BTEC HND Level 3 Unit 1: Engineering Principles assignments answers

There are a few engineering principles that are worth mentioning when it comes to chocolate. The first is that chocolate is a hygroscopic material, which means it absorbs and holds water. For this reason, it’s important to keep chocolate in a cool, dry place where it will not be exposed to moisture. If the chocolate becomes too moist, it can develop a whitish film on the surface and an off-flavor.

Another important principle is that chocolate is an oxidation-sensitive material. This means that it can quickly become rancid if not stored properly. Rancidity develops when the fatty acids in the cocoa butter start to break down, and it produces an unpleasant taste and smell. To minimize rancidity, it is important to keep chocolate at temperatures below 45 degrees Celsius.

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Assignment Task 1: Recall basic engineering principles and mathematical methods and formulae.

A fundamental principle governing the behavior of all engineering systems is the conservation of mass. In any closed system, the total mass of the system remains constant. This law applies to both solids and fluids.

For a fluid system, there are two basic types of analysis that can be performed: static and dynamic. The static analysis considers only the forces acting on a body at rest, while dynamic analysis takes into account the forces acting on a body in motion. Newton’s second law of motion states that the force F applied to a body is equal to the product of its mass m and acceleration a: F = ma.

In order to calculate displacement (Δx), velocity (v), or acceleration (a), we need to know the mass (m) and dimensions (L, H, W) of the object. The most common units used for mass are kilograms (kg) and pounds (lb). Dimensions are typically measured in meters (m), centimeters (cm), or millimeters (mm).


Δx = vt

v = Δx/t

a = Δv/t2

Assignment Task 2: Perform mathematical procedures to solve engineering problems.

Mathematical procedures can be used to solve a wide range of engineering problems. By using mathematical models, engineers can more accurately predict how a structure or system will behave under certain conditions. This helps them to design and test new products and systems more efficiently, and to troubleshoot issues with existing ones.

There are many different types of mathematical procedures that can be used in engineering, depending on the problem at hand. Some common methods include linear algebra, calculus, differential equations, and numerical analysis. Each has its own strengths and weaknesses, so it’s important for engineers to be familiar with all of them.

Through experience and continual learning, engineers become better able to select the most appropriate mathematical procedures for solving specific problems. This leads to a better understanding of the underlying theory, enables safer and more efficient operation of their products, and positively affects their careers.

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Assignment Task 3: Demonstrate an understanding of electrical, electronic, and mechanical principles to solve engineering problems.

The three basic principles of electricity, electronics, and mechanics are voltage, current, and resistance. In a circuit, voltage is the push or energy that makes current flow. Current is the flow of electrons through a conductor (like metal). Resistance is anything that resists the flow of electrons (like a resistor).

In an electronic device like a transistor, voltage is applied to the base to turn the transistor on. This causes the current to flow from the collector to the emitter. The transistor amplifies this current and can switch it on and off very quickly. This makes it possible to create digital signals with just two states: on and off.

In a mechanical system like an engine, torque is applied to the crankshaft to apply pressure against a rotating pulley. This force makes the wheels spin faster, resulting in forward motion. Increases in engine speed cause resistance to work harder. The vehicle slowdown due to friction slows the drivetrain, which creates force on the crankshaft that turns it at a lower speed with less mechanical work.

Assignment Task 4: Analyse information and systems to solve engineering problems.

An engineer is someone who analyses information and systems to solve engineering problems. Engineers use their knowledge of mathematics, science, and engineering to develop new technologies and solutions to problems. They work in a variety of industries, including manufacturing, construction, telecommunications, and aerospace.

Engineers need strong problem-solving skills and creativity to come up with innovative solutions. They also need analytical skills to evaluate information and systems accurately. In order to be successful, engineers must be able to think critically and communicate effectively with others.

The study of mathematics, science, and engineering helps engineers think critically about the problems they work on. They also help engineers become analytical by giving them technical skills to understand the information they are given and to evaluate it. All of this improves creative thinking because a creative solution requires well-reasoned design and carefully presented ideas. Creative solutions involve a novel idea that relies on an engineer’s own vision and expertise.

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Assignment Task 5: Integrate and apply electrical, electronic, and mechanical principles to develop an engineering solution.

Electrical engineers design and develop electrical equipment, such as motors, generators, communication systems, and power distribution systems. Electronic engineers design and develop electronic equipment, such as computers and digital circuits. Mechanical engineers design and develop mechanical equipment, such as engines and heating/ventilation/air-conditioning (HVAC) systems. All three types of engineers must integrate their knowledge of electrical, electronic, and mechanical principles to produce working systems.

One of the main challenges for all engineers is system integration. This involves integrating the various subsystems that make up a complete system in a way that meets the customer’s or end user’s needs. For example, an electrical engineer might be asked to design a motor that operates within certain performance parameters and meet electrical and power requirements. Different systems will have different requirements, which requires you to work with experts in those different areas. There are lots of numbers, equations, etc that your average engineering graduate has just never learned and doesn’t need.

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