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MCQs

Total Questions : 360 | Page 9 of 36 pages
Question 81. Alkenes generally known as
  1.    Olefins
  2.    Alkenes
  3.    Alkynes
  4.    Hydrocarbons
 Discuss Question
Answer: Option A. -> Olefins
Answer: (a).Olefins
Question 82. Smog can be harmful for:
  1.    Respiratory tract
  2.    Urinary tract
  3.    Digestive tract
  4.    Spinocerebellar tract
 Discuss Question
Answer: Option A. -> Respiratory tract
Answer: (a).Respiratory tract
Question 83. Which pollutants damage protective coating and paints of surface?
  1.    Aerosols
  2.    Sox and Nox
  3.    PAN
  4.    SO₂, O₃, H₂S
 Discuss Question
Answer: Option D. -> SO₂, O₃, H₂S
Answer: (d).SO₂, O₃, H₂S
Question 84. Acid deposition reacts with limestone, causing:
  1.    Damage to paints
  2.    Deterioration of building materials
  3.    Deterioration of textile fibers
  4.    fading and shaping
 Discuss Question
Answer: Option B. -> Deterioration of building materials
Answer: (b).Deterioration of building materials
Question 85. If ELR exceeds ALR, environmental lapse rate, would be considered as:
  1.    ELR
  2.    Lapse rate
  3.    Super adiabatic
  4.    Adiabatic lapse rate
 Discuss Question
Answer: Option C. -> Super adiabatic
Answer: (c).Super adiabatic
Question 86. Effects of large particle, would be mild, after trapping into:
  1.    The nose
  2.    The lungs
  3.    The respiratory track
  4.    The mouth
 Discuss Question
Answer: Option A. -> The nose
Answer: (a).The nose
Question 87. Smoke is formed by incomplete combustion of
  1.    Inorganic particles
  2.    Organic particles
  3.    Dust particles
  4.    Fumes
 Discuss Question
Answer: Option B. -> Organic particles
Answer: (b).Organic particles
Question 88. Which natural mechanism is very important in removing particulate from atmosphere?
  1.    Gravitational Settling
  2.    Dispersion
  3.    Flocculation
  4.    Self cleansing
 Discuss Question
Answer: Option A. -> Gravitational Settling
Answer: (a).Gravitational Settling
Question 89. What is 'adiabatic lapse' rate for wet air?
  1.    0.6C per 100meter
  2.    0.9C per 100meter
  3.    0.7C per 100meter
  4.    0.5C per 100meter
 Discuss Question
Answer: Option A. -> 0.6C per 100meter
Answer: (a).0.6C per 100meter
Question 90. Simplest type of equipment used for collection of solid particles is known as
  1.    Electrostatic Precipitator
  2.    Settling chamber
  3.    Filter rod machine
  4.    Tangible tool
 Discuss Question
Answer: Option B. -> Settling chamber
Answer: (b).Settling chamber

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