An alloy of iron, chromium & carbon

Highly resistance to acid corrosion

Malleable & ductile; and hence is used for chain links, hooks & couplings

An alloy of iron, chromium & carbon

*$_Glass lined vessels are not used for handling/storing?

Dilute H‚Äö√á√áSO‚Äö√á√ë

*$_Most common stainless steel type 316, which is highly resistant to corrosion contains?

16-13% Cr 10-14% Ni and 2-3% Mo

*$_Thermosetting resins are those polymers, which?

Allow slip to occur between molecules

Do not increase in plasticity with rise in temperature

Allow slip to occur between molecules

*$_The presence of impurities in iron?

Does not affect its melting point

*$_Cast iron vessels are not suitable for the storage of?

H‚Äö√á√áSO‚Äö√á√ë (95%) at room temperature

H‚Äö√á√áSO‚Äö√á√ë (fuming)

*$_Diamagnetic materials are magnetised?

In a direction opposite to that of the applied field

Is the hardest metal in common use

Is the lightest metal in common use

Can not be scratched by finger nails

*/*_Water gas generator is made of?

High carbon steel-procelain lined

*/*_Maximum consumption of copper is in?

Industrial equipment manufacture

1037 + Mcqs in Materials And Construction in Chemical Engineering Page 4 McqOptions

151.	*$_Low carbon steels are those in which carbon percentage is around?
A.	0.1 to 0.35
B.	0.4 to 0.7
C.	0.8 to 1.5
D.	1.5 to 2
Answer» B. 0.4 to 0.7

Discussion

152.	*$_Wrought iron is?
A.	High carbon iron
B.	Highly resistance to acid corrosion
C.	Malleable & ductile; and hence is used for chain links, hooks & couplings
D.	An alloy of iron, chromium & carbon
Answer» D. An alloy of iron, chromium & carbon

Discussion

153.	*$_Aqueous nitric acid is stored in __________ vessel.?
A.	Plain carbon steel
B.	Stainless steel
C.	Cast iron
D.	Thermosetting plastic material
Answer» D. Thermosetting plastic material

Discussion

154.	*$_Rubber lined vessels are corroded by the action of?
A.	Aqua regia
B.	Chloroform
C.	Sulphuric acid (95%)
D.	All of the above
Answer» E.

Discussion

155.	*$_White cast iron as compared to grey cast iron is?
A.	More durable
B.	Very brittle
C.	Very hard
D.	All of the above
Answer» E.

Discussion

156.	*$_Hydrochloric acid is stored in a __________ steel vessel.?
A.	Lead lined
B.	Rubber lined
C.	Glass lined
D.	Stainless
Answer» C. Glass lined

Discussion

157.	*$_High resistance electrical heating elements/wire are not made of?
A.	Marageing steel
B.	Nimonic alloys
C.	Kanthal wire
D.	Nichrome
Answer» B. Nimonic alloys

Discussion

158.	*$_The chlorinator used in the manufacture of DDT is made of?
A.	Glass
B.	Glass lined steel
C.	Teflon
D.	Bakelite
Answer» C. Teflon

Discussion

159.	*$_Glass lined vessels are not used for handling/storing?
A.	Dilute H‚Äö√á√áSO‚Äö√á√ë
B.	Dilute HNO‚Äö√á√â
C.	Dilute HCl
D.	Hydroflouric acid
Answer» E.

Discussion

160.	*$___________ iron is produced, when molten pig iron is chilled suddenly.?
A.	White cast
B.	Grey cast
C.	Wrought
D.	None of these
Answer» B. Grey cast

Discussion

161.	*$_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
Answer» B. 18% chromium and 8% molybdenum

Discussion

162.	*$_Which of the following has the least carbon percentage??
A.	Low carbon steel
B.	Mild steel
C.	Wrought iron
D.	White cast iron
Answer» D. White cast iron

Discussion

163.	*$_Gas holder of a gobar (cowdung) gas plant is made of?
A.	Molybdenum stainless steel
B.	Tin
C.	Mild steel
D.	Aluminium
Answer» D. Aluminium

Discussion

164.	*$_Residual magnetism in steel for magnets is increased by the addition of?
A.	Nickel
B.	Cobalt
C.	Tungsten
D.	Chromium
Answer» C. Tungsten

Discussion

165.	*$_A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds.?
A.	5
B.	100
C.	250
D.	500
Answer» B. 100

Discussion

166.	*$_Nitriding of steel is done (in electric furnace) at __________ ¬¨‚àûC.?
A.	510
B.	1720
C.	2210
D.	910
Answer» B. 1720

Discussion

167.	*$_Molten phthalic anhydride is stored in a/an __________ vessel.?
A.	Aluminium
B.	Nickel clad steel
C.	Lead lined steel
D.	Glass lined steel
Answer» B. Nickel clad steel

Discussion

168.	*$_Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of?
A.	Tungsten
B.	Vanadium
C.	Silicon
D.	All of the above
Answer» D. All of the above

Discussion

169.	*$_Tin vessels are corroded by?
A.	Anhydrous ammonia
B.	Aromatic solvents
C.	Synthetic detergent solution
D.	None of these
Answer» E.

Discussion

170.	*$_Slow plastic deformation of metals under a constant stress is termed as __________ failure.?
A.	Fatigue
B.	Endurance
C.	Creep
D.	None of these
Answer» D. None of these

Discussion

171.	*$_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
Answer» B. 20-22% Cr, and 8-10% Ni

Discussion

172.	*$_Thermosetting resins are those polymers, which?
A.	Do not increase in plasticity with rise in temperature
B.	Allow slip to occur between molecules
C.	Do not take on a permanent set
D.	None of these
Answer» B. Allow slip to occur between molecules

Discussion

173.	*$_Rotary kilns in cement industry are lined with____bricks.?
A.	Fireclay
B.	Silica
C.	Lead
D.	High alumina & high magnesia
Answer» E.

Discussion

174.	*$_Stainless steel contains?
A.	Chromium and nickel
B.	Copper
C.	Aluminium
D.	Vanadium
Answer» B. Copper

Discussion

175.	*$_Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.?
A.	Chromium
B.	Nickel
C.	Tungsten
D.	Cobalt
Answer» E.

Discussion

176.	*$_The softest material just next to talc in the Mhos scale is?
A.	Quartz
B.	Gypsum
C.	Feldspar
D.	Fluorite
Answer» C. Feldspar

Discussion

177.	*$_Spray dryer for evaporating milk to produce milk powder is made of?
A.	Lead lined steel
B.	Stainless steel
C.	Aluminium
D.	Cast iron
Answer» C. Aluminium

Discussion

178.	*$_The presence of impurities in iron?
A.	Increases its melting point
B.	Does not affect its melting point
C.	Decreases its melting point
D.	Makes it malleable
Answer» D. Makes it malleable

Discussion

179.	*$_Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100¬¨‚àûC ??
A.	Monel
B.	Stainless steel
C.	Graphite
D.	Kel-F and teflon
Answer» C. Graphite

Discussion

180.	*$_Cast iron vessels are not suitable for the storage of?
A.	Freon
B.	H‚Äö√á√áSO‚Äö√á√ë (95%) at room temperature
C.	H‚Äö√á√áSO‚Äö√á√ë (fuming)
D.	Wet SO‚Äö√á√á
Answer» E.

Discussion

181.	*$_Which of the following is not shipped in mild steel containers??
A.	Acetone
B.	Ammonia
C.	Ethyl alcohol
D.	Formic acid
Answer» E.

Discussion

182.	*$_Tank furnace used for melting of glass is made of?
A.	Mild steel
B.	Cast iron
C.	Refractory blocks
D.	Stainless steel
Answer» D. Stainless steel

Discussion

183.	*$_Which of the following is the most prone to atmospheric corrosion??
A.	Silver
B.	Iron
C.	Tin
D.	Copper
Answer» C. Tin

Discussion

184.	*$_Liners of a ball mill are never made of?
A.	Lead
B.	Alloy steel
C.	Rubber or ceramic material
D.	Cast iron
Answer» B. Alloy steel

Discussion

185.	*$_Tempering of steel is done to make it?
A.	Brittle
B.	Hard
C.	Rollable
D.	Soft
Answer» E.

Discussion

186.	*$_Which of the following stainless steels is non-magnetic??
A.	Ferritic
B.	Martensitic
C.	Austenitic
D.	None of these
Answer» D. None of these

Discussion

187.	*$_Constantan used in thermocouples is an alloy of?
A.	Iron & copper
B.	Copper & aluminium
C.	Lead & tin
D.	None of these
Answer» E.

Discussion

188.	*$_Diamagnetic materials are magnetised?
A.	Strongly
B.	Only slightly
C.	With eddy currents only
D.	In a direction opposite to that of the applied field
Answer» E.

Discussion

189.	*$_A material is able to retain the deformation permanently by virtue of its?
A.	Elasticity
B.	Plasticity
C.	Ductility
D.	Malleability
Answer» C. Ductility

Discussion

190.	*$_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

191.	*$_Which of the following has the poorest wel-dability??
A.	Low carbon steel
B.	Mild steel
C.	Wrought iron
D.	High-carbon steel
Answer» E.

Discussion

192.	*$___________ is used for determining the tensile strength of steels.?
A.	Hydraulic press
B.	Universal testing machine
C.	Mechanical press
D.	None of these
Answer» C. Mechanical press

Discussion

193.	*$_Which has the maximum melting point out of the following??
A.	Steel
B.	Cast iron
C.	Stainless steel
D.	Wrought iron
Answer» E.

Discussion

194.	*$_German silver in an alloy of?
A.	Copper, nickel and zinc
B.	Copper, aluminium and silver
C.	Silver, zinc and aluminium
D.	Silver, nickel and zinc
Answer» B. Copper, aluminium and silver

Discussion

195.	*$_Graphite is corroded by?
A.	Sulphuric acid (10%)
B.	Sea water
C.	Hydrochloric acid
D.	None of these
Answer» E.

Discussion

196.	*$_The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.?
A.	Abrasive
B.	Corrosive
C.	Both A & B
D.	Neither A nor B
Answer» B. Corrosive

Discussion

197.	*$_Ceramic materials fabrication can not be done by?
A.	Welding
B.	Slip casting
C.	Extrusion
D.	Plastic pressing
Answer» B. Slip casting

Discussion

198.	/_White metal is an alloy of?
A.	Lead, tin and cadmium
B.	Copper, tin and zinc
C.	Copper and lead
D.	None of these
Answer» E.

Discussion

199.	/_Water gas generator is made of?
A.	Carbon steel-brick lined
B.	Stainless steel-lead lined
C.	Cast iron
D.	High carbon steel-procelain lined
Answer» B. Stainless steel-lead lined

Discussion

200.	/_Maximum consumption of copper is in?
A.	Utensil manufacture
B.	Electrical industry
C.	Industrial equipment manufacture
D.	Small scale industries
Answer» C. Industrial equipment manufacture

Discussion

Explore topic-wise MCQs in Chemical Engineering.

*$_Low carbon steels are those in which carbon percentage is around?

*$_Wrought iron is?

*$_Aqueous nitric acid is stored in __________ vessel.?

*$_Rubber lined vessels are corroded by the action of?

*$_White cast iron as compared to grey cast iron is?

*$_Hydrochloric acid is stored in a __________ steel vessel.?

*$_High resistance electrical heating elements/wire are not made of?

*$_The chlorinator used in the manufacture of DDT is made of?

*$_Glass lined vessels are not used for handling/storing?

*$___________ iron is produced, when molten pig iron is chilled suddenly.?

*$_18/8 stainless steel means, that it contains?

*$_Which of the following has the least carbon percentage??

*$_Gas holder of a gobar (cowdung) gas plant is made of?

*$_Residual magnetism in steel for magnets is increased by the addition of?

*$_A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds.?

*$_Nitriding of steel is done (in electric furnace) at __________ ¬¨‚àûC.?

*$_Molten phthalic anhydride is stored in a/an __________ vessel.?

*$_Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of?

*$_Tin vessels are corroded by?

*$_Slow plastic deformation of metals under a constant stress is termed as __________ failure.?

*$_Most common stainless steel type 316, which is highly resistant to corrosion contains?

*$_Thermosetting resins are those polymers, which?

*$_Rotary kilns in cement industry are lined with____bricks.?

*$_Stainless steel contains?

*$_Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.?

*$_The softest material just next to talc in the Mhos scale is?

*$_Spray dryer for evaporating milk to produce milk powder is made of?

*$_The presence of impurities in iron?

*$_Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100¬¨‚àûC ??

*$_Cast iron vessels are not suitable for the storage of?

*$_Which of the following is not shipped in mild steel containers??

*$_Tank furnace used for melting of glass is made of?

*$_Which of the following is the most prone to atmospheric corrosion??

*$_Liners of a ball mill are never made of?

*$_Tempering of steel is done to make it?

*$_Which of the following stainless steels is non-magnetic??

*$_Constantan used in thermocouples is an alloy of?

*$_Diamagnetic materials are magnetised?

*$_A material is able to retain the deformation permanently by virtue of its?

*$_Lead?

*$_Which of the following has the poorest wel-dability??

*$___________ is used for determining the tensile strength of steels.?

*$_Which has the maximum melting point out of the following??

*$_German silver in an alloy of?

*$_Graphite is corroded by?

*$_The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.?

*$_Ceramic materials fabrication can not be done by?

*/*_White metal is an alloy of?

*/*_Water gas generator is made of?

*/*_Maximum consumption of copper is in?

/_White metal is an alloy of?

/_Water gas generator is made of?

/_Maximum consumption of copper is in?