Junior Research and Development Engineer Interview Questions and Answers

The program should count the occurrence of each character in the given string and print the character along with its count.

• Create a dictionary to store the count of each character in the string.

• Iterate through the string and update the count of each character in the dictionary.

• Iterate through the string again and print each character along with its count from the dictionary.

Check if a string is a rotation of another string.

• Concatenate the first string with itself and check if the second string is a substring of the concatenated string.

• If the length of the strings is not equal, return false.

• If the strings are identical, return true.

• Example: 'waterbottle' is a rotation of 'erbottlewat'.

1st angle and 3rd angle are two different methods of representing orthographic projections in engineering drawings.

• 1st angle projection is commonly used in Europe and Asia, where the object is imagined to be in the first quadrant (top right) of the coordinate system.

• 3rd angle projection is commonly used in North America, where the object is imagined to be in the third quadrant (bottom right) of the coordinate system.

• In 1st angle projection, the top view is placed above the fr...read more

Manufacturing processes are the steps through which raw materials are transformed into finished products.

• Manufacturing processes involve a series of steps such as casting, molding, machining, welding, and assembly.

• Each process is designed to achieve specific goals like shaping, joining, or finishing the product.

• Examples include injection molding for plastic parts, CNC machining for precision components, and welding for joining metal pieces.