☰ Pollution (Air and Noise) (Civil Engineering) - MCQs

These are four options provided for the answers of the question only one option is right answer. You have to click any of the option to check your answer. You can also directly see the answer from the answer link below. if you want to see explaination of the answer you can click discuss link.
Q25.

A blue line along the gum is caused by :

  • A. virus
  • B. protozoa
  • C. suspended particulates
  • D. lead poisoning
    ✍ Discuss    
Q26.

Hydrocarbon which may damage plants :

  • A. ethane
  • B. methane
  • C. ethylene
  • D. accetylene
    ✍ Discuss    
Q27.

Blue baze in forest area is produced because of :

  • A. alkenes
  • B. aerosols
  • C. PAN
  • D. lead
    ✍ Discuss    
Q28.

Concentration of krypton in clean air is :

  • A. 1.1 ppm
  • B. 0.11 ppm
  • C. 0.5 ppm
  • D. 0.05 ppm
    ✍ Discuss    
Q29.

Main impact of Greenhouse effect is :

  • A. increase in vegetation
  • B. decrease in vegetation
  • C. no effect on vegetation
  • D. none of these
    ✍ Discuss    
Q30.

Most dangerous hydrocarbon found in the automobile exhaust are :

  • A. methanes
  • B. olefins
  • C. alkynes
  • D. ketones
    ✍ Discuss    
❖ Sub Categories
➣ Strength of Material ➣ Building Material ➣ Concrete Technology ➣ Concrete Structure ➣ Steel Structure ➣ Soil Mechanics and Foundation ➣ Hydrology ➣ Irrigation ➣ Water Supply ➣ Fluid Mechanics and Hydraulics ➣ Solid Waste and Waste Water Treatment ➣ Transportation Engineering ➣ Surveying
❖ MCQ Categories
➤  Himachal Pradesh GK ➤  World GK ➤  All India GK ➤  Hindi ➤  English ➤  Quantitative Aptitude ➤  General Science ➤  Logical Reasoning ➤  Electrical Engineering ➤  Pharmacy Allopathy ➤  Nursing ➤  Haryana GK ➤  Class 10th ➤  TGT Exam ➤  Animal Husbandry