Tata Power Solar Field Quality Engineer Interview Questions and Answers

The torque value of an M20 bolt in dry condition and grade 9.2 is typically around 420 Nm.

• The torque value for a specific bolt can vary based on factors such as lubrication, thread condition, and material composition.

• For an M20 bolt with grade 9.2, the recommended torque value is usually in the range of 400-450 Nm.

• It is important to consult the manufacturer's specifications or a torque chart for the exact value based on the specific conditions.

There are several types of bearings used in various applications, including ball bearings, roller bearings, plain bearings, and fluid bearings.

• Ball bearings

• Roller bearings

• Plain bearings

• Fluid bearings

Calibration is the process of comparing measurements of an instrument or device to a known standard to ensure accuracy.

• Calibration involves adjusting the instrument or device to align with the standard

• It is important for maintaining accuracy and reliability of measurements

• Calibration is typically done regularly to ensure consistent performance

• Examples include calibrating thermometers, scales, and pressure gauges

A serrated washer is a type of washer with serrations on one side to prevent loosening of the fastener.

• Serrated washers have teeth or ridges on one side to grip the surface and prevent rotation or loosening

• They are commonly used in applications where vibration may cause regular washers to loosen

• Serrated washers are available in various materials such as steel, stainless steel, and nylon

The percentage of carbon in MS (mild steel) typically ranges from 0.05% to 0.25%.

• Percentage of carbon in MS (mild steel) is usually between 0.05% to 0.25%.

• Carbon content affects the strength and hardness of the steel.

• Higher carbon content results in harder but more brittle steel.

• Lower carbon content results in softer but more ductile steel.

IS code 822 is a standard set by the Bureau of Indian Standards for the method of conducting hydrostatic tests on concrete pipes.

• IS code 822 specifies the procedure for conducting hydrostatic tests on concrete pipes to ensure their quality and durability.

• The code outlines the equipment required, test procedure, acceptance criteria, and reporting requirements.

• It is important for field quality engineers to be familiar with IS code 822 to ensure compliance with industry standard...read more