GATE 2018 Textile Engineering and Fibre Science (TF) Question Papers with Answer Key PDFs- (February 04)

GATE Questions

• 1.

  Write a balanced equation for the reaction of molecular nitrogen (N₂) and oxygen (O₂) to form dinitrogen pentoxide. \((f(x)=x^2)\)

  • N₂ + O₂ → N₂O₅ (unbalanced equation)
  • 2N₂ + 5O₂ → 2N₂O₅
  • option 3
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• 2.

  Direction: In these tests you will find an Incomplete Figure and four Answer Figures. You have to select one diagram from the Answer Figures which fits into the blank column in Incomplete Figure in order to complete it
  Incomplete Figure
  
  Answer Figures
  

  • Figure (a)

  • Figure (b)

  • Figure ©

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• 3.

  The points (-1, –2), (1, 0), (-1, 2), (-3, 0) form a quadrilateral of type:

  • Square
  • Rectangle
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• 4.

  In p-type semiconductor density of mobile holes exceeds that of conduction electrons. Hence, minority carriers in p -type semiconductor are conduction (free) electrons.

  
   

  • a

  • b

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• 5.

  For the reaction, $H_{2} + I_{2} {\rightleftharpoons} 2HI, K= 47.6.$ If the initial number of moles of each reactant and product is 1 mole then at equilibrium

  • $\left[I_{2}\right]=\left[H_{2}\right], \left[I_{2}\right] > \left[HI\right]$
  • $({\frac{x^3}{9}})$
  • \(\left[I_{2}\right]>\left[H_{2}\right], \left[I_{2}\right] = \left[HI\right]\)

  • $\omega\propto\,n^{\frac{1}{3}}$
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• 6.

  The area of a rhombus whose vertices are (3, 0), (4, 5), (-1, 4) and (-2,-1) taken in order, is:

  • 12 sq.units

  • 24 sq.units

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