This set of Food Processing Unit Operations Questions and Answers for Campus interviews focuses on “Filtration at Constant Pressure Drop”. 1. What happens when the net driving force is positive? a) Net fluid filtration takes place b) Net fluid reabsorption takes place c) Net fluid filtration stops d) Net fluid filtration stops 2. What happens … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Filtering Medium Resistance”. 1. What is the pore size in nano filtration? a) 1-10 nanometers b) 10-50 nanometers c) 50-100 nanometers d) 100-150 nanometers 2. What is the pore size in micro filtration? a) Around 0.1 micron b) Around 0.01 … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Resistance of the Filtering Cake”. 1. What is filter medium resistance? a) Resistance by solids retained on filter b) Resistance by liquid c) Resistance due to pressure d) Resistance due to concentration gradient 2. What is the primary method of … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Filtration Equipments”. 1. What is the advantage of vacuum filtration? a) Efficiency b) Faster than other filtration equipment c) Cost effective d) Low power cost 2. Identify the filtration equipment? a) Centrifugal filtration b) Rotary filtration c) Plate and frame … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Fundamentals of Filtration”. 1. What are the types of filtration? a) Biological filtration b) Chemical filtration c) Mechanical filtration d) Mechanical, biological and chemical filtration 2. What is the media used in chemical filteration? a) Soap b) Detergents c) Salt … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Mechanical Separation – Centrifugation Equipment”. 1. What is maximum speed of low speed centrifuge? a) 1000-2000rpm b) 3000-4000rpm c) 4000-5000rpm d) 5000-6000rpm 2. Which of the following used for sedimentation of red blood cells? a) Low speed centrifuge b) High … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Mechanical Separation – Centrifugation”. 1. What is the principle of centrifugation? a) Sedimentation principle b) Filtration principle c) Evaporation principle d) Size reduction principle 2. What is called centrifugation? a) Separated through spinning b) Separate components at higher temperature c) … Read more
This set of Food Processing Unit Operations Questions and Answers for Entrance exams focuses on “Mechanical Separation – Sedimentation Equipment”. 1. What should be the velocity for the sedimentation process? a) High b) Low c) Does not depend d) Very high 2. What is flotation? a) Removal of fine particles by air bubbles b) Removal … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Mechanical Separation – Sedimentation Theory”. 1. Where is sedimentation used? a) Water treatment b) Oil production c) Essential oil production d) Salt production 2. What are benefits of sedimentation? a) Effective in removing fine particles b) Effective in removing viruses … Read more
This set of Food Processing Unit Operations Multiple Choice Questions & Answers (MCQs) focuses on “Crystallization Equipment”. 1. What are the advantages of vacuum crystallizers? a) Low yield of crystals b) Small crystals c) Increase in color formation d) Reduced color formation 2. What is the principle behind forced-circulation crystallizers? a) Evaporative crystallization b) Cooling … Read more
