KTU Exam MCQ Bank

    MCQ Set with Explanations Properties of Fluids 1. The ratio of mass of a fluid to its volume: A) Weight density B) Density C) Specific volume D) Specific gravity Answer: B Explanation: Density or mass density is defined as the ratio of the mass of fluid to its volume. 2. Volume of fluid occupied by a unit mass is called: A) Density B) Specific gravity C) Specific Volume D) Surface tension Answer: C Explanation: Specific Volume is defined as the v olume of fluid occupied by a unit mass or volume per unit mass of the fluid. 3. The SI unit of dynamic viscosity is: A) m²/s B) N·s/m² C) kg/m³ D) Pa Answer: B Explanation: Dynamic viscosity is measured in N·s/m² (also written as Pa·s). 4. Kinematic viscosity is defined as: A) Dynamic viscosity × density B) Dynamic viscosity / density C) Density / dynamic viscosity D) Specific gravity × dynamic viscosity Answer: B Explanation: ν = μ / ρ , where ν is kinematic viscosity. 5. Surface tension is caused by: A) Gravity B) C...

 KTU-Civil-CET308-Answer key-December 2025   The KTU Civil Engineering CET308 – Fluid Mechanics examination conducted in December 2025  by APJ Abdul Kalam Technological University,Kerala, assessed students on core concepts such as Fluid properties, Hydrostatics, Kinematics, dynamics and Flow through pipes and channels.  This answer key provides accurate, exam‑oriented solutions to all questions, helping students verify their responses and understand the correct approach.  It is designed to support quick revision, clarify common mistakes, and strengthen conceptual understanding for future university and competitive exams. Are you Interested? Watch more videos on 

  “Fluid Mechanics MCQs – Beginner to Intermediate Level” Fluid Mechanics is a core subject in Civil and Mechanical Engineering, forming the foundation for hydraulics, pipe flow, open channel flow, and fluid machinery.  The following MCQs are designed for KTU‑level exams and competitive tests. --------------------------------------------------------------------------- 1. The density of water at 4°C is approximately: A) 900 kg/m³ B) 1000 kg/m³ C) 1200 kg/m³ D) 1500 kg/m³ Answer: B Explanation: Water has maximum density at 4°C, around 1000 kg/m³. 2. The ratio of specific weight to density is: A) Pressure B) Kinematic viscosity C) Acceleration due to gravity D) Dynamic viscosity Answer: C Explanation: γ / ρ = g . 3. Pascal’s law applies to: A) Gases only B) Liquids only C) Fluids at rest D) Fluids in motion Answer: C Explanation: Pascal’s law states that pressure applied to a confined fluid is transmitted equally in all directions. 4. The unit of dynamic viscosity in SI is...