Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs

Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs

This post is comprising of latest ” Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest mechanical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding mechanical engineering then read these mcqs of Design of Steel Structures.

Latest Chemical Engineering MCQs

By practicing these MCQs of Chemical Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs , an individual for exams performs better than before. This post comprising of mechanical engineering objective questions and answers related to Materials And Construction Mcqs “. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of mechanical engineering to approach the success. Tab this page to check “Chemical Materials And Construction Mcqs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others.

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:

Gunmetal and bronze are not corroded by the action of__________________?

A. Hydrochloric acid (10%)
B. Synthetic detergent solution
C. Wet chlorine
D. Nitric acid (< 25%)

Hydrochloric acid is _______________ corrosive to common metals?

A. Not
B. Least
C. Mildly
D. Highly

Invar used in thermocouples is an alloy of nickel and________________?

A. Iron
B. Chromium
C. Copper
D. Lead

Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making________________?

A. Gears
B. Flanges
C. Shafts
D. Shear blades

Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

A. Copper & nickel
B. Aluminium
C. Zinc
D. Tin

A material capable of undergoing large permanent deformation, when subjected to compression is termed as___________________?

A. Malleable
B. Brittle
C. Ductile
D. None of these

The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?

A. Crystalline
B. Non-crystalline solid
C. Rubbery
D. Non-crystalline organic polymeric

An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?

A. Constantan
B. Chromel
C. Kanthal
D. German silver

Constantan is an alloy of____________________?

A. Pt (95%) & Rh (10%)
B. Cu (55%) & Ni (45%)
C. Cu (55%) & Sn (45%)
D. Fe (80%) & Ni (20%)

Tempering of steel is done to make it________________?

A. Hard
B. Brittle
C. Rollable
D. Soft

Which of the following has the highest compressive strength ?

A. Cast iron
B. Wrought iron
C. Mild steel
D. High carbon steel

Purity of electrical grade aluminium should be ≥ _____________ percent?

A. 85
B. 99.5
C. 95
D. 90

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

A. Are very brittle
B. Resist corrosion very strongly
C. Do not resist corrosion
D. Are heat insulators

Ability of a material to absorb energy in deformation in the plastic range is characterised as its____________________?

A. Creep
B. Toughness
C. Ductility
D. Resilience

Austenitic manganese steel used for making jaws of crushing machines contains about ______________ percent manganese?

A. 7-9
B. 3.5-4.5
C. 1.5-2
D. 12-14

Chromel (Nichrome) is an alloy of_____________________?

A. Molybdenum and nickel
B. Nickel and chromium
C. Chromium and molybdenum
D. Chromium and aluminium

Fluid Mechanics Mcqs

Babbitt metal used for making bearings should have_____________________?

A. High co-efficient of friction between journal and bearing
B. Low co-efficient of friction between journal and bearing
C. Ability to retain lubricant on its surface
D. Both B. & C.

Thermosetting resins are those polymers, which__________________?

A. Do not increase in plasticity with rise in temperature
B. Do not take on a permanent set
C. Allow slip to occur between molecules
D. None of these

Dies for wire drawing are generally made of__________________?

A. Stainless steel
B. Mild steel
C. Carbides
D. High carbon steel

Pick the odd man out of the following?

A. Calorising
B. Nitriding
C. Pack carburising
D. Cyaniding

A material no longer behaves elastically beyond_________________?

A. Limiting load
B. Plastic limit
C. Elastic limit
D. Breaking load

Glass lined vessels are not used for handling__________________?

A. Dilute HNO3
B. Dilute H2SO4
C. Dilute HCI
D. Hydrofluoric acid

Which of the following is the most elastic material ?

A. Glass
B. Plastic
C. Steel
D. Rubber

Materials having _____________ lattice structure are usually most ductile?

A. FCC
B. HCP
C. BCC
D. Cubic

____________ alloys have the highest specific strength of all the structural materials out of the following?

A. Chromium
B. Titanium
C. Magnetic steel
D. Magnesium

Shock resisting steels should possess high___________________?

A. Tensile strength
B. Toughness
C. Hardness
D. Wear resistance

Out of the following, copper vessels are the most suitable for the storage of__________________?

A. Nitric acid (95% and fuming)
B. Dry chlorine & dry fluorine
C. Bromine
D. Phosphoric acid (95%) & sulphuric acid (95% and fuming)

Plasticisers are added to polymers to improve their____________________?

A. Acid resistance
B. Softness & flexibility
C. Tensile strength
D. Alkali resistance

Titanium metal_________________?

A. Cannot be welded
B. Exists in three allotropic forms
C. Is used in oceanographic and space exploration applications
D. None of these

Graphite is corroded by_________________?

A. Sulphuric acid (10%)
B. Hydrochloric acid
C. Sea water
D. None of these

Creep is not exhibited at low temperature by _____________________?

A. Acrylics
B. Rubber
C. Lead
D. Plastics

Which of the following exercises most powerful influence on the mechanical properties of steel ?

A. Phosphorous
B. Carbon
C. Manganese
D. Silicon

Babbitt metal (used for making bearings) comprises of__________________?

A. Mainly tin (85%) and lead
B. Zinc and aluminium
C. Saw dust and iron dust mixture
D. Copper and aluminium

Acid proof stoneware_________________?

A. Cannot be heated
B. Has very low strength
C. Is broken by small temperature changes
D. All A., B. and C.

Light weight metallic alloy used in aircraft industry is________________?

A. Phosphor bronze
B. High silicon (14%) iron
C. Duralumin
D. Aluminium

Which one contains the least percentage of carbon ?

A. Wrought iron
B. Cast iron
C. High speed steel
D. Pig iron

Ceramic materials are____________________?

A. Always amorphous in nature
B. Stronger in compression than in tension
C. Organic in nature
D. Always bad heat conductors

Plastics are____________________?

A. Not suitable for drainage pipe manufacture
B. Non-biodegradable
C. Used in very high temperature applications
D. All A., B. & C.

Nuclear Power Engineering Mcqs

SO3 is absorbed using H2SO4 in a____________________?

A. Stainless steel plate tower
B. Cast iron packed tower
C. Packed steel tower lined with acid proof bricks
D. None of these

Nitriding of steel is done (in electric furnace) at _____________ °C?

A. 510
B. 2210
C. 1720
D. 910

Brass is an alloy of____________________?

A. Tin and lead
B. Copper and zinc
C. Nickel and tin
D. Copper, nickel and zinc

A hardened steel essentially contains___________________?

A. Troostite
B. Sorbite
C. Martensite
D. None of these

Silicone rubber is not resistant to the corrosive action of____________________?

A. Sulphuric acid (10%)
B. Ether
C. Sulphuric acid (95%)
D. Both B. and C.

The fermenter used in the production of penicillin (by deep fermentation process) is made of___________________?

A. Porcelain
B. Glass lined steel
C. High silicon cast iron
D. Glass

The heat treatment process applied to cold formed steel parts is ____________________?

A. Normalising
B. Artificial ageing
C. Tempering
D. Solution annealing

An ideal material of construction for the storage of 50% caustic soda solution would be___________________?

A. High silicon cast iron
B. Karbate
C. Monel
D. None of these

Stainless steel is not corroded by _____________________?

A. Sulphuric acid (10%)
B. Nitric acid (10%)
C. Hydrochloric acid (10%)
D. Saturated brine

In hot wire anemometer used for gas flow measurement, the wire is normally made of ______________________?

A. Constantan
B. Platinum
C. Copper
D. Chromium

Addition of 2% nickel in steel makes it suitable for making ___________________?

A. Turbine blades
B. Boiler plates, rivets etc.
C. Electronic valves
D. Connecting rod

Low carbon steels are those in which carbon percentage is around____________________?

A. 0.1 to 0.35
B. 0.8 to 1.5
C. 0.4 to 0.7
D. 1.5 to 2

Nickel and copper are the basic constituents of__________________?

A. German silver
B. Monel metal
C. Hastelloy
D. Inconel

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

A. Stainless steel
B. Copper
C. Nickel
D. Brass

Sulphuric acid pickling tanks are lined with__________________?

A. Aluminium
B. Rubber
C. Nickel
D. Glass

With increase in carbide/graphite ratio in cast iron, its__________________?

A. Ductility decreases
B. Hardness & brittleness increases
C. Both A. and B.
D. Neither A. nor B.

Which is an amorphous material ?

A. Glass
B. Brass
C. Mica
D. Cast iron

Ammonium chloride solution is stored/ treated in _____________ vessels/pipes?

A. Stainless steel
B. Plain carbon steel
C. Rubber or durmet-20 lined
D. Lead

In order to be called steel, an alloy should have iron percentage greater than____________________?

A. 80
B. 90
C. 70
D. 50

The process of heating the cold pressed metallic powder is called ______________ in powder metallurgy?

A. Fusion
B. Precipitation
C. Sintering
D. Agglomeration

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

A. Cast iron
B. Karbate
C. Stainless steel
D. Lead lined steel

Which of the following alloys does not contain nickel ?

A. Chloro, et-2 alloy
B. Inconel
C. Monel
D. Babbitt metal

Hardest material so far found is__________________?

A. Diamond
B. Carborundum
C. Graphite
D. Pumice stone

The heat treatment process to which castings and the steel balls produced by cold heading are subjected is____________________?

A. Annealing
B. Normalising
C. Tempering
D. None of these

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

A. Titanium
B. Stainless steel
C. Lead
D. Aluminium

Which of the following is the hardest _______________?

A. Pearlite
B. Cementite
C. Austenite
D. Ferrite

For platinum thermocouples, lead wires are made of___________________?

A. Copper & copper-nickel alloys
B. Iron & nickel
C. Copper & iron
D. Tin & nickel

Which of the following is the lightest of engineering metals ?

A. Magnesium
B. Titanium
C. Aluminium
D. Tin

The most resistant material to alkaline corrosion is____________________?

A. Aluminium
B. Nickel
C. Duriron
D. Karbate

Plate and frame filter press is usually made of__________________?

A. Stainless steel
B. Cast iron
C. Mild steel
D. Galvanised iron

Nickel is a constituent of ________________________?

A. Solder
B. Bronze
C. Duralumin
D. Monel metal

Platinum and silver are corroded by___________________?

A. Phosphoric acid
B. Caustic soda solution
C. Sulphuric acid (10%)
D. None of these

Valves in pipe size of 2″ and under are normally made of_______________________?

A. Bronze
B. Brass
C. Wrought iron
D. Monel

Wood metal is not used for making___________________?

A. Casting for dental work
B. Soft solder
C. Storage tank for storing brine and caustic soda
D. Fusible safety plug for pressure cooker

Nickel (76%) and chromium (15%) alloys are termed as______________________?

A. Inconel
B. Aluminium bronzes
C. Monel
D. Brass

Babbitt metal is not a___________________________?

A. White metal
B. Tin base alloy
C. Lead base alloy
D. Pure metal

Which of the following stainless steels is non-magnetic ?

A. Martenistic
B. Ferritic
C. Austenitic
D. None of these

Materials And Construction Mcqs

Photographic plates are coated with_________________?

A. Calcium silicate
B. Silver halide
C. Silver nitrate
D. Metallic silver

Presence of 0.3 to 0.5% arsenic in copper increases its____________________?

A. Malleability
B. Ductility
C. Tenacity & hardness
D. Electrical conductivity

Acetylene gas holder is made of__________________?

A. Cast iron
B. Copper
C. Steel
D. Monel metal

Babbitt metals used for making bearings are _________________?

A. Tin or lead based alloys
B. Yellow metals
C. Having homogenous microstructure
D. Short of antifrictional properties

Carbon percentage is the same in cast iron and_________________?

A. Mild steel
B. Pig iron
C. Wrought iron
D. High silicon (14%) iron

Nickel (56%) and molybdenum (17%) alloys are called________________?

A. Inconel
B. Hastelloy C
C. Monel
D. Bronzes

Specify the material of construction suitable for handling concentrated HNO3 at 100°C ?

A. High silicon iron, Kel-F and Teflon
B. Silicone rubber
C. Tin and wood
D. Stainless steel

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

A. Molybdenum steel
B. Tungsten steel
C. Nickel-chrome steel
D. Cobalt steel

Heavy duty bearings are usually made of___________________?

A. White metal
B. Monel
C. Phosphorous bronze
D. Zinc

Pure nickel is___________________?

A. Ferromagnetic above its curie point (i.e., 415°C)
B. Not resistant to oxidation at high temperature
C. Ferromagnetic at room temperature
D. Having h.c.p. crystal lattice

White metal is an alloy of___________________?

A. Copper and lead
B. Copper, tin and zinc
C. Lead, tin and cadmium
D. None of these

German silver used for decorative purposes contains maximum percentage of___________________?

A. Zinc
B. Copper
C. Silver
D. Nickel

Cermets are used for making___________________?

A. Abrasives
B. Cutting tools
C. Both A. & B.
D. Neither A. nor B

_____________ is added in stainless steel to prevent inter crystal corrosion?

A. Chromium
B. Niobium
C. Vanadium
D. Nickel

Hammers and railway rails are normally made of___________________?

A. Dead mild steel
B. Mild steel
C. Medium carbon steel
D. High carbon steel

Slow and progressive deformation of a material with time under constant stress is called___________________?

A. Creep
B. Resilience
C. Erosion
D. None of these

Lead alone is not used in storing equipment, because it________________?

A. Corrodes easily
B. Is very costly
C. Is having low creep strength
D. None of these

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?

A. Rubber lined mild steel
B. Aluminium
C. Lead lined mild steel
D. Cast iron

Cold worked steel parts are normally subjected to_________________?

A. Hardening
B. Normalising
C. Annealing
D. Shot peening

Water gas generator is made of__________________?

A. Carbon steel-brick lined
B. Cast iron
C. Stainless steel-lead lined
D. High carbon steel-porcelain lined

To improve the machinability of steel, it is generally subjected to_______________?

A. Spheroidising
B. Normalising
C. Tempering
D. Annealing

Dilute sulphuric acid is transported in _____________ pipes?

A. Copper
B. Lead
C. Mild steel
D. Special alloys

Cast iron and steel pipes are produced by ____________ casting?

A. Investment
B. Die
C. Slush
D. True centrifugal

Urea autoclave is made of_________________?

A. Refractory blocks
B. Cast iron
C. Stainless steel
D. Lead lined steel

Aqueous nitric acid is stored in________________?

A. Cast iron vessel
B. Stainless steel vessel
C. Cast iron vessel lined with acid-proof masonry brick
D. Steel drum

Materials And Construction MCQs – Latest Competitive Chemical Engineering MCQs

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