Pharmaceutical Engineering PYQs – Set 87

By Atul Sahu • Pharmaceutical Engineering, Subject Wise PYQs

Pharmaceutical Engineering PYQs – Set 87

Subject : Pharmaceutical Engineering

1721. Fluid flow through a filter medium occurs due to

Pharmaceutical Engineering • Filtration and Flow • GPAT 2023

A. Pressure difference across the filter B. Temperature difference across the filter C. Volume difference across the filter D. Potential difference across the filter

1722. A large Reynolds number is an indication of which type of flow?

Pharmaceutical Engineering • Fluid Dynamics • GPAT 2023

A. Smooth and streamline flow B. Laminar flow C. Steady flow D. Highly turbulent flow

1723. A large Reynolds number is an indication of which type of flow?

Pharmaceutical Engineering • Fluid Dynamics • GPAT 2023

A. Smooth and streamline flow B. Laminar flow C. Steady flow D. Highly turbulent flow

1724. Which of the following is NOT a component of an evaporator?

Pharmaceutical Engineering • Heat Transfer (Evaporation, Drying) • GPAT 2023

A. Heat exchanger B. Vacuum separator C. Condenser D. Cyclone separator

1725. Which equation is used to predict the stability of a drug product at room temperature from experiments at accelerated temperature?

Pharmaceutical Engineering • Heat Transfer (Evaporation, Drying) • GPAT 2023

A. Higuchi equation B. The Arrhenius’ equation C. Hildebrand equation D. The Hixson‑Crowell equation

1726. Size of a pilot plant batch is:

Pharmaceutical Engineering • Heat Transfer (Evaporation, Drying) • GPAT 2023

A. 1/10th of marketing batch B. 1/5th of marketing batch C. 1/5th of production batch D. 1/10th of production batch

1727. In drying process, which of the following parameters is same as the adiabatic saturation temperature:

Pharmaceutical Engineering • Heat Transfer (Evaporation, Drying) • GPAT 2023

A. Wet bulb temperature B. Dew point C. Absolute humidity D. Relative humidity

1728. A differential manometer is advantageous because it can:

Pharmaceutical Engineering • Instrumentation & Controls • GPAT 2023

A. Be handled simply B. Measure very small pressure differences C. Determine viscosity along with pressure D. Be used at high pressure differences

1729. Spray drying/spray congealing method is generally used to prepare:-

Pharmaceutical Engineering • Microcapsules • GPAT 2023

A. Tablets B. Microcapsules C. Capsules D. Ointments

1730. Sieve size 80 has an opening of:

Pharmaceutical Engineering • Micromeritics • GPAT 2023

A. 0.100 mm B. 0.125 mm C. 0.150 mm D. 0.180 mm

1731. Which among the following is an example of high shear mixer:

Pharmaceutical Engineering • Mixing • GPAT 2023

A. Sigma blade mixer B. Turbine mixer C. Jet mixer D. Nauta mixer

1732. Statement 1: Vortex formation can be minimized by push pull mechanism. Statement 2: Vortex formation reduces the mixing intensity by increasing the velocity of impeller.

Pharmaceutical Engineering • Mixing and Size Reduction • GPAT 2023

A. True, False B. True, True C. False, False D. False, True

1733. Which equipment is based on the principle of Pohlman liquid whistle?

Pharmaceutical Engineering • Mixing and Size Reduction • GPAT 2023

A. Ultrasonifier B. Mechanical stirrer C. Silverson homogeniser D. Colloid mill

1734. Which is not a fundamental factor for selecting a pharmaceutical/chemical plant location:

Pharmaceutical Engineering • Plant location factors • GPAT 2023

A. Soil B. Market for products C. Labor supply D. Raw materials

1735. Light-directed synthesis on silica wafers is part of:

Pharmaceutical Engineering • Process Development & Combinatorial Chemistry • GPAT 2023

A. Bulk synthesis B. Combinatorial synthesis C. Asymmetric synthesis D. Inorganic synthesis

1736. Which of the following is the correct sequence for particle size measurement techniques? (a) Sieve, (b) Anderson Pipette, (c) Coulter counter, (d) Light scattering

Pharmaceutical Engineering • Size Reduction and Mixing • GPAT 2023

A. a. b. c, d B. b, d, c, a C. a, c, b, d D. d, a, c, b

1737. Ri Hingers hypothesis relates to

Pharmaceutical Engineering • Size Reduction and Mixing • GPAT 2023

A. Energy used in size reduction and new surface area produced B. New surface area produced and equivalent shape C. Energy used in size reduction and equivalent shape D. Energy used in size reduction and Reynolds number

1738. Which of the following mills is based on the mechanism of impact and attrition for size reduction:

Pharmaceutical Engineering • Size Reduction and Mixing • GPAT 2023

A. Roller mill B. Colloid mill C. Hammer mill D. Fluid energy mill

1739. Testing of chemicals by OECD guideline No. 420 refers to which of the following:

Pharmaceutical Jurisprudence • Acute toxicity test methods • GPAT 2023

A. Acute oral toxicity by acute toxic class method B. Acute oral toxicity by up and Down procedure C. Repeated dose 28-day toxicity study in rodents D. Acute oral toxicity by fixed dose procedure

1740. Testing of chemicals by OECD guideline No. 420 refers to which of the following:

Pharmaceutical Jurisprudence • Acute toxicity test methods • GPAT 2023

A. Acute oral toxicity by acute toxic class method B. Acute oral toxicity by up and Down procedure C. Repeated dose 28-day toxicity study in rodents D. Acute oral toxicity by fixed dose procedure

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Pharmaceutical Engineering PYQs – Set 87

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