CET MCQ questions and answers Polytechnic 2015-2016 (Part13)
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CET MCQ questions and answers Polytechnic 2015-2016 (Part13)

Introduction of polytechnic

It is a diploma course.it is basically an educational institute that is  offers practical education and training in technical field such as engineering , computer science .it is three year course.it focused on vocation education and career pathways.A polytechnic is an educational institution that offers technical and vocational training in various fields such as engineering, computer science applied sciences, and business studies. Polytechnic programs focus on practical skills and industry-oriented education, preparing students for careers in specific trades or for further studies in universities. These institutions play a crucial role in bridging the gap between academic knowledge and practical application, equipping students with hands-on experience and technical expertise.

CET MCQ questions and answers Polytechnic 2015-2016 (Part13)

Previous Year Questions and Answers Year 2015-2016 (MCQ with solutions)

121. Green house effect can be minimised by :

  • a) Pisciculture
  • b) Agriculture
  • c) Silviculture
  • d) All these three

 

122. Oxidation is the process in which a substance:

  • a) Gains hydrogen
  • b) Gains oxygen
  • c) Gains electrons
  • d) None of these

 

123. What is a reaction in which one substance is oxidised and other is reduced is known as :

  • a) Oxidation reaction
  • b) Reduction
  • c) Redox-reaction
  • d) Reducing agent

 

124. Which of the following did not disturb the equilibrium point ?

  • a) Catalyst
  • b) temerature
  • c) Pressure
  • d) Concentration

 

125. Which of the following turns red litmus blue:

  • a) Acids
  • b) Bases
  • c) Salts
  • d) None of these

 

126. Which of the following salt solution is neutral:

    • a) NaCl
  • b) NH₄Cl
  • c) CH₃COONa
  • d) CaO₂Cl₂

 

127. which of the following is a dry ice:

  • a) Ice
  • b) Solid SO₂
  • c) Solid CO₂
  • d) NaCl

 

128. Which of the following non-metals is a good conductor of electricity ?

  • a) Graphite
  • b) Iodine
  • c) Diamond
  • d) Dromine

 

129. Sulphide ores of copper are separated from the gangue prticles by using:

  • a) Hydraulic washing
  • b) Froth floatation process
  • c) Electromagnetic separation
  • d) Chemical separation

 

130. Helium is used in balloons instead of hydrogen because :

  • a) it is lighter than hydrogen
  • b) it is non combustible
  • c) In comprison to hydrogen, it is found in abundance
  • d) It is radioactive, therefore, can be easily detected

 

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