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10+ Nyagatare Agro Ventures Rwanda Interview Questions and Answers
Q1. Stress Strain curve, What will happen if you use petrol in diesel engine and Diesel in petrol engone.
Using petrol in diesel engine and diesel in petrol engine can cause serious damage to the engine.
Petrol in diesel engine can cause knocking, damage to fuel pump and injectors, and clog the fuel filter.
Diesel in petrol engine can cause incomplete combustion, damage to spark plugs and catalytic converter, and clog the fuel system.
It is important to always use the correct fuel for the engine to avoid costly repairs and potential safety hazards.
Q2. What is design considerations to mske while designing a Part?
Design considerations for a part
Functionality and purpose of the part
Material selection based on properties and manufacturing process
Cost-effectiveness and feasibility of production
Ease of assembly and maintenance
Environmental impact and sustainability
Compliance with regulations and standards
Aesthetics and user experience
Q3. What types of modules are present in Creo environment.
Creo environment has various modules for different design tasks.
Creo Parametric for 3D modeling
Creo Simulate for simulation and analysis
Creo Illustrate for technical illustrations
Creo Schematics for creating electrical schematics
Creo View for viewing and sharing CAD files
Creo Direct for direct modeling
Creo Layout for 2D layout design
Creo Options Modeler for managing design configurations
Q4. What is tolerance and why it is required?
Tolerance is the allowable variation in a dimension or property of a product or component.
Tolerance ensures that a product or component will function properly and fit with other parts
It helps to control the manufacturing process and reduce costs
Tolerance can be specified for dimensions, materials, and other properties
Examples include the tolerance for the diameter of a shaft or the hardness of a metal
Tolerance can be expressed as a range or a specific value
Q5. What are the principles of fixture designing?
Principles of fixture designing involve ensuring accuracy, repeatability, accessibility, and safety.
Design fixtures to hold the workpiece securely and accurately
Ensure repeatability by designing fixtures that can be easily replicated
Make fixtures easily accessible for loading and unloading of workpieces
Ensure safety by designing fixtures that prevent accidents and injuries
Consider factors such as material selection, cost, and manufacturing processes
Examples include jigs, clam...read more
Q6. Basic engineering Strength of material Sheetmetal
Strength of material and sheet metal are basic engineering concepts that deal with the properties and behavior of materials.
Strength of material involves understanding how materials respond to external forces and stresses, and designing structures that can withstand those forces.
Sheet metal is a thin, flat metal that is used in a variety of applications, such as in the construction of buildings, automobiles, and appliances.
Sheet metal fabrication involves cutting, bending, an...read more
Q7. Types of engines functioning of different types of comparisons
Different types of engines have varying functions and comparisons, such as internal combustion engines vs electric motors.
Internal combustion engines use fuel combustion to generate power, while electric motors use electricity.
Diesel engines are more fuel efficient than gasoline engines.
Turbocharged engines provide more power by compressing air before it enters the combustion chamber.
Hybrid engines combine internal combustion engines with electric motors for improved efficien...read more
Q8. What is stress and type stresses
Stress is a force that causes deformation in a material. Types include tensile, compressive, shear, and torsional stresses.
Stress is a force applied to a material that causes it to deform.
Tensile stress occurs when a material is being pulled apart.
Compressive stress occurs when a material is being pushed together.
Shear stress occurs when a material is being pushed in opposite directions.
Torsional stress occurs when a material is being twisted.
Q9. Aerodynamic forces on wing and types drags
Aerodynamic forces on wing include lift and drag. Types of drag include parasite drag, induced drag, and wave drag.
Aerodynamic forces on a wing include lift (upward force) and drag (backward force)
Types of drag include parasite drag (caused by form and skin friction), induced drag (caused by lift), and wave drag (caused by supersonic flight)
Parasite drag can be reduced by streamlining the aircraft's shape
Induced drag can be reduced by increasing aspect ratio or using winglets...read more
Q10. What are types of gd&t symbols
Types of GD&T symbols include position, concentricity, perpendicularity, parallelism, and more.
Position
Concentricity
Perpendicularity
Parallelism
Circularity
Cylindricity
Profile of a line
Profile of a surface
Symmetry
Runout
Q11. Diffferent types of controls on aircraft
Different types of controls on aircraft include primary flight controls, secondary flight controls, and auxiliary flight controls.
Primary flight controls: control yoke, pedals, and throttle for pitch, roll, and yaw
Secondary flight controls: flaps, slats, spoilers for lift and drag
Auxiliary flight controls: trim tabs, leading edge devices for fine adjustments
Q12. What is flatness
Flatness refers to the condition of a surface having no deviations or variations from a perfectly flat plane.
Flatness is a measure of how closely a surface approaches a perfect plane.
It is often specified in engineering drawings to ensure proper fit and function of parts.
Flatness can be measured using tools such as straight edges, surface plates, or coordinate measuring machines.
Examples of flatness requirements include the surface of a table, a mirror, or a machined part.
Q13. What is parallelism
Parallelism is the concept of performing multiple tasks simultaneously or in parallel.
Parallelism can be achieved through multi-threading, multi-processing, or distributed computing.
It helps in improving performance and efficiency by utilizing available resources effectively.
Examples include running multiple applications at the same time on a computer, or executing multiple instructions simultaneously in a processor.
Q14. Star delta circuits symbols
Star delta circuits symbols represent the connections used in motor control circuits.
Star symbol (Y) represents the connection of three windings in a star configuration
Delta symbol (Δ) represents the connection of three windings in a delta configuration
The star-delta starter is a common application of these symbols in motor control circuits
Q15. IC vs EC engine
IC engines use internal combustion to generate power, while EC engines use external combustion.
IC engines have combustion happening inside the engine, like in a car engine.
EC engines have combustion happening outside the engine, like in a steam engine.
IC engines are more common in vehicles due to their efficiency and power output.
EC engines are less common but can be more fuel-flexible and environmentally friendly.
Examples of IC engines: gasoline engines, diesel engines.
Examp...read more
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