Materials And Construction MCQs | Page - 2

Dear candidates you will find MCQ questions of Materials And Construction here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

R

Ram Sharma • 193.86K Points
Coach

Q. Approximate value of the modulus of elasticity for steel is about __________ × 106 kg/cm2. 

(A) 0.2
(B) 2
(C) 40
(D) 75
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R

Ram Sharma • 193.86K Points
Coach

Q. 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
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R

Ram Sharma • 193.86K Points
Coach

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

(A) German silver
(B) Chromel
(C) Kanthal
(D) Constantan
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R

Ram Sharma • 193.86K Points
Coach

Q. Brinell Hardness Number (BHN) for talc is approximately in the range of

(A) 1-5
(B) 20-30
(C) 100 -150
(D) 200 - 250
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R

Ram Sharma • 193.86K Points
Coach

Q. Rubber lined vessels are corroded by the action of

(A) Aqua regia
(B) Chloroform
(C) Sulphuric acid (95%)
(D) All of the above
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R

Ram Sharma • 193.86K Points
Coach

Q. The addition of antimony in tin-based alloys improves its

(A) Rupture strength and hot hardness
(B) Impact strength and bonding strength
(C) Deformation resistance
(D) Wear resistance
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R

Ram Sharma • 193.86K Points
Coach

Q. The heat treatment process applied to cold formed steel parts is

(A) Normalising
(B) Tempering
(C) Artificial ageing
(D) Solution annealing
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Ram Sharma • 193.86K Points
Coach

Q. The softest material just next to talc in the Mho's scale is

(A) Quartz
(B) Fluorite
(C) Gypsum
(D) Feldspar
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R

Ram Sharma • 193.86K Points
Coach

Q. __________ can replace tungsten in high speed steel,

(A) Chromium
(B) Vanadium
(C) Cobalt
(D) Molybdenum
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R

Ram Sharma • 193.86K Points
Coach

Q. Which of the following undergoes granular fracture?

(A) Wrought iron
(B) Steel
(C) Cast iron
(D) None of these
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