1037 + Mcqs in Materials And Construction Page 10 McqOptions

451.	Bearings subjected to light load are made of$?
A.	White metal
B.	Phosphorous bronze
C.	Monel
D.	Silicon bronze
Answer» C. Monel

Discussion

452.	Nickel is a __________ material.$?
A.	Ferromagnetic
B.	Diamagnetic
C.	Paramagnetic
D.	None of these
Answer» B. Diamagnetic

Discussion

453.	Slow and progressive deformation of a material with time under constant stress is called$?
A.	Creep
B.	Erosion
C.	Resilience
D.	None of these
Answer» B. Erosion

Discussion

454.	100% H‚Äö√á√áSO‚Äö√á√ë at 30¬¨‚àûC can't be stored in a vessel made/lined with$?
A.	Cast iron and high silicon iron
B.	Mild steel and stainless steel
C.	Aluminium, tin and rubber
D.	Teflon, glass and porcelain
Answer» D. Teflon, glass and porcelain

Discussion

455.	A material capable of undergoing large permanent deformation, when subjected to tension is termed as$?
A.	Friable
B.	Ductile
C.	Brittle
D.	None of these
Answer» C. Brittle

Discussion

456.	Which one contains the least percentage of carbon?$?
A.	Wrought iron
B.	High speed steel
C.	Cast iron
D.	Pig iron
Answer» B. High speed steel

Discussion

457.	Which of the following has no effect on the carbide forming tendency in steels?$?
A.	Molybdenum
B.	Phosphorus
C.	Chromium
D.	Vanadium
Answer» C. Chromium

Discussion

458.	The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.$?
A.	Non-crystalline solid
B.	Crystalline
C.	Rubberry
D.	Non-crystalline organic polymeric
Answer» E.

Discussion

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

Discussion

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

Discussion

461.	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

462.	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

463.	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

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

Discussion

465.	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

466.	Tin in its pure form is used for making$?
A.	Cans for food packing
B.	Collapsible tubes for toilet preparations
C.	Foil for wrapping cheese
D.	All of the above
Answer» E.

Discussion

467.	Which of the following is the softest material?$?
A.	Quartz
B.	Calcite
C.	Corrundum
D.	Flourite
Answer» C. Corrundum

Discussion

468.	Cermets are used for making$?
A.	Cutting tools
B.	Abrasives
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

Discussion

469.	Fatigue failure of a material results from __________ stress.$?
A.	Tensile
B.	Compressive
C.	Fluctuating
D.	None of these
Answer» D. None of these

Discussion

470.	Which of the following is a low melting point metal?$?
A.	Stainless steel
B.	Wrought iron
C.	Tin
D.	Copper
Answer» D. Copper

Discussion

471.	In a plate type heat exchanger, heat transfer plates are never made of$?
A.	Stainless steel
B.	Cast iron
C.	Titanium
D.	Hastealloy C
Answer» C. Titanium

Discussion

472.	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

473.	In SO‚Äö√á√â absorber (Contact Process), packing material used is of$?
A.	Cast iron
B.	Chemical stoneware
C.	Karbate
D.	Mild steel
Answer» C. Karbate

Discussion

474.	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

475.	For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is$?
A.	Stainless steel
B.	Cast iron
C.	Aluminium
D.	Nickel
Answer» C. Aluminium

Discussion

476.	Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)‚Äö√á√á. Lead pipes are readily corroded by$?
A.	Dilute HC‚Äö√á√Ö
B.	Acetic acid
C.	v
D.	None of these
Answer» C. v

Discussion

477.	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

478.	The heat treatment process applied to cold formed steel parts is$?
A.	Normalising
B.	Tempering
C.	Artificial ageing
D.	Solution annealing
Answer» E.

Discussion

479.	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

480.	Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property?$?
A.	Silicon
B.	Phosphorus
C.	Sulphur
D.	None of these
Answer» B. Phosphorus

Discussion

481.	Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent.$?
A.	0.02
B.	0.2
C.	0.35
D.	0.5
Answer» C. 0.35

Discussion

482.	The main purpose of galvanising iron sheets is to$?
A.	Harden the surface
B.	Increase its glossiness and lustre
C.	Prevent the action of water
D.	Prevent the action of oxygen
Answer» D. Prevent the action of oxygen

Discussion

483.	Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.$?
A.	Bismuth
B.	Arsenic
C.	Antimony
D.	Both B and C
Answer» E.

Discussion

484.	Concentrated HCl at 30¬¨‚àûC can be stored in a vessel made of$?
A.	PTFE and porcelain
B.	Cast iron and aluminium
C.	Stainless steel and high silicon cast iron
D.	None of these
Answer» B. Cast iron and aluminium

Discussion

485.	Addition of nickel to copper improves its$?
A.	Machinability
B.	Ductility
C.	Strength
D.	Hardness
Answer» E.

Discussion

486.	Maximum consumption of lead is in the manufacture of$?
A.	Storage batteries
B.	Solder alloys
C.	Electric cable sheathing
D.	Lead lined vessels
Answer» B. Solder alloys

Discussion

487.	In a plate type heat exchanger, heat transfer plates are never made of?
A.	Stainless steel
B.	Cast iron
C.	Titanium
D.	Hastealloy C
Answer» C. Titanium

Discussion

488.	Which of the following is a low melting point metal??
A.	Stainless steel
B.	Wrought iron
C.	Tin
D.	Copper
Answer» D. Copper

Discussion

489.	Fatigue failure of a material results from __________ stress.?
A.	Tensile
B.	Compressive
C.	Fluctuating
D.	None of these
Answer» D. None of these

Discussion

490.	In SO‚Äö√á√â absorber (Contact Process), packing material used is of?
A.	Cast iron
B.	Chemical stoneware
C.	Karbate
D.	Mild steel
Answer» C. Karbate

Discussion

491.	Cermets are used for making?
A.	Cutting tools
B.	Abrasives
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

Discussion

492.	Tin in its pure form is used for making?
A.	Cans for food packing
B.	Collapsible tubes for toilet preparations
C.	Foil for wrapping cheese
D.	All of the above
Answer» E.

Discussion

493.	Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property??
A.	Silicon
B.	Phosphorus
C.	Sulphur
D.	None of these
Answer» B. Phosphorus

Discussion

494.	Concentrated HCl at 30¬¨‚àûC can be stored in a vessel made of?
A.	PTFE and porcelain
B.	Cast iron and aluminium
C.	Stainless steel and high silicon cast iron
D.	None of these
Answer» B. Cast iron and aluminium

Discussion

495.	The main purpose of galvanising iron sheets is to?
A.	Harden the surface
B.	Increase its glossiness and lustre
C.	Prevent the action of water
D.	Prevent the action of oxygen
Answer» D. Prevent the action of oxygen

Discussion

496.	Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.?
A.	Bismuth
B.	Arsenic
C.	Antimony
D.	Both B and C
Answer» E.

Discussion

497.	Maximum consumption of lead is in the manufacture of?
A.	Storage batteries
B.	Solder alloys
C.	Electric cable sheathing
D.	Lead lined vessels
Answer» B. Solder alloys

Discussion

498.	Addition of nickel to copper improves its?
A.	Machinability
B.	Ductility
C.	Strength
D.	Hardness
Answer» E.

Discussion

499.	For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is?
A.	Stainless steel
B.	Cast iron
C.	Aluminium
D.	Nickel
Answer» C. Aluminium

Discussion

500.	Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)‚Äö√á√á. Lead pipes are readily corroded by?
A.	Dilute HC‚Äö√á√Ö
B.	Acetic acid
C.	v
D.	None of these
Answer» C. v

Discussion

Explore topic-wise MCQs in Chemical Engineering.

Bearings subjected to light load are made of$?

Nickel is a __________ material.$?

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

100% H‚Äö√á√áSO‚Äö√á√ë at 30¬¨‚àûC can't be stored in a vessel made/lined with$?

A material capable of undergoing large permanent deformation, when subjected to tension is termed as$?

Which one contains the least percentage of carbon?$?

Which of the following has no effect on the carbide forming tendency in steels?$?

The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.$?

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?$?

High carbon steel contains more than __________ percent carbon.$?

Presence of cobalt in steel improves its$?

Softening of hardned steel is done by its$?

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

Tin in its pure form is used for making$?

Which of the following is the softest material?$?

Cermets are used for making$?

Fatigue failure of a material results from __________ stress.$?

Which of the following is a low melting point metal?$?

In a plate type heat exchanger, heat transfer plates are never made of$?

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

In SO‚Äö√á√â absorber (Contact Process), packing material used is of$?

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

For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is$?

Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)‚Äö√á√á. Lead pipes are readily corroded by$?

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

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

Steel tower used for the storage of oleum$?

Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property?$?

Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent.$?

The main purpose of galvanising iron sheets is to$?

Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.$?

Concentrated HCl at 30¬¨‚àûC can be stored in a vessel made of$?

Addition of nickel to copper improves its$?

Maximum consumption of lead is in the manufacture of$?

In a plate type heat exchanger, heat transfer plates are never made of?

Which of the following is a low melting point metal??

Fatigue failure of a material results from __________ stress.?

In SO‚Äö√á√â absorber (Contact Process), packing material used is of?

Cermets are used for making?

Tin in its pure form is used for making?

Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property??

Concentrated HCl at 30¬¨‚àûC can be stored in a vessel made of?

The main purpose of galvanising iron sheets is to?

Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.?

Maximum consumption of lead is in the manufacture of?

Addition of nickel to copper improves its?

For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is?

Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)‚Äö√á√á. Lead pipes are readily corroded by?