PHARMACEUTICAL ENGINEERING

Elutriation tank is an essential solid-liquid separation technique widely used in pharmaceutical engineering for particle classification. This concise guide explains the principle, construction, working, uses, merits and demerits of the elutriation tank, tailored for B. Pharm students. Learn how fluid velocity and particle settling interact in the elutriation tank to achieve size-based separation, and review … Read more

Introduction: A bag filter (baghouse) is a key particulate removal device in pharmaceutical manufacturing, combining simple construction with effective dust collection. Understanding the bag filter principle, construction, working, uses, merits and demerits is essential for B. Pharm students involved in process engineering, quality assurance and GMP compliance. Topics include filter media types (polyester, PTFE, polypropylene), … Read more

Air separator – principle, construction, working, uses, merits, demerits MCQs With Answer is an essential topic for B.Pharm students studying particulate processing and powder technology. This introduction explains the air separator principle, key construction features, working mechanism, pharmaceutical uses (e.g., powder classification, deagglomeration, and dust removal), and practical merits and demerits affecting product quality and … Read more

Cyclone separator – principle, construction, working, uses, merits, demerits is an essential topic for B. Pharm students studying air pollution control and powder handling in the pharmaceutical industry. A cyclone separator removes airborne particles from gas streams using centrifugal force and vortex flow; its basic construction includes an inlet, cylindrical body, cone, vortex finder and … Read more

Introduction: The sieve shaker is an essential laboratory instrument for B.Pharm students to understand particle size analysis. Covering the principle of sieving, detailed construction of sieve stacks, and the working parameters such as amplitude, frequency and sieving time, this guide explains common uses in granule sizing, powder classification and quality control. You will also learn … Read more

Sieve and sieve analysis are fundamental techniques in pharmaceutical powder characterization, crucial for B.Pharm students studying particle size distribution, mesh size, and granulometry. Proper sieve selection, understanding aperture versus mesh number, and following USP and pharmacopoeial methods ensure accurate particle size analysis for tablets, capsules, granules and suspensions. Sieve testing (wet and dry), sieve shaker … Read more

Official standards of powders MCQs With Answer are essential study material for B. Pharm students preparing for exams and practicals in pharmaceutics. This concise, Student-friendly post covers key concepts such as pharmacopeial monographs (IP, BP, USP), powder characterization (particle size, sieve analysis, bulk/tapped density), flow properties (angle of repose, Hausner ratio, Carr’s index), moisture determination … Read more

Introduction: The mechanism of size separation is a core topic for B. Pharm students studying particle technology and manufacturing. This guide covers key concepts such as particle size separation, sieving, sedimentation, centrifugation, air classification, and the role of Stokes’ law and d50 in design and analysis. Clear explanations of sieving efficiency, cut-size, cyclone behavior, and … Read more

Introduction: Size separation is a core topic in pharmaceutics, covering methods like sieving, filtration, centrifugation, sedimentation and air classification to separate particles by particle size and density. For B.Pharm students, understanding principles such as Stokes’ law, pore size selection, cut-off and cut-size, and equipment design is crucial for formulation, granulation, powder flow, and drug delivery. … Read more

Introduction: Understanding the objectives of size separation MCQs with answer is essential for B. Pharm students focusing on particle size distribution, sieving, and classification techniques. This introduction covers why particle size control matters in formulation, dissolution, flow properties, content uniformity, and stability testing. Key topics include sieving methods, wet and dry separation, PSD parameters (D10, … Read more