Steel tower used for the storage of oleum?

Is lined with acid-proof bricks

Super conductors are those substances, which?

Conduct electricity at low temperature

Offer no resistance to current flow

Conduct electricity at low temperature

Offer high resistance to current flow

Conduct electricity at high temperature

A metallic alloy in general as compared to their pure metal components is?

Having lower hardness, reactivity and fusibility

Having lower electrical conductivity

Produced by adding 10-20% steel to the cupola charge

Presence of manganese in alloy steel improves its?

Abrasion resistance & toughness

Presence of silicon in steel?

Indicates that steel is not deoxidised properly

Decreases the blow holes formation tendency in castings

Fe‚Äö√á√âC chemically

Characterised by an orthorhombic crystal structure

Specify the material of construction suitable for handling concentrated HNO‚Äö√á√â at 100¬¨‚àûC.?

High silicon iron, Kel-F and teflon

Bog iron used for the adsorption of H?S from coke oven gas is?

Iron impregnated with resin (usually bakelite)

An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)

Iron impregnated with resin (usually bakelite)

Highly electronegative in nature

An element which exhibits the properties of both metal & non-metal

Especially resistant to solutions containing H‚Äö√á√áSO‚Äö√á√ë

Usually joined by burning (e.g. by melting to adjacent pieces with a torch)

Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain

SO‚Äö√á√â is absorbed using H‚Äö√á√áSO‚Äö√á√ë in a$

Packed steel tower lined with acid proof bricks

Copper is dissolved from its ore by H‚Äö√á√áSO‚Äö√á√ë in a percolation tank made of$

Reinforced concrete lined with lead

1037 + Mcqs in Materials And Construction in Chemical Engineering Page 11 McqOptions

501.	Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of?
A.	Nickel
B.	Copper
C.	Stainless steel
D.	Brass
Answer» C. Stainless steel

Discussion

502.	Steel tower used for the storage of oleum?
A.	Is lined with lead
B.	Need not be lined
C.	Is lined with rubber
D.	Is lined with acid-proof bricks
Answer» C. Is lined with rubber

Discussion

503.	Super conductors are those substances, which?
A.	Offer no resistance to current flow
B.	Conduct electricity at low temperature
C.	Offer high resistance to current flow
D.	Conduct electricity at high temperature
Answer» B. Conduct electricity at low temperature

Discussion

504.	Evaporator used for concentrating tomato juice is made of?
A.	Nickel
B.	Brass
C.	Stainless steel-glass lined
D.	Cast iron-rubber lined
Answer» D. Cast iron-rubber lined

Discussion

505.	High degree of toughness is a must for?
A.	High speed steel
B.	Shock resisting steel
C.	Cold work tool steel
D.	None of these
Answer» C. Cold work tool steel

Discussion

506.	In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of?
A.	Stainless steel
B.	Cast iron
C.	Lead lined steel
D.	Rubber lined steel
Answer» C. Lead lined steel

Discussion

507.	Silicon percentage in iron castings to have maximum hardness should be about?
A.	0.3
B.	0.5
C.	0.8
D.	2.5
Answer» D. 2.5

Discussion

508.	A metallic alloy in general as compared to their pure metal components is?
A.	More corrosion resistant
B.	Having higher melting point
C.	Having lower hardness, reactivity and fusibility
D.	Having lower electrical conductivity
Answer» B. Having higher melting point

Discussion

509.	Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a?
A.	Cermet
B.	Glass
C.	Thermosetting plastic
D.	Metallic alloy
Answer» C. Thermosetting plastic

Discussion

510.	'Semi steel' is?
A.	Produced by adding 10-20% steel to the cupola charge
B.	Stronger than cast iron
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

Discussion

511.	Presence of manganese in alloy steel improves its?
A.	Corrosion resistance
B.	Cutting ability
C.	Abrasion resistance & toughness
D.	Elasticity & creep resistance
Answer» D. Elasticity & creep resistance

Discussion

512.	The ability of a material to absorb energy in the elastic range is a measure of its?
A.	Toughness
B.	Resilience
C.	Malleability
D.	Brittleness
Answer» C. Malleability

Discussion

513.	Which of the following commercial metals is most abundantly found in India??
A.	Copper
B.	Aluminium
C.	Nickel
D.	Zinc
Answer» C. Nickel

Discussion

514.	Hardening of steel is not possible unless it is heated __________ critical point.?
A.	Above the highest
B.	Above the lowest
C.	Between the first & second
D.	Between the second & third
Answer» C. Between the first & second

Discussion

515.	Which of the following is not an alloy of copper and tin??
A.	Bell metal
B.	Gun metal
C.	Admiralty gun metal
D.	Monel metal
Answer» E.

Discussion

516.	Presence of silicon in steel?
A.	Is in the form of free Si
B.	Indicates that steel is not deoxidised properly
C.	Decreases the blow holes formation tendency in castings
D.	None of these
Answer» D. None of these

Discussion

517.	Invar used in thermocouples is an alloy of nickel and?
A.	Iron
B.	Copper
C.	Chromium
D.	Lead
Answer» B. Copper

Discussion

518.	The carbonating tower used in Solvay process of soda ash manufacture is made of?
A.	Cast iron
B.	Stainless steel
C.	Karbate
D.	Lead lined steel
Answer» B. Stainless steel

Discussion

519.	Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of?
A.	Brass
B.	Copper
C.	High carbon steel
D.	Aluminium
Answer» B. Copper

Discussion

520.	Anodic material used for the cathodic protection of underground buried steel pipeline is?
A.	Nickel or copper
B.	Zinc or magnesium
C.	Bronze
D.	Brass
Answer» C. Bronze

Discussion

521.	Material of construction of pipe generally used for conveying water in India is?
A.	Stainless steel
B.	Cast iron
C.	Wrought iron
D.	Lead lined steel
Answer» C. Wrought iron

Discussion

522.	The metals occuring at the lower most position in the electromotive series?
A.	Do not resist corrosion
B.	Resist corrosion very strongly
C.	Are very brittle
D.	Are heat insulators
Answer» C. Are very brittle

Discussion

523.	Cementite is?
A.	Fe‚Äö√á√âC chemically
B.	A compound of carbon and iron
C.	Characterised by an orthorhombic crystal structure
D.	All of the above
Answer» E.

Discussion

524.	In drop forging process, the forging is done by dropping the __________ at high velocity.?
A.	Hammer
B.	Workpiece
C.	Die with hammer
D.	Weight on hammer
Answer» D. Weight on hammer

Discussion

525.	Specify the material of construction suitable for handling concentrated HNO‚Äö√á√â at 100¬¨‚àûC.?
A.	High silicon iron, Kel-F and teflon
B.	Tin and wood
C.	Silicone rubber
D.	Stainless steel
Answer» B. Tin and wood

Discussion

526.	Nickel is a constituent of?
A.	Bronze
B.	Solder
C.	Duralumin
D.	Monel metal
Answer» E.

Discussion

527.	Maximum permissible sulphur content in steel is __________ percent.?
A.	0.015
B.	0.055
C.	0.505
D.	0.805
Answer» C. 0.505

Discussion

528.	Which of the following finds the least commercial use??
A.	Pure iron
B.	High silicon iron
C.	Low carbon steel
D.	High carbon steel
Answer» B. High silicon iron

Discussion

529.	Bog iron used for the adsorption of H?S from coke oven gas is?
A.	An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)
B.	Iron impregnated with resin (usually bakelite)
C.	Carbon free iron
D.	None of these
Answer» B. Iron impregnated with resin (usually bakelite)

Discussion

530.	Metalloid is?
A.	Highly electronegative in nature
B.	An element which exhibits the properties of both metal & non-metal
C.	An alloy
D.	All of the above
Answer» C. An alloy

Discussion

531.	Lead pipe is?
A.	Especially resistant to solutions containing H‚Äö√á√áSO‚Äö√á√ë
B.	Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
C.	Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain
D.	All of the above
Answer» E.

Discussion

532.	High carbon steel contains more than __________ percent carbon.?
A.	0.5
B.	2.2
C.	2.5
D.	2.8
Answer» B. 2.2

Discussion

533.	Reduction in the grain size reduces the __________ of the material.?
A.	Fatigue resistance
B.	Tensile strength
C.	Creep resistance
D.	All of the above
Answer» D. All of the above

Discussion

534.	The largest consumption of zinc for alloys is in the making of?
A.	Bearing metal
B.	Brasses
C.	Brazing solder
D.	Die casting alloys
Answer» C. Brazing solder

Discussion

535.	Age hardening is concerned with?
A.	Copper
B.	Brass
C.	Duralumin
D.	Silver
Answer» D. Silver

Discussion

536.	Glass is corroded by?
A.	Fluorine (dry or wet)
B.	Sulphuric acid
C.	Phosphoric acid
D.	None of these
Answer» B. Sulphuric acid

Discussion

537.	Which of the following alloy steels is the most suitable for making gun barrels and projectiles??
A.	Tungsten steel
B.	Molybdenum steel
C.	Nickel-chrome steel
D.	Cobalt steel
Answer» D. Cobalt steel

Discussion

538.	Presence of cobalt in steel improves its?
A.	Cutting ability
B.	Corrosion resistance
C.	Tensile strength
D.	None of these
Answer» B. Corrosion resistance

Discussion

539.	Softening of hardned steel is done by its?
A.	Normalising
B.	Tempering
C.	Annealing
D.	Carburising
Answer» C. Annealing

Discussion

540.	Which one has the maximum tensile strength out of the following?
A.	Nodular cast iron
B.	Pig iron
C.	White cast iron
D.	Grey cast iron
Answer» B. Pig iron

Discussion

541.	Which of the following has the highest density and the lowest melting point?
A.	Stainless steel
B.	Titanium
C.	Lead
D.	Aluminium
Answer» D. Aluminium

Discussion

542.	SO‚Äö√á√â is absorbed using H‚Äö√á√áSO‚Äö√á√ë in a$
A.	Cast iron packed tower
B.	Stainless steel plate tower
C.	Packed steel tower lined with acid proof bricks
D.	None of these
Answer» D. None of these

Discussion

543.	Which of the following is a light alloy?
A.	Monel metal
B.	Dow metal
C.	German silver
D.	Babbit metal
Answer» C. German silver

Discussion

544.	Copper is dissolved from its ore by H‚Äö√á√áSO‚Äö√á√ë in a percolation tank made of$
A.	Wood
B.	Stainless steel
C.	Reinforced concrete lined with lead
D.	High silicon iron (14% Si)
Answer» D. High silicon iron (14% Si)

Discussion

545.	Which of the following is the hardest material?
A.	Topaz
B.	Quartz
C.	Corrundum
D.	Flourite
Answer» D. Flourite

Discussion

546.	Approximate value of the modulus of elasticity for steel is about __________ x l0‚Äö√Ö‚àÇkg/cm¬¨‚â§.$
A.	0.5
B.	2
C.	40
D.	75
Answer» C. 40

Discussion

547.	Which of the following is produced by condensation polymerisation?
A.	Bakelite
B.	Polythene
C.	Poly vinyl chloride
D.	Polystyrene
Answer» B. Polythene

Discussion

548.	Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?
A.	Silicon steel
B.	Chromium steel
C.	Molybdenum steel
D.	None of these
Answer» B. Chromium steel

Discussion

549.	Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)?
A.	Invar
B.	Constantan
C.	Chromel
D.	Alumel
Answer» B. Constantan

Discussion

550.	Which of the following comprises of hydrocarbons?
A.	Mica flakes
B.	Glass
C.	Rubber
D.	None of these
Answer» D. None of these

Discussion

Explore topic-wise MCQs in Chemical Engineering.

Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of?

Steel tower used for the storage of oleum?

Super conductors are those substances, which?

Evaporator used for concentrating tomato juice is made of?

High degree of toughness is a must for?

In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of?

Silicon percentage in iron castings to have maximum hardness should be about?

A metallic alloy in general as compared to their pure metal components is?

Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a?

'Semi steel' is?

Presence of manganese in alloy steel improves its?

The ability of a material to absorb energy in the elastic range is a measure of its?

Which of the following commercial metals is most abundantly found in India??

Hardening of steel is not possible unless it is heated __________ critical point.?

Which of the following is not an alloy of copper and tin??

Presence of silicon in steel?

Invar used in thermocouples is an alloy of nickel and?

The carbonating tower used in Solvay process of soda ash manufacture is made of?

Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of?

Anodic material used for the cathodic protection of underground buried steel pipeline is?

Material of construction of pipe generally used for conveying water in India is?

The metals occuring at the lower most position in the electromotive series?

Cementite is?

In drop forging process, the forging is done by dropping the __________ at high velocity.?

Specify the material of construction suitable for handling concentrated HNO‚Äö√á√â at 100¬¨‚àûC.?

Nickel is a constituent of?

Maximum permissible sulphur content in steel is __________ percent.?

Which of the following finds the least commercial use??

Bog iron used for the adsorption of H?S from coke oven gas is?

Metalloid is?

Lead pipe is?

High carbon steel contains more than __________ percent carbon.?

Reduction in the grain size reduces the __________ of the material.?

The largest consumption of zinc for alloys is in the making of?

Age hardening is concerned with?

Glass is corroded by?

Which of the following alloy steels is the most suitable for making gun barrels and projectiles??

Presence of cobalt in steel improves its?

Softening of hardned steel is done by its?

Which one has the maximum tensile strength out of the following?

Which of the following has the highest density and the lowest melting point?

SO‚Äö√á√â is absorbed using H‚Äö√á√áSO‚Äö√á√ë in a$

Which of the following is a light alloy?

Copper is dissolved from its ore by H‚Äö√á√áSO‚Äö√á√ë in a percolation tank made of$

Which of the following is the hardest material?

Approximate value of the modulus of elasticity for steel is about __________ x l0‚Äö√Ö‚àÇkg/cm¬¨‚â§.$

Which of the following is produced by condensation polymerisation?

Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)?

Which of the following comprises of hydrocarbons?