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- Question
Removal of oil and grease from sewage [waste water]
Options- A. Skimming
- B. Filtration
- C. Screening
- D. None of the above
- Correct Answer
- Skimming
ExplanationSkimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.
- 1. Where is the National Institute of Virology situated?
Options- A. Pune
- B. Delhi
- C. Kolkata
- D. Madras Discuss
- 2. Jamini Roy was a famous?
Options- A. Producer
- B. Painter
- C. Dancer
- D. Actor Discuss
- 3. The 'Agha Khan Cup' is associated with which game?
Options- A. Badminton
- B. Hockey
- C. Football
- D. Cricket Discuss
- 4. What is the Websites code for the country Spain?
Options- A. SI
- B. SP
- C. ES
- D. SN Discuss
- 5. The World Environment Day is celebrated on
Options- A. April 7
- B. June 5
- C. August 6
- D. June 16 Discuss
- 6. Marsh gas is
Options- A. nitrogen
- B. ethane
- C. methane
- D. hydrogen Discuss
- 7. Which of the following is not a part of the Internet?
Options- A. World Wide Web
- B. Email
- C. CD-ROM
- D. HTTP Discuss
- 8. Heavy water is
Options- A. deuterium oxide
- B. PH7
- C. rain water
- D. tritium oxide Discuss
- 9. Which of the following crops is regarded as a plantation crop?
Options- A. Coconut
- B. Cotton
- C. Sugarcane
- D. Rice Discuss
- 10. How many terminals does a BJT have?
Options- A. 1
- B. 5
- C. 4
- D. 3 Discuss
More questions
Correct Answer: Pune
Correct Answer: Painter
Correct Answer: Hockey
Correct Answer: ES
Correct Answer: June 5
Correct Answer: methane
Correct Answer: CD-ROM
Correct Answer: deuterium oxide
Correct Answer: Coconut
Correct Answer: 3
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