CIE Automotive CNC Turning Operator Interview Questions and Answers

The least count of a Vernier caliper is the smallest measurement that can be read on the scale.

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

• It is calculated by dividing the smallest division on the main scale by the total number of divisions on the Vernier scale.

• For example, if the smallest division on the main scale is 0.1 mm and the total number of divisions on the ...read more

The least count of a micrometer is the smallest measurement that can be read on the micrometer scale.

• The least count is determined by the number of divisions on the micrometer scale and the pitch of the screw.

• It is usually expressed in micrometers or millimeters.

• For example, if a micrometer has 50 divisions on the scale and the pitch of the screw is 0.5 mm, the least count would be 0.01 mm (0.5 mm / 50 divisions).

Tolerance refers to the allowable variation or deviation from a specified dimension or value.

• Tolerance is important in manufacturing to ensure that parts and components fit together properly.

• It is expressed as a range or limit within which a dimension or value can vary.

• Tolerance can be specified for various parameters such as size, shape, weight, temperature, etc.

• For example, if a machine part has a tolerance of ±0.1mm...read more

The least count of a vernier calliper and micrometre refers to the smallest measurement that can be accurately read on the instrument.

• The least count of a vernier calliper is typically 0.02 mm or 0.001 inches.

• The least count of a micrometre is typically 0.01 mm or 0.001 inches.

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

• For example, if the main scale has divisions of...read more

There are several types of welding, including MIG, TIG, Stick, and Flux-Cored welding.

• MIG welding uses a wire electrode and a shielding gas to join two pieces of metal together.

• TIG welding uses a tungsten electrode and a filler metal to create a strong bond between two metals.

• Stick welding uses a consumable electrode coated in flux to create an arc and join two metals together.

• Flux-Cored welding uses a wire electrode w...read more

Arc welding uses an electric arc to melt and join metals, while spot welding uses pressure and heat to join two metal surfaces.

• Arc welding involves creating an electric arc between an electrode and the metal being welded, which melts the metal and fuses it together.

• Spot welding involves applying pressure and heat to two metal surfaces, which creates a small weld at the point of contact.

• Arc welding is typically used for...read more