Ashwath and Co Interview Questions and Answers

The least count of a Vernier Calliper and Micrometer refers to the smallest measurement that can be accurately read on the respective instruments.

• The least count of a Vernier Calliper is typically 0.02 mm or 0.001 inch.

• The least count of a Micrometer is usually 0.01 mm or 0.001 inch.

• The least count is determined by the number of divisions on the main scale and the Vernier scale of the instrument.

• For example, if a Vernier Calliper has 20 divisions on the main scale and 10 divi...read more

CNC stands for Computer Numerical Control.

• CNC is a manufacturing process that uses computerized controls to operate and manipulate machine tools.

• It involves the use of pre-programmed software to control the movement and operation of the machines.

• CNC machines are widely used in various industries, including automotive, aerospace, and electronics.

• Examples of CNC machines include CNC mills, lathes, routers, and plasma cutters.

G-codes are commands used to control CNC machines. They are used to control movement, speed, and other machine functions.

• G00 - Rapid positioning

• G01 - Linear interpolation

• G02 - Circular interpolation (clockwise)

• G03 - Circular interpolation (counterclockwise)

• G04 - Dwell

• G20 - Inch mode

• G21 - Metric mode

• G28 - Return to home position

• G90 - Absolute programming

• G91 - Incremental programming

VMC stands for Vertical Machining Center.

• VMC is a type of milling machine used for precision machining of parts.

• It has a vertically oriented spindle that holds the cutting tool.

• The workpiece is clamped on a table that can be moved in multiple axes.

• VMCs are commonly used in industries like automotive, aerospace, and mold making.

• They are capable of performing various operations like drilling, milling, and tapping.

There are 2.54 centimeters in an inch.

• 1 inch is equal to 2.54 centimeters.

• To convert inches to centimeters, multiply the number of inches by 2.54.

• To convert centimeters to inches, divide the number of centimeters by 2.54.