38500+ Important MCQs for AFCAT

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Learn AFCAT MCQs with answers [Page 7 of Department 140]

R

Ram Sharma • 193.81K Points
Coach Science

61) Preparation of 'Dalda or Vanaspati' ghee from vegetable oil utilizes the following process:

  • (A) Ozonolysis
  • (B) Oxidation
  • (C) Hydrogenation
  • (D) Hydrolysis
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.81K Points
Coach General Awareness

64) Consider the following chemicals 
1. Benzene
2. Carbon tetrachloride
3. Sodium carbonate 
4. Trichloroethylene
 Which of the above is/are used as dry cleaning chemical?

  • (A) 1, 2 and 4 only
  • (B) Only 1
  • (C) Only 2
  • (D) 1, 2, 3 and 4
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.81K Points
Coach Chemistry

65) With reference to ionic compounds, consider the following statements 
1. Ionic compounds are insoluble in alcohol. 
2. Ionic compounds in the solid state are good conductor of electricity. 
Which of these statements is/are right?

  • (A) Only 2
  • (B) Only 1
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.81K Points
Coach Physics

66) Curie point is the temperature at which

  • (A) Matter becomes radioactive
  • (B) Transmutation of metal occurs
  • (C) A metal loses magnetic properties
  • (D) A metal loses conductivity
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.81K Points
Coach Physics

69) If both the mass & the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by

  • (A) 2 times
  • (B) 16 times
  • (C) 8 times
  • (D) 4 times
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.81K Points
Coach Physics

70) Which are the materials generally employed as solder in soldering operations in electronics?

  • (A) Aluminium and lead
  • (B) Lead and tin
  • (C) Iron and tin
  • (D) Aluminium and iron
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

You are learning MCQ Questions of AFCAT Department : 140 | Page : 7

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