Shree Balaji Engineering Works Quality Engineer Interview Questions, Process, and Tips for Freshers

A lathe machine rotates a workpiece on its axis to perform various operations such as cutting, drilling, and sanding.

• The workpiece is held in place by a chuck or collet while a cutting tool is moved along the workpiece to remove material.

• The cutting tool can be controlled manually or by a computer numerical control (CNC) system.

• Lathe machines can be used to create a variety of shapes, including cylinders, cones, and sp...read more

To calculate the weight of iron using density, multiply the volume of iron by its density.

• Determine the volume of the iron object

• Find the density of iron

• Multiply the volume by the density to get the weight

The formula to calculate weight is mass times gravity.

• Weight is the force exerted on an object due to gravity.

• The standard unit of weight is Newtons (N).

• The formula is W = m x g, where W is weight, m is mass, and g is acceleration due to gravity.

• For example, the weight of a 10 kg object on Earth (g = 9.81 m/s^2) is W = 10 kg x 9.81 m/s^2 = 98.1 N.

CNC machines use computer programs to control the movement of cutting tools and workpieces.

• CNC stands for Computer Numerical Control

• The machine reads instructions from a computer program and moves the cutting tool accordingly

• CNC machines can be used for cutting, drilling, milling, and other operations

• They are commonly used in manufacturing and fabrication industries

• Examples of CNC machines include lathes, routers, and

Moment of inertia is the measure of an object's resistance to rotational motion.

• Moment of inertia depends on the mass and distribution of mass of an object.

• It is calculated using the formula I = mr^2, where m is the mass and r is the distance from the axis of rotation.

• Objects with a larger moment of inertia require more torque to rotate.

• Examples include a spinning top, a rotating wheel, and a pendulum.

• Moment of inertia...read more

Electric welding is a process of joining two metal pieces together using an electric arc.

• Electric current is passed through an electrode which creates an arc between the electrode and the metal pieces to be joined.

• The heat generated by the arc melts the metal pieces and fuses them together.

• Different types of electric welding include MIG, TIG, and Stick welding.

• Electric welding is commonly used in industries such as con