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MCQs

Total Questions : 5013 | Page 496 of 502 pages
Question 4951. As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?
  1.    Butt
  2.    Lap
  3.    Welded
  4.    None of these
 Discuss Question
Answer: Option B. -> Lap
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4952. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
  1.    Manganese
  2.    Silicon
  3.    Nickel
  4.    Chromium
 Discuss Question
Answer: Option A. -> Manganese
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4953. Plants produce carbohydrates from the CO2 present in the atmosphere by_________________?
  1.    Polymerisation
  2.    Photochemical reaction
  3.    Oxidation
  4.    None of these
 Discuss Question
Answer: Option B. -> Photochemical reaction
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4954. A form of stress corrosion failure termed as ‘season cracking’ is generally observed in __________________?
  1.    Thermosetting polymers
  2.    High carbon steels
  3.    Brasses
  4.    Borosilicate glasses
 Discuss Question
Answer: Option C. -> Brasses
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4955. Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?
  1.    √T
  2.    1/√P
  3.    √y
  4.    1/√ρ
 Discuss Question
Answer: Option B. -> 1/√P
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4956. Hot & cold working of material causes its _______________ deformation?
  1.    Visco-elastic
  2.    Isotropic
  3.    Elastic
  4.    Plastic
 Discuss Question
Answer: Option D. -> Plastic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4957. Unbreakable crockeries are made from ______________ polymers?
  1.    Polystyrene
  2.    Melamine
  3.    Polystyrene
  4.    Polyurethane
 Discuss Question
Answer: Option D. -> Polyurethane
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4958. Production of a hollow product by inflation of a tube or parison is called the _______________ process?
  1.    Blow moulding
  2.    Calendaring
  3.    Extrusion
  4.    Injection
 Discuss Question
Answer: Option A. -> Blow moulding
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4959. Removal of non-condensable from steam or other vapour is termed as the ________________ process?
  1.    Condensation
  2.    Deaeration
  3.    Scavenging
  4.    Exhaust
 Discuss Question
Answer: Option B. -> Deaeration
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4960. ______________ cannot increase the fatigue strength of a material?
  1.    Grain refining
  2.    Grain coarsening
  3.    Surface hardening
  4.    Shot peening
 Discuss Question
Answer: Option B. -> Grain coarsening
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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