If your IGNOU BSCAEY Term End exam is scheduled for 2026 or later, the BEY 003 Question Paper December 2025 is one of the most practical revision tools you can rely on. This is the actual paper conducted by IGNOU in December 2025, which means the question style, numerical pattern and topic weightage match what your own exam will look like. Our solved version helps you handle both theory and numericals with clear steps in one focused PDF.
About This Solved Paper
| Prepared by | Unnati Education, IGNOU-experienced academic content writer |
|---|---|
| Subject expert qualification | Graduate team with specialisation in Fluid Mechanics and Applied Mechanics |
| Programme | IGNOU Bachelor of Science Applied Science Energy (BSCAEY) |
| Institution Reference | IGNOU December 2025 Term-End Examination |
You can download the BEY 003 Solved Question Paper December 2025 directly from this page as a clean PDF file. It opens on any mobile or laptop, which helps if you need to revise numericals during commute or short breaks. Most BSCAEY students notice that practicing the actual paper with worked out steps is far more productive than just reading the textbook units or browsing random YouTube playlists on fluid mechanics.
What is BEY 003 Question Paper December 2025 Definition
The BEY-003 December 2025 question paper is the official IGNOU Term End Examination paper for Fluid Mechanics, conducted in December 2025 for BSCAEY students. It carries 70 marks, runs for three hours, and asks you to attempt any seven questions of equal marks with a scientific calculator allowed.
The paper tests your grip on fluid mechanics as a subject. You are expected to handle properties of fluids, buoyancy, continuity equation, Bernoulli based numericals, pipe flow losses, water hammer, aerofoil lift and similarity laws. The paper balances theory, comparison questions, short notes and core numerical problems very evenly.
About IGNOU BEY-003 Fluid Mechanics
BEY 003 is a core paper in the IGNOU BSCAEY programme. It builds the fluid mechanics foundation that later supports energy, hydraulic and thermal systems. The course covers fluid properties, hydrostatics, buoyancy, floating body stability, kinematics, continuity, Bernoulli equation, pipe flow and losses, water hammer, aerofoil lift, dimensional analysis, similarity and model study. Students who treat numericals as the main scoring area, while keeping theory crisp, usually perform better in the final evaluation.
BEY 003 Question Paper December 2025 Exam Pattern and Marks Breakdown (BEY-003 December 2025 Question Paper)
The paper runs for 3 hours and carries 70 marks in total. There are ten questions in the paper, and you are required to attempt any seven of them. All questions carry equal marks, which means each question is worth 10 marks. The paper does not have separate sections. Use of a scientific calculator is permitted, and you are allowed to assume missing data suitably. Smart selection between numericals, theory and short notes is important on exam day.
All Questions BEY 003 Question Paper December 2025 IGNOU (Complete List)
Below is the full paper exactly as it appeared in the IGNOU Term End Examination December 2025. The attached PDF shows the original paper with proper engineering formatting.
Note: Attempt any seven questions. All questions carry equal marks. Use of scientific calculator is permitted. Assume missing data suitably, if any.
Question 1 (10 marks)
(a) With the help of examples, explain viscosity in fluids. (5)
(b) Determine the bulk modulus of elasticity of liquid which is compressed in a cylinder from a volume of 0.0135 m3 at 80 N/cm2 to a volume of 0.0134 m3 at 150 N/cm2. (5)
Question 2 (10 marks)
(a) Define Buoyant Force. What fraction of an iceberg would be above the free surface in the ocean, if the density of ice is 92 kg/m3 and density of sea water is 1030 kg/m3? (5)
(b) With help of neat sketches, discuss the stability of floating bodies. (5)
Question 3 (10 marks)
Two velocity components are given below. Find the third component such that they satisfy the continuity equation: (5+5)
(a) u = x3 + y2 + 2z2; v = –x2y – yz – xy
(b) u = log (y2 + z2); v = log (x2 + z2)
Question 4 (10 marks)
A 0.3 m pipe carries water at a velocity of 24.4 m/sec. At points A and B, measurements of pressure were 361 kN/m2 and 288 kN/m2, elevations at A and B were 30.5 m and 33.5 m respectively. For steady flow, find the loss of head between A and B.
Question 5 (10 marks)
With the help of suitable examples, differentiate between the following: (2.5 x 4 = 10)
(a) Orifice and Nozzle
(b) Newtonian fluid and Non-Newtonian fluid
(c) Compressible fluid and Incompressible fluid
(d) Static pressure and Dynamic pressure
Question 6 (10 marks)
(a) Discuss the causes of resistance experienced by a ship moving through water. (5)
(b) With the help of neat sketches, explain three types of similarity. (5)
Question 7 (10 marks)
Describe water hammer in pipes. Discuss pressure head due to water hammer for the following cases:
(a) Gradual closure of valve
(b) Instantaneous closure of valve
Question 8 (10 marks)
With the help of neat diagrams, discuss lift on aerofoil.
Question 9 (10 marks)
Discuss head loss in pipe fittings
(a) in gradual transition and
(b) due to sudden contraction. (5+5)
Question 10 (10 marks)
Write short notes on any four of following: (2.5 x 4 = 10)
(a) Newton's law of viscosity (b) Eddy viscosity (c) Dimensional homogeneity (d) Flow net (e) Path line and streak line
BEY 003 Question Paper December 2025 Syllabus Topics Covered
The paper maps cleanly to the BEY 003 syllabus. You see fluid properties, viscosity and bulk modulus on the hydrostatics side. Buoyancy and floating body stability, continuity equation and kinematics are tested through direct numericals and theory. Bernoulli based head loss problem covers energy principles. Fluid types like Newtonian, non Newtonian, compressible and incompressible are compared directly. Pipe flow losses, water hammer, aerofoil lift and similarity laws round off the paper. Short notes cover flow net, path line, streak line and dimensional homogeneity.
Sample Answer Preview BEY-003 Fluid Mechanics Solved Question Paper Explanation
Take Question 1 b on bulk modulus. A weak answer plugs numbers without showing units. A scoring answer first writes the bulk modulus formula, K equals minus dP by dV over V. Then it converts pressure from N per cm square to N per m square, computes change in volume, and substitutes carefully. The final answer is given in N per m square with proper sign. Our solved paper shows every step with clean working and units, so you can reproduce the method in your own exam.
How to Write High-Scoring Answers in BEY 003 Question Paper December 2025
Start each 10 mark theory answer with a short definition or opening paragraph. For numericals, always write given data, required quantity, formula, substitution, answer and unit, in that order, because IGNOU awards marks for method, not only the final number. Use labelled sketches for floating body stability, similarity types, aerofoil lift and pipe transition. Convert units into SI before substitution. Attempt short notes in Question 10 only if you are fully confident, since four parts eat time. End with a short conclusion where possible.
Who Should Use This BEY-003 Solved Question Paper December 2025?
This solved paper is made for IGNOU BSCAEY students appearing in June 2026, December 2026 or later Term End cycles. It also helps reappear candidates, backlog students clearing BEY 003, and working professionals from hydraulic, HVAC, oil and gas, power plant and pump manufacturing companies who have joined BSCAEY as a career skill. If you are juggling shift duty, family and studies, this paper gives you a focused, time saving way to prepare without reopening every unit again.
Why This is Better Than Free BEY-003 December 2025 Question Paper PDFs and Telegram Files
Free PDFs on Telegram and random blog sites often have wrong numerical answers, missing units, or incomplete theory that does not match IGNOU BSCAEY style. Some files skip the water hammer question entirely. Others give two lines for a 10 mark Bernoulli problem, which will clearly not score. Our solved paper is written by a subject expert, checked against the official December 2025 paper, and formatted in proper engineering answer style. You save preparation time, protect your marks, and revise with real confidence.
Student Reviews BEY-003 Solved Question Paper by Unnati Education
Vikas from Kanpur, working in a pump manufacturing company, said the water hammer answer matched the real field problems he sees in long pipelines every day. Pallavi from Noida told us the Bernoulli head loss numerical was solved exactly in the step by step format her college tutor preferred during revision. Rahul, a first time BSCAEY learner from Ranchi, wrote that the aerofoil lift and similarity answers with sketches finally made aerodynamics feel much clearer and exam ready.
How to Get the BEY-003 Solved Question Paper December 2025 Step by Step
First, click the download button at the top of this page. Second, complete the quick checkout, it takes less than a minute. Third, the solved PDF reaches your email instantly, and it is also saved inside your Unnati Education account dashboard. Fourth, open it on phone or laptop and revise question by question. If you face any trouble with download or payment, our support team replies quickly on WhatsApp and email.
Frequently Asked Questions BEY 003 Question Paper December 2025 IGNOU
Is this the official IGNOU BEY 003 December 2025 paper?
Yes, this is the actual Term End Examination paper conducted by IGNOU in December 2025 for BEY 003 under the Bachelor of Science Applied Science Energy BSCAEY programme. Every question on this page is reproduced exactly as it appeared in the official paper, which makes it a reliable source for your 2026 exam preparation and for any future Term End attempt you may plan later in your studies.
Will this paper help me for my 2026 exam?
It will help you strongly. IGNOU often repeats question themes in BEY 003, especially on viscosity, bulk modulus, buoyancy, continuity equation, Bernoulli head loss, water hammer and aerofoil lift. By practicing the December 2025 paper with solved answers, you understand the examiner style, the expected length for a 10 mark question, and how to structure both theory answers and numericals for full marks in your own Term End exam.
Are numerical problems fully solved with steps?
Yes. Numerical questions, such as bulk modulus in Question 1, iceberg fraction in Question 2, continuity equation in Question 3 and Bernoulli head loss in Question 4, are solved completely. We first list given data, convert units to SI, write the relevant formula, substitute values carefully, and finish with the final answer in correct units. Every step is explained in plain language, so you can follow the method and apply it to similar problems in your exam.
Can I use this for my BEY 003 assignment too?
You can use it as a strong reference while writing your BEY 003 assignment, especially on topics like viscosity, buoyancy, Bernoulli equation, water hammer and aerofoil lift. We recommend you rewrite the ideas and redo the calculations in your own style, because IGNOU checks BSCAEY assignments for originality. Treat this solved paper as a study guide and a model answer set, not a direct copy source for your final assignment submission in this subject.
Is the download instant after payment?
Yes, delivery is instant. Once your payment is confirmed, the BEY 003 solved question paper PDF is sent to your registered email and also saved inside your Unnati Education account dashboard. You can open it on mobile, tablet or laptop, and there is no limit on how many times you download, print or revise the paper during your BSCAEY preparation journey in any upcoming Term End exam cycle.
About Unnati Education IGNOU Study Material Experts
Unnati Education is an academic resource platform built for IGNOU students across India. Our team includes graduates, postgraduates, engineers and subject mentors who have personally handled IGNOU coursework. We prepare solved question papers, handwritten assignments and revision notes in student friendly language. Our focus is simple, we want you to stop depending on unreliable free files and start preparing with material you can actually trust during your exam cycle.
Explore More IGNOU BEY-003 Solved Papers and Study Material
You can also explore BEY 003 solved assignments, previous year question papers from June and December cycles, important questions lists, and short revision notes on our website. Together, these resources give you a complete preparation package for Fluid Mechanics, from the first reading of the course to your final revision the night before your IGNOU BSCAEY Term End examination.