New Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs
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Latest Chemical Engineering MCQs
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Latest Materials And Construction Mcqs
The most occurred mcqs of Materials And Construction in past papers. Past papers of Materials And Construction Mcqs. Past papers of Materials And Construction Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Materials And Construction Mcqs. The Important series of Materials And Construction Mcqs are given below:
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
A. Aluminium
B. Cast iron
C. Stainless steel
D. Nickel
Coke oven walls are lined with _____________ bricks?
A. Silica
B. Fire clay
C. Low thermal conductivity
D. Tar-dolomite
Pick out the wrong statement?
A. Metal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile than those having face centred cubic (fcc) crystal lattice structure
B. Metal/alloys having hexagonal crystal lattice structure are less malleable than those having cubic crystal lattice structure
C. Tungsten has a body centred cubic (bcc) crystal lattice structure
D. Both ferritic & austenitic stainless steel has a face centred cubic (fcc) crystal structure
Metal at the top of the electromotive series is________________?
A. Most stable
B. Least active
C. Most active
D. Most noble
Hydrocyanic acid is not shipped in______________?
A. Cast iron vessels
B. Aluminium containers
C. Steel cylinders
D. Monel drums
Polythene (low or high density) containers are not corroded by___________________?
A. Sulphuric acid (10%) at room temperature
B. Sulphur trioxide at 60°C
C. Nitric acid (95%) at room temperature
D. Any of these
The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
A. Zincification
B. Galvanising
C. Calorising
D. Tempering
Trough of an apron conveyor is made of___________________?
A. Lead lined concrete vessel
B. Metal
C. Wood
D. Either B. or C.
Maximum consumption of copper is in__________________?
A. Small scale industries
B. Electrical industry
C. Industrial equipment manufacture
D. Utensil manufacture
Carbon supply in pack carburising process is in the form of_____________________?
A. Charcoal
B. Hydrocarbon oil
C. Calcium carbide
D. Graphite
Cast iron vessels are not suitable for the storage of_________________?
A. H2SO4 (fuming)
B. H2SO4 (95%) at room temperature
C. Freon
D. Wet SO2
Which has the maximum melting point out of the following ?
A. Cast iron
B. Steel
C. Stainless steel
D. Wrought iron
Hardened steel is softened by___________________?
A. Annealing
B. Tempering
C. Normalising
D. Carburising
The ‘bomb’ in the bomb calorimeter is made of___________________?
A. Molybdenum stainless steel
B. Copper
C. High silicon iron (14% Si)
D. Mild steel
Softening of hardened steel is done by its_____________________?
A. Annealing
B. Tempering
C. Normalising
D. Carburising
_____________________ is used for determining the tensile strength of steels ?
A. Mechanical press
B. Universal testing machine
C. Hydraulic press
D. None of these
For storing water and acid free benzol, use a ______________ vessel?
A. Steel
B. Stainless steel
C. Karbate
D. None of these
Gas holder of a gobar (cow-dung) gas plant is made of___________________?
A. Tin
B. Molybdenum stainless steel
C. Mild steel
D. Aluminium
Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?
A. Stainless steel
B. Wood
C. Reinforced concrete lined with lead
D. High silicon iron (14% Si)
Addition of ______________ in steel is helpful in increasing the depth of hardness?
A. Chromium
B. Vanadium
C. Sulphur
D. Tungsten
Addition of nickel to copper improves its_________________?
A. Ductility
B. Machinability
C. Strength
D. Hardness
Materials And Construction Mcqs
Clock pendulums are usually made of _______________ steel?
A. Stainless
B. High speed
C. Heat resisting
D. None of these
A chemical change takes place when iron_____________?
A. Rusts
B. Is heated
C. Melts
D. None of these
Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________?
A. Karbate
B. Stainless steel or glass lined vessel
C. Cast iron
D. Wrought iron
_______________ does not contain tin as an alloying material?
A. Brass
B. Solder
C. Pewter
D. Babbitt metal
Cast iron is a ______________ material?
A. Brittle
B. Tough
C. Ductile
D. Malleable
Presence of even 0.005% of _____________ in copper makes it highly brittle, rendering it useless for wire-drawing?
A. Arsenic
B. Oxygen
C. Antimony
D. Bismuth
_____________ is added in low carbon steel to raise its yield point?
A. Phosphorous
B. Sulphur
C. Silicon
D. Manganese
Age hardening is concerned with_________________?
A. Brass
B. Copper
C. Duralumin
D. Silver
Thermosetting polymers are_________________?
A. Extruded
B. Cast molded
C. Injection moulded
D. None of these
A material is called ‘ductile’, if it can be__________________?
A. Drawn into wires
B. Fractured without deformation
C. Hammered to a thin sheet
D. Made lustrous by heating it
A material capable of undergoing large permanent deformation, when subjected to tension is termed as___________________?
A. Brittle
B. Ductile
C. Friable
D. None of these
Corrosion involves exchange of electrons in ____________ corrosion?
A. Electrochemical
B. Chemical
C. Both A. & B.
D. Neither A. nor B.
Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its ______________________?
A. Low thermal conductivity
B. High co-efficient of thermal expansion
C. High corrosion resistance
D. All A., B. and C.
The main constituent of carborundum is ___________________ carbide?
A. Boron
B. Silicon
C. Calcium
D. Aluminium
Carbon tetrachloride can be stored in a storage vessel made of________________?
A. Tin
B. High silicon iron (14% Si)
C. Stainless steel
D. All A., B. and C.
Approximate value of the modulus of elasticity for steel is about _____________ × 106kg/cm2?
A. 40
B. 2
C. 0.5
D. 75
Which of the following is the softest material ?
A. Corundum
B. Calcite
C. Quartz
D. Fluorite
Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A. Generators and small motors
B. Armature of small motors/generators
C. Induction motors
D. High frequency transformers
Mercury is transported in metal containers made of________________?
A. Lead
B. Iron
C. Aluminium
D. Nickel
Teflon (PTFE) is corroded by_______________?
A. Hydrochloric acid (10%)
B. Sulphuric acid
C. Hydrochloric acid (95%)
D. None of these
Liners of a ball mill are never made of__________________?
A. Lead
B. Cast iron
C. Rubber or ceramic material
D. Alloy steel
Which of the following undergoes granular fracture ?
A. Cast iron
B. Steel
C. Wrought iron
D. None of these
Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
A. Nickel or glass lined steel
B. Tantalum
C. Aluminium
D. Lead
Presence of manganese in alloy steel improves its___________________?
A. Cutting ability
B. Corrosion resistance
C. Abrasion resistance & toughness
D. Elasticity & creep resistance
Which of the following is not shipped in mild steel containers ?
A. Ammonia
B. Acetone
C. Ethyl alcohol
D. Formic acid
Ceramic materials fabrication cannot be done by__________________?
A. Welding
B. Extrusion
C. Slip casting
D. Plastic pressing
Steel rods are used in reinforced concrete to increase its ______________ strength?
A. Compressive
B. Tensile
C. Shear
D. None of these
The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called__________________?
A. Bauschinger effect
B. Hysteresis
C. Hooke’s effect
D. Relaxation
A measure of toughness of a material is its________________?
A. Ultimate strength
B. Yield strength
C. Percentage elongation
D. Area under stress-strain diagram
Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of________________?
A. Copper
B. Stainless steel
C. High silicon (14%) iron
D. Aluminium
Which of the following is produced by condensation polymerisation ?
A. Bakelite
B. Polystyrene
C. Poly vinyl chloride
D. Polythene
Tin in its pure form is used for making_______________?
A. Foil for wrapping cheese
B. Collapsible tubes for toilet preparations
C. Cans for food packing
D. All A., B. and C.
Nuclear Power Engineering Mcqs
Thermoplastic resins are those polymers, which____________________?
A. Cannot be moulded
B. Has decreased plasticity at increasing temperature
C. Easily deform under pressure at high temperature
D. None of these
Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
A. Bolts
B. Nuts
C. Chisels
D. Studs
Centrifugal pump made of pyrex or glass can’t be used to pump___________________?
A. Brine
B. Alkaline solutions
C. Dilute H2SO4 at room temperature
D. Milk and fruit juices
Monel metal is an alloy of__________________?
A. Molybdenum and aluminium
B. Nickel and copper
C. Molybdenum and nickel
D. Molybdenum and zinc
Which of the following is a low melting point metal ?
A. Wrought iron
B. Stainless steel
C. Tin
D. Copper
Brass container is suitable for storing__________________?
A. H2SO4 (95%)
B. Beer
C. Aqueous ammonia
D. Phosphoric acid (95%)
Chilled iron castings are__________________?
A. Soft on surface
B. Easily machinable
C. Highly wear resistant
D. None of these
Stainless steel contains_________________?
A. Chromium and nickel
B. Aluminium
C. Copper
D. Vanadium
Slow plastic deformation of metals under a constant stress is termed as _____________ failure?
A. Endurance
B. Fatigue
C. Creep
D. None of these
Which is the purest form of iron ?
A. Wrought iron
B. Bessemer iron
C. Pig iron
D. Grey iron
Which of the following crystal structures characterises the ferritic stainless stee l?
A. Simple hexagonal
B. Body centred cubic
C. Face centred cubic
D. None of these
Which of the following is not an alloy of copper ?
A. Admiralty gun metal
B. Muntz metal
C. German silver
D. Pewter metal
Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?
A. Vanadium
B. Tungsten
C. Silicon
D. All A., B. & C.
The hardest material just prior to diamond in Mhos scale is_________________?
A. Carborundum
B. Topaz
C. Corundum
D. Calcite
Carbon is present in the combined form (carbide) in case of______________________?
A. Steel
B. Pig iron
C. Ferroalloys
D. All A., B. & C.
Polymorphism is not exhibited by______________________?
A. Iron
B. Carbon
C. Phosphorous
D. None of these
Gun metal is an alloy of_________________________?
A. Copper, phosphorus and nickel
B. Copper, tin and zinc
C. Nickel, tin and copper
D. Manganese, phosphorus and nickel
Metalloid is_______________________?
A. An element, which exhibits the properties of both metal & non metal
B. An alloy
C. Highly electronegative in nature
D. All A., B. & C.
Tin coating on metals is not done by_____________________?
A. Hot dipping
B. Powder metallurgy
C. Spraying
D. Electro-deposition
Fluid Mechanics Mcqs
_____________ iron is produced, when molten pig iron is chilled suddenly?
A. White cast
B. Wrought
C. Grey cast
D. None of these
Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?
A. 0.35
B. 0.2
C. 0.02
D. 0.5
Which of the following is the most prone to atmospheric corrosion ?
A. Tin
B. Iron
C. Silver
D. Copper
Which of the following is the hardest material ?
A. Quartz
B. Topaz
C. Corundum
D. Fluorite
Cast iron compared to steel is better in__________________?
A. Strength
B. Fluidity & castability
C. Ductility
D. Malleability
_____________ moulding process cannot be used for thermoplastic plastics?
A. Extrusion
B. Compression
C. Injection
D. None of these
Which of the following metals in not used for coating of the base metal to guard it against corrosion ?
A. Cadmium
B. Lead
C. Magnesium
D. Aluminium
Cast iron detachable joint is used in __________ pipes.
A. Steel
B. Asbestos cement
C. Cast iron
D. Reinforced cement concrete
Presence of even very minute amount (say 0.1%) of ______________ in copper, reduces its electrical conductivity very seriously?
A. Bismuth
B. Antimony
C. Arsenic
D. Both B. and C.
Muntz metal is a/an alloys of____________________?
A. Ferrous material
B. Magnesium & tin
C. Lead & tin
D. Copper & zinc
Hastelloy comprises of____________________?
A. Copper and nickel
B. Copper and tin
C. Molybdenum and nickel
D. Lead and tin
Carbon content in steel is ___________________ percent?
A. 0.1-2
B. 2-4
C. 4-6
D. 0.001-0.01
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?
A. Steel
B. Cast iron
C. Nickel
D. Karbate
Iron alloyed with carbon upto 2% is called___________________?
A. Wrought iron
B. Pig iron
C. High carbon steel
D. None of these
Mild steel is a/an ______________ steel?
A. Low carbon
B. High carbon
C. Medium carbon
D. High alloy
Amount of energy that a material can absorb before its fracture is a measure of its _________________?
A. Toughness
B. Malleability
C. Resilience
D. Ductility
Visco-elastic behaviour of materials which is time dependent is common in______________?
A. Crystalline solid
B. Plastics
C. Non-crystalline solids
D. Non-crystalline organic polymer
Steel balls for ball bearings are generally made of ______________ steel?
A. Stainless
B. Cast
C. Free carbon
D. Carbon chrome
The damage/deterioration of metals by the ______________ action of fluids is called ‘erosion’?
A. Abrasive
B. Corrosive
C. Both of the above
D. Neither of the above
The most distinguished property of malleable cast iron is its high_________________?
A. Ductility
B. Malleability
C. Hardness
D. None of these
A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?
A. Lead
B. Mercury
C. Zinc
D. Tin
Which of the following is the most widely used insulating material for st Vermiculite eam carrying pipelines ?
A. Vermiculite
B. Glass wool and 85% magnesia
C. Ceramic fibre blanket
D. Slag wool
Steel pipes are normally manufactured by ______________ process?
A. Extrusion
B. Forging
C. Cold working
D. Electroforming
Duriron is__________________?
A. High silicon iron
B. Acid resistant, brittle and very hard
C. Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion
D. All A., B. and C.
The material of construction of bearings is__________________?
A. Pig iron
B. Babbitt metal
C. Cast iron
D. Steel
Very high sulphur in pig iron makes ___________________?
A. Its casting unsound
B. Its brittle and malleable
C. Its hard and machinable
D. All A., B. & C.
White cast iron as compared to grey cast iron is ________________?
A. Very brittle
B. More durable
C. Very hard
D. All A., B. & C.
Brine solution is stored/treated in _______________ lined vessels/pipes?
A. Lead
B. Rubber
C. Glass
D. Nickel