Q.81
ICAR AIEEA PG Dairy Technology 09 July 2023 (Shift 1) Paper
MCQ (Single Correct)
Diffuser is a part of

which of the following types of pump?

डिफ्यूज़र (Diffuser) निम्नलिखित में से किस प्रकार के पंप का एक भाग है?

Diffuser-type centrifugal pumps:

  • Piston pumps use cylinder valves and pistons.
  • In diffuser-type centrifugal pumps (turbine pumps), stationary expanding guide vanes (the diffuser) surround the impeller periphery to gradually decelerate liquid exiting the impeller tips, converting kinetic energy into pressure with higher hydraulic efficiency than a plain volute casing.
  • Screw pumps use intermeshing helical screws.
  • Gear pumps use rotating meshed gears.
Therefore, option 2 (Centrifugal pump) is the correct answer.

पंप में डिफ्यूज़र का उपयोग:

  • पिस्टन पंप में वाल्व होते हैं।
  • डिफ्यूज़र (Diffuser) अपकेंद्री पंप (Centrifugal pump) का एक प्रमुख घटक है। यह इम्पेलर के चारों ओर स्थिर गाइड वेन से बना होता है जो द्रव के वेग को नियंत्रित रूप से घटाकर उच्च दक्षता के साथ दाब में बदलता है।
  • स्क्रू पंप में पेंच होते हैं।
  • गियर पंप में गियर होते हैं।
अतः विकल्प 2 सही उत्तर है।
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Packaging Materials & Systems: Flexible Laminates, Aseptic Packaging, MAP, Vacuum Packaging & Quality Evaluation Thermal Processing of Fluid Milk: LTLT, HTST Pasteurization, UHT, Sterilization & ESL Systems Technology of Frozen Dairy Desserts: Ice Cream Mix Formulation, Freezing, Overrun, Hardening & Novelties Dairy By-Product Utilization & Whey Processing: Casein, Caseinates, Whey Powder, WPC, WPI & Lactose Recovery Sensory Evaluation of Dairy Products: Discrimination Tests, Hedonic Scaling, Scoring Systems & Flavor Defect Profiling Concentrated Milks: Evaporated Milk, Sweetened Condensed Milk, Standardization & Pilot Sterilization Fluid Milk Reception, Chilling, Clarification, Standardization & Homogenization Ghee Technology: Traditional, Cream-Butter, Pre-Stratification & Continuous Methods, Packaging & AGMARK Dried Milks: Roller & Spray Drying, Atomization, Powder Properties, Instantization & Specialty Infant Formulas Cheese Manufacture: Coagulation, Curd Handling, Cheddaring, Pressing, Salting & Curing of Hard & Semi-Hard Cheeses Butter Technology: Batch Churning, Continuous Butter Making (CBM), Working, Salting & Rheology Traditional Heat-Desiccated & Acid-Coagulated Indian Dairy Products: Khoa, Paneer, Chhana & Their Sweets Membrane Filtration in Dairy Processing: Reverse Osmosis (RO), Nanofiltration (NF), Ultrafiltration (UF) & Microfiltration (MF) Soft, Acid-Coagulated & Mold-Ripened Cheeses: Cottage, Mozzarella, Camembert, Roquefort & Fresh Cheeses Technology of Fermented & Probiotic Milks: Dahi, Yoghurt, Cultured Buttermilk, Lassi, Kefir & Koumiss Technology of Fat-Rich Products: Cream Separation, Processing, Neutralization & Cream Varieties Traditional Fermented, Fat-Rich & Frozen Indian Dairy Confections: Shrikhand, Rabri, Kulfi & Ghee Residue
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