Design Trainee
Design Trainee Interview Questions and Answers
Q1. What is Histrasis? What is viscosity?
Histrasis is the property of a material to resist change in shape or size under stress. Viscosity is the measure of a fluid's resistance to flow.
Histrasis is important in materials science and engineering as it determines the strength and durability of materials.
Viscosity is important in fluid mechanics and is measured in units such as poise or centipoise.
Examples of high viscosity fluids include honey and molasses, while low viscosity fluids include water and gasoline.
Viscos...read more
Q2. What is thermodynamics process,
Thermodynamics process involves the study of energy transfer and conversion in physical systems.
It deals with heat, work, and energy interactions in systems.
Examples include heat engines, refrigerators, and air conditioners.
First law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.
Second law of thermodynamics states that entropy in a closed system will always increase over time.
Design Trainee Interview Questions and Answers for Freshers
Q3. Design Parameter of any Tool
Design parameter of a tool refers to the specific characteristics or features that determine its functionality and performance.
Design parameters include dimensions, materials, weight, and ergonomics.
For example, in the design of a hammer, the length and weight of the handle, the shape and hardness of the head, and the grip design are all important parameters.
Other parameters may include durability, ease of use, safety features, and cost-effectiveness.
Design parameters are cru...read more
Q4. What is the third angle
The third angle is the angle that completes a triangle when the measures of the other two angles are known.
The sum of the three angles in a triangle is always 180 degrees.
To find the third angle, subtract the measures of the other two angles from 180 degrees.
For example, if one angle is 60 degrees and another angle is 40 degrees, the third angle would be 180 - 60 - 40 = 80 degrees.
Q5. What is flight dynamics
Flight dynamics is the study of the movement of an aircraft in three-dimensional space, including its stability, control, and response to external forces.
Flight dynamics involves the analysis of aerodynamics, propulsion, and aircraft structures.
It includes studying how an aircraft responds to control inputs, such as pitch, roll, and yaw.
Understanding flight dynamics is crucial for designing safe and efficient aircraft.
Examples of flight dynamics principles include lift, drag,...read more
Q6. What is stress and strain
Stress is the force applied to a material, while strain is the resulting deformation or change in shape.
Stress is measured in force per unit area (e.g. N/m^2 or Pascals)
Strain is a dimensionless quantity representing the amount of deformation
Stress and strain are related by the material's elastic modulus, which describes how much a material will deform under a given amount of stress
Example: Stretching a rubber band causes stress on the material, resulting in strain as the ban...read more
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Q7. Cmm least count number?
The Cmm least count number refers to the smallest measurement that can be accurately determined by a Coordinate Measuring Machine (CMM).
The least count number is determined by the resolution of the CMM's measuring system.
It represents the smallest increment that can be detected by the CMM.
For example, if the CMM has a least count of 0.001 mm, it means that it can accurately measure differences of 0.001 mm or larger.
The least count number is important for ensuring precision an...read more
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