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MCQs

Total Questions : 188 | Page 18 of 19 pages
Question 171. Cellulose was added in the pulping of certain fruit juices. What is it called? Was the decision of it being added in this process of filtration correct?
  1.    Filter cloth, yes
  2.    Filter aid, yes
  3.    Filter cloth, no
  4.    Filter aid, no
 Discuss Question
Answer: Option B. -> Filter aid, yes
Answer: (b).Filter aid, yes
Question 172. Which of the following factor does the rate of filtration depend on?
  1.    Compressibility factor of the filtrate
  2.    Pressure drop
  3.    Compressibility factor of the filtrate & Pressure drop
  4.    Neither of the mentioned
 Discuss Question
Answer: Option C. -> Compressibility factor of the filtrate & Pressure drop
Answer: (c).Compressibility factor of the filtrate & Pressure drop
Question 173. Statement 1: Continuous Rotary vacuum filter press has a high labor cost.
Statement 2: Continuous Rotary vacuum filter press has a high clogging.
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option C. -> False, False
Answer: (c).False, False
Question 174. Rheology of food in the food processing industry is how the food is affected when _____ is applied.
  1.    Pressure
  2.    Butter
  3.    None of the mentioned
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Pressure
Answer: (a).Pressure
Question 175. Which correction of the orifice meter is corrected in the venturimeter?
  1.    The eddies are not formed as the entrance to the downstream is not very big as compared to the vena contracta
  2.    The throat diameter can be changed
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> The eddies are not formed as the entrance to the downstream is not very big as compared to the vena contracta
Answer: (a).The eddies are not formed as the entrance to the downstream is not very big as compared to the vena contracta
Question 176. In food industry, chlorine line is painted _____ and hydrogen line is painted _____
  1.    Yellow, black
  2.    Green, blue
  3.    Orange, red
  4.    Yellow, red
 Discuss Question
Answer: Option D. -> Yellow, red
Answer: (d).Yellow, red
Question 177. In a rota meter _________ force is directly proportional to _____ of the fluid.
  1.    Buoyancy, Linear Velocity
  2.    Gravitational, Volumetric flow rate
  3.    Gravitational, Linear Velocity
  4.    Buoyancy, Volumetric flow rate
 Discuss Question
Answer: Option A. -> Buoyancy, Linear Velocity
Answer: (a).Buoyancy, Linear Velocity
Question 178. _____ is a mechanical gadget used to prevent leaks.
  1.    Hydrogen fitting
  2.    Stuffing Box
  3.    Mechanical Box
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Stuffing Box
Answer: (b).Stuffing Box
Question 179. Statement 1: Starch is _____ as its viscosity decreases with an increase in shear stress.
Statement 2: Bingham plastics follow Newton’s law of viscosity at low shears.
  1.    Bingham, False
  2.    Dilatant, True
  3.    Pseudo plastic, False
  4.    Newtonian fluid, True
 Discuss Question
Answer: Option C. -> Pseudo plastic, False
Answer: (c).Pseudo plastic, False
Question 180. Statement 1: Blood is a _____
Statement 2: Thixotropic fluids are fluids whose viscosity decreases when subjected to shear stress initially but eventually with time, the viscosity increases.
  1.    Newtonian fluid, False
  2.    Rheopectic, True
  3.    Pseudo plastic, False
  4.    Casson plastic, True
 Discuss Question
Answer: Option D. -> Casson plastic, True
Answer: (d).Casson plastic, True

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