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MCQs

Total Questions : 1977 | Page 194 of 198 pages
Question 1931. Ferric stainless steels compared to austenitic stainless steels
  1.    Are harder to fabricate
  2.    Are less ductile and hence less suitable for cold pressing
  3.    Have lower corrosion resistance
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 1932. A measure of toughness of a material is its
  1.    Percentage elongation
  2.    Yield strength
  3.    Ultimate strength
  4.    Area under stress-strain diagram
 Discuss Question
Answer: Option B. -> Yield strength
Question 1933. Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
  1.    Karbate
  2.    Lead or glass
  3.    Fireclay bricks
  4.    PVC
 Discuss Question
Answer: Option B. -> Lead or glass
Question 1934. Titanium metal
  1.    None of these
  2.    Is used in oceanographic and space exploration applications
  3.    Exists in three allotropic forms
  4.    Can not be welded
 Discuss Question
Answer: Option B. -> Is used in oceanographic and space exploration applications
Question 1935. Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?
  1.    Steel
  2.    Cast iron
  3.    Nickel
  4.    Karbate
 Discuss Question
Answer: Option C. -> Nickel
Question 1936. Dielectric strength of a material is
  1.    A magnetic property
  2.    Its capacity to resist the flow of current
  3.    Its capacity to withstand high voltage
  4.    Its energy stroage capacity
 Discuss Question
Answer: Option C. -> Its capacity to withstand high voltage
Question 1937. Which one has the maximum tensile strength out of the following?
  1.    Pig iron
  2.    White cast iron
  3.    Grey cast iron
  4.    Nodular cast iron
 Discuss Question
Answer: Option D. -> Nodular cast iron
Question 1938. Corrosion involves exchange of electrons in __________ corrosion.
  1.    Neither A nor B
  2.    Chemical
  3.    Both A & B
  4.    Electrochemical
 Discuss Question
Answer: Option C. -> Both A & B
Question 1939. Materials having __________ lattice structure are usually most ductile.
  1.    c.c.
  2.    F.c.c.
  3.    Cubic
  4.    H.c.p.
 Discuss Question
Answer: Option B. -> F.c.c.
Question 1940. __________ steel is widely used for the manufacture of motor car crankshafts.
  1.    High speed
  2.    Chrome
  3.    Nickel
  4.    Silicon
 Discuss Question
Answer: Option B. -> Chrome

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