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MCQs

Total Questions : 206 | Page 10 of 21 pages
Question 91. For transmitting power without slip one of the following drives is used
  1.    belt drives
  2.    rope drives
  3.    cone pulleys
  4.    chain drives
 Discuss Question
Answer: Option D. -> chain drives


chain drives


Question 92. During tensile testing on a specimen cup and cone formation is observed with
  1.    cast iron
  2.    cast steel
  3.    mild steel
  4.    glass
 Discuss Question
Answer: Option C. -> mild steel


mild steel


Question 93. For comfort air conditioning the conditions maintained are
  1.    15 deg dbt to 20 deg Wbt
  2.    25 deg dbt to 60 % RH
  3.    40 deg dbt and 40 deg Wbt
  4.    25 deg dbt and 80 % RH
 Discuss Question
Answer: Option B. -> 25 deg dbt to 60 % RH


25 deg dbt to 60 % RH


Question 94. When water at atmospheric pressure is heated from 40 deg to 80 deg, the heat absorbed is
  1.    sensible heat
  2.    latent heat
  3.    super heat
  4.    specific heat
 Discuss Question
Answer: Option A. -> sensible heat


sensible heat


Question 95. For large power production, it is economical to set up
  1.    diesel plants
  2.    steam power plants
  3.    gas turbines
  4.    hydro-electric plants
 Discuss Question
Answer: Option D. -> hydro-electric plants


hydro-electric plants


Question 96. One of the materials used for making surface plate is
  1.    granite
  2.    brass
  3.    stainless steel
  4.    wood
 Discuss Question
Answer: Option A. -> granite


granite


Question 97. Brasses and bronzes are welded using
  1.    neutral flame
  2.    oxidizing flames
  3.    carburising flame
  4.    reducing flame
 Discuss Question
Answer: Option A. -> neutral flame


neutral flame


Question 98. Upsetting is the term used in one of the following operations
  1.    casting
  2.    turning
  3.    drilling
  4.    forging
 Discuss Question
Answer: Option D. -> forging


forging


Question 99. Rapping allowance is provided on a pattern to take care of
  1.    shrinkage
  2.    distortion
  3.    machining
  4.    easy withdrawl
 Discuss Question
Answer: Option D. -> easy withdrawl


easy withdrawl


Question 100. Reducing flame is obtained in oxyactetylane welding with
  1.    excess oxygen
  2.    equal parts of both gases
  3.    excess of acetylene
  4.    reduced acetylene
 Discuss Question
Answer: Option C. -> excess of acetylene


excess of acetylene


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