Junior CAD Engineer Interview Questions and Answers

Count pairs in array with sum x

• Iterate through array and store complements in a set

• Check if current number is in set, increment count if so

• Handle duplicates by using a map to store frequency of numbers

The question is asking the candidate to differentiate between a circle (c) and a line (l) in CAD software.

• A circle is a closed shape with all points equidistant from the center

• A line is a straight path connecting two points

• In CAD software, circles are typically represented by the letter 'c' and lines by the letter 'l'

Casting is a manufacturing process in which a liquid material is poured into a mold, allowed to solidify, and then removed to create a solid object.

• Liquid material is poured into a mold

• Material solidifies to form the desired shape

• Solid object is removed from the mold

• Common examples include metal casting for automotive parts and plastic casting for toys

The angle of projection refers to the angle at which an object is launched or thrown into the air.

• The angle of projection affects the range and height of the projectile.

• A 45-degree angle of projection will result in the maximum range for a given initial velocity.

• Different angles of projection will result in different trajectories for the projectile.