Knest Manufacturers Quality Engineer Interview Questions and Answers

MTTR stands for Mean Time To Repair and MTBF stands for Mean Time Between Failures.

• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• MTTR is calculated as total downtime divided by the number of failures.

• MTBF is calculated as total uptime divided by the number of failures.

• For example, if a system has an MTTR of 2 hours and an MTBF of...read more

Data type string in PLC is used to store alphanumeric characters or text data.

• String data type is used to store text data in PLC programming.

• Strings can be used to store alphanumeric characters, words, sentences, etc.

• Example: STRING name := 'John Smith';

A cooling tower is a device used to remove heat from a building or industrial process.

• The function of a cooling tower is to cool down water or other fluids by extracting heat from them.

• Cooling towers are commonly used in HVAC systems, power plants, and industrial processes.

• They work by evaporating a small portion of the water, which removes heat and cools down the remaining water.

• The cooled water is then circulated bac...read more

To dismantle a boiler feed pump, follow these steps

• Isolate the pump from the power source and drain the water from the system

• Remove the coupling and motor from the pump

• Disconnect the suction and discharge piping from the pump

• Remove the bolts and nuts that hold the pump casing together

• Lift the casing off the pump and remove the impeller and shaft

• Inspect and clean all parts before reassembling or replacing

SLD stands for Single Line Diagram, a graphical representation of electrical system or circuit.

• SLD shows the flow of electricity and the components used in the system

• It is used by engineers to design and analyze electrical systems

• SLD is also used for maintenance and troubleshooting purposes

• Examples of SLD include power distribution systems, lighting systems, and motor control centers

Deep understanding of transformers

• Knowledge of transformer design and operation

• Familiarity with transformer testing and maintenance

• Understanding of transformer losses and efficiency

• Knowledge of transformer protection and control

• Experience with transformer sizing and selection