Lead
C.	Stainless steel 316
D.	Mild steel
Answer» C. Stainless steel 316

Discussion

223.	/_18/8 steel is a/an __________ stainless steel.?
A.	Austenitic
B.	Ferritic
C.	Martensitic
D.	None of these
Answer» B. Ferritic

Discussion

224.	/_Which of the following is not an alloy of nickel and chromium??
A.	Inconel
B.	Hastealloy
C.	Nimonic alloys
D.	Duralumin
Answer» E.

Discussion

225.	/_Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the?
A.	Ultimate tensile strength (U.T.S.)
B.	Endurance limit
C.	Elastic limit
D.	None of these
Answer» C. Elastic limit

Discussion

226.	/_Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.?
A.	1.5-2
B.	3.5-4.5
C.	7-9
D.	12-14
Answer» E.

Discussion

227.	/_The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.?
A.	Precipitation
B.	Fusion
C.	Sintering
D.	Agglomeration
Answer» D. Agglomeration

Discussion

228.	/_Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of?
A.	Stainless steel or glass lined steel
B.	Nickel clad steel
C.	High silicon cast iron
D.	Aluminium
Answer» B. Nickel clad steel

Discussion

229.	/_Duriron is?
A.	Acid resistant, brittle and very hard
B.	High silicon iron
C.	Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion
D.	All of the above
Answer» E.

Discussion

230.	/_Silicon percentage in acid resistant cast iron is about?
A.	4
B.	8
C.	14
D.	20
Answer» D. 20

Discussion

231.	/_'Age hardening' of duralumin is due to?
A.	Copper
B.	Magnesium
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

Discussion

232.	/_German silver used for decorative purposes contains maximum percentage of?
A.	Silver
B.	Copper
C.	Zinc
D.	Nickel
Answer» C. Zinc

Discussion

233.	/_In the kraft (sulphate) process for the paper manufacture, the digestor is made of?
A.	Cast iron
B.	Stainless steel
C.	Karbate carbon
D.	Wrought iron
Answer» C. Karbate carbon

Discussion

234.	/_Biological shield in a nuclear power reactor is made of?
A.	Concrete
B.	Steel
C.	Cadmium
D.	Zircalloy
Answer» B. Steel

Discussion

235.	/_The most resistant material to alkaline corrosion is?
A.	Duriron
B.	Nickel
C.	Aluminium
D.	Karbate
Answer» C. Aluminium

Discussion

236.	/_Mercury is transported in metal containers made of?
A.	Aluminium
B.	Iron
C.	Lead
D.	Nickel
Answer» C. Lead

Discussion

237.	/_Carbon is present in the uncombined (graphitic) form in case of?
A.	Cast iron
B.	Steel
C.	Ferroalloy
D.	None of these
Answer» B. Steel

Discussion

238.	/_The purpose of nitriding the steel is to?
A.	Harden its surface
B.	Soften its surface
C.	Improve its reliability
D.	None of these
Answer» B. Soften its surface

Discussion

239.	/_Cast irons are generally specified by their?
A.	Carbon content
B.	Tensile strength
C.	Hardness
D.	Manufacturing proces
Answer» C. Hardness

Discussion

240.	/_H‚Äö√á√áSO‚Äö√á√ë (< 50% concentration) is corrosive to?
A.	Aluminium, mild steel, stainless steel, concrete & tin
B.	Copper, cast iron & high silicon iron (14% Si)
C.	Rubber (butyl and hard), silicone rubber & teflon
D.	Glass, graphite, porcelain & stoneware
Answer» B. Copper, cast iron & high silicon iron (14% Si)

Discussion

241.	/_Which of the following crystal structures characterises the ferritic stainless steel??
A.	Face centred cubic
B.	Body centred cubic
C.	Simple hexagonal
D.	None of these
Answer» C. Simple hexagonal

Discussion

242.	/_A material no longer behaves elastically beyond?
A.	Plastic limit
B.	Limiting load
C.	Elastic limit
D.	Breaking load
Answer» D. Breaking load

Discussion

243.	/_Graphite is a good?
A.	Thermal & electrical insulator
B.	Conductor of heat
C.	Conductor of electricity
D.	Both B & C
Answer» E.

Discussion

244.	/_Which is the purest form of iron??
A.	Wrought iron
B.	Pig iron
C.	Bessemer iron
D.	Grey iron
Answer» B. Pig iron

Discussion

245.	/_Hardened steel is softened by?
A.	Normalising
B.	Tempering
C.	Annealing
D.	Carburising
Answer» C. Annealing

Discussion

246.	/_Which of the following pairs of elements may form an alloy??
A.	Iron & carbon
B.	Iron & mercury
C.	Platinum & mercury
D.	None of these
Answer» B. Iron & mercury

Discussion

247.	/_Presence of nickel in steel improves its?
A.	Corrosion resistance
B.	Cutting ability
C.	Wear resistance
D.	All of the above
Answer» B. Cutting ability

Discussion

248.	/_Which of the following is not a non-ferrous alloy??
A.	Meehanite
B.	Magnalium
C.	Gun metal
D.	Muntz metal
Answer» B. Magnalium

Discussion

249.	/___________ iron is produced, when molten pig iron is allowed to cool gradually.?
A.	White cast
B.	Grey cast
C.	Wrought
D.	None of these
Answer» C. Wrought

Discussion

250.	/_Acetaldehyde is shipped in __________ drums.?
A.	Cast iron
B.	Steel
C.	Aluminium
D.	Either B & C
Answer» E.

Discussion

Explore topic-wise MCQs in Chemical Engineering.

*/*_Materials having __________ lattice structure are usually most ductile.?

*/*_A measure of toughness of a material is its?

*/*_Molybdenum steels containing 0.15 to 0.40% molybdenum?

*/*_Carbon is present in the combined form (carbide) in case of?

*/*_Cast iron is a __________ material.?

*/*_Maximum consumption of zinc is in?

*/*_Purity of electrical grade aluminium should be ‚Äö√¢‚Ä¢ __________ percent.?

*/*_Dry chlorine can be handled in a vessel made of?

*/*_Ceramic materials?

*/*_Ability of a material to __________ is indicated by its damping capacity.?

*/*_Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making?

*/*_Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with?

*/*_The formation of oxide film on a metal due to atmospheric exposure reduces its?

*/*_Mild steel is?

*/*_The fermentor used in the production of pencillin (by deep fermentation process) is made of?

*/*___________ is used for examining the macro-structure of a material.?

*/*_Which of the following is the easiest to bend??

*/*_Lead?

*/*_Addition of 2% nickel in steel makes it suitable for making?

*/*_The electrical conductivity of a __________ decreases with rise in temperature.?

*/*_Coke oven regenerators are made of __________ bricks.?

*/*_The preferred material of construction for storage tanks for 98% sulphuric acid is?

*/*_18/8 steel is a/an __________ stainless steel.?

*/*_Which of the following is not an alloy of nickel and chromium??

*/*_Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the?

*/*_Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.?

*/*_The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.?

*/*_Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of?

*/*_Duriron is?

*/*_Silicon percentage in acid resistant cast iron is about?

*/*_'Age hardening' of duralumin is due to?

*/*_German silver used for decorative purposes contains maximum percentage of?

*/*_In the kraft (sulphate) process for the paper manufacture, the digestor is made of?

*/*_Biological shield in a nuclear power reactor is made of?

*/*_The most resistant material to alkaline corrosion is?

*/*_Mercury is transported in metal containers made of?

*/*_Carbon is present in the uncombined (graphitic) form in case of?

*/*_The purpose of nitriding the steel is to?

*/*_Cast irons are generally specified by their?

*/*_H‚Äö√á√áSO‚Äö√á√ë (< 50% concentration) is corrosive to?

*/*_Which of the following crystal structures characterises the ferritic stainless steel??

*/*_A material no longer behaves elastically beyond?

*/*_Graphite is a good?

*/*_Which is the purest form of iron??

*/*_Hardened steel is softened by?

*/*_Which of the following pairs of elements may form an alloy??

*/*_Presence of nickel in steel improves its?

*/*_Which of the following is not a non-ferrous alloy??

*/*___________ iron is produced, when molten pig iron is allowed to cool gradually.?

*/*_Acetaldehyde is shipped in __________ drums.?

/_Materials having __________ lattice structure are usually most ductile.?

/_A measure of toughness of a material is its?

/_Molybdenum steels containing 0.15 to 0.40% molybdenum?

/_Carbon is present in the combined form (carbide) in case of?

/_Cast iron is a __________ material.?

/_Maximum consumption of zinc is in?

/_Purity of electrical grade aluminium should be ‚Äö√¢‚Ä¢ __________ percent.?

/_Dry chlorine can be handled in a vessel made of?

/_Ceramic materials?

/_Ability of a material to __________ is indicated by its damping capacity.?

/_Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making?

/_Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with?

/_The formation of oxide film on a metal due to atmospheric exposure reduces its?

/_Mild steel is?

/_The fermentor used in the production of pencillin (by deep fermentation process) is made of?

/___________ is used for examining the macro-structure of a material.?

/_Which of the following is the easiest to bend??

/_Lead?

/_Addition of 2% nickel in steel makes it suitable for making?

/_The electrical conductivity of a __________ decreases with rise in temperature.?

/_Coke oven regenerators are made of __________ bricks.?

/_The preferred material of construction for storage tanks for 98% sulphuric acid is?

/_18/8 steel is a/an __________ stainless steel.?

/_Which of the following is not an alloy of nickel and chromium??

/_Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the?

/_Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.?

/_The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.?

/_Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of?

/_Duriron is?

/_Silicon percentage in acid resistant cast iron is about?

/_'Age hardening' of duralumin is due to?

/_German silver used for decorative purposes contains maximum percentage of?

/_In the kraft (sulphate) process for the paper manufacture, the digestor is made of?

/_Biological shield in a nuclear power reactor is made of?

/_The most resistant material to alkaline corrosion is?

/_Mercury is transported in metal containers made of?

/_Carbon is present in the uncombined (graphitic) form in case of?

/_The purpose of nitriding the steel is to?

/_Cast irons are generally specified by their?

/_H‚Äö√á√áSO‚Äö√á√ë (< 50% concentration) is corrosive to?

/_Which of the following crystal structures characterises the ferritic stainless steel??

/_A material no longer behaves elastically beyond?

/_Graphite is a good?

/_Which is the purest form of iron??

/_Hardened steel is softened by?

/_Which of the following pairs of elements may form an alloy??

/_Presence of nickel in steel improves its?

/_Which of the following is not a non-ferrous alloy??

/___________ iron is produced, when molten pig iron is allowed to cool gradually.?

/_Acetaldehyde is shipped in __________ drums.?