Description : Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for ... dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these
Last Answer : (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature
Description : Would window/door screen material work to filter particles out of grease?
Last Answer : I’d think cheesecloth is the way to go. Unless maybe you could line up several layers of screening, with the holes slightly offset.
Description : Assertion :- Filtration of colloidal particles is not possible by filter paper. Reason :- Size of colloidal particle is less than filter paper pores.
Last Answer : Assertion :- Filtration of colloidal particles is not possible by filter paper. Reason :- Size of ... D. If both Assertion & Reason are False.
Description : Filter medium resistance is that offered by the (A) Filter cloth (B) Embedded particles in the septum (C) Filter cloth and the embedded particle collectively (D) None of these
Last Answer : (C) Filter cloth and the embedded particle collectively
Description : Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers
Last Answer : (B) In sedimentation tanks equipped with mechanical scrapper
Description : Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? (A) Dust catcher (gravity type) (B) Cyclone separator (C) Bag filter (D) Hollow wet scrubber
Last Answer : (A) Dust catcher (gravity type)
Description : When is a HEPA filter used? a. To Filter Bacteria Out Of A Vaccine b. To Trap Particles In The Air c. To Protect Burn Victims d. To Separate Bacteria And Viruses
Last Answer : b. To Trap Particles In The Air
Description : Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly ... and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only
Last Answer : b) 2, 3 and 4 only
Description : Take a 250 mL beaker/glass tumbler. Fill half of it with water. Now carefully cut a small piece of sodium metal. Dry it using filter paper and wrap it in a small piece of cotton. Put the sodium piece wrapped in cotton into the beaker. Observe carefully. -Science
Last Answer : On touching the beaker, it was felt hot. The solution turns the red litmus paper to blue which shows it is basic in nature. Blue litmus paper do not show any colour change with the solution.
Description : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC. Reason `:` RBC can filter out due to small dia
Last Answer : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC ... . D. If both Assertion & Reason are false.
Description : For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. (A) Plate & frame (B) Shell & lea (C) Sand (D) Rotary vacuum
Last Answer : (C) Sand
Description : To remove very small amount of tiny solid impurities from liquid, we use a (A) Pressure filter (B) Vacuum filter (C) Centrifugal filter (D) Coagulant
Last Answer : (D) Coagulant
Description : Tank filter (e.g., Nutsche filter) is (A) A high pressure filter (B) A continuous filter (C) Used for small scale filtration work (D) A leaf filter
Last Answer : (C) Used for small scale filtration work
Description : The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. (A) Vacuum (B) Sand (C) Plate & frame (D) Rotary
Last Answer : (B) Sand
Description : Is an RC filter used when a large current or a small current demand is required?
Last Answer : Small.
Description : 7.Fine beam of light entering through a small hole in a dark room,illuminates the particles in its path.Name the process associated and Explain. -Chemistry
Last Answer : When fine beam of light entering through a small hole in a dark room, it illuminates the particle in its paths because of collision of particles of air and dust. This happens because of the Tyndall effect.
Description : What is the dense mass of small water drops on smoke particles in the lower layers of the atmosphere? -Do You Know?
Last Answer : Smog is the correct answer.
Description : Can matter be composed of many small particles called atoms?
Last Answer : Yes, it is true.
Description : What is A mixture that is a solution but does not separate because the particles in he mixture are so small is a what?
Last Answer : Feel Free to Answer
Description : The main use of salt in the diet is to - (1) increase the solubility of the food particles in water. (2) produce in small amounts the hydrochloric acid required for the digestion of food (3) ease the process of cooking (4) make the taste of the food better
Last Answer : (2) produce in small amounts the hydrochloric acid required for the digestion of food Explanation: Salt plays a primary role in the processes of digestion and absorption. Salt activates ... hydrochloric acid. Hydrochloric acid is a very important digestive secretion, which lines the stomach walls.
Description : What is the dense mass of small water drops on smoke particles in the lower layers of the atmosphere
Last Answer : Smog
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : When considering visible light cured composites, which of the following statements is incorrect? A. An air-inhibited layer is present superficially on the composite. B. The wavelength of the light which affects ... composite. (smaller particles absorb more light) D. B and C E. All are true
Last Answer : E. All are true
Description : 5. The breakdown of detritus into small particles by detritivores is called a) Leaching b) Fragmentation c) Mineralisation d) Catabolism
Last Answer : b) Fragmentation
Description : Name the Greek philosopher who first proposed the idea that matter was composed of small indivisible particles.
Last Answer : ANSWER: DEMOCRITUS
Description : The main use of salt in the diet is to (1) increase the solubility of the food particles in water (2) produce in small amounts the hydrochloric acid required for the digestion of food (3) ease the process of cooking (4) make the taste of the food better
Last Answer : produce in small amounts the hydrochloric acid required for the digestion of food