PCBL Chemical Limited Executive Engineer Interview Questions and Answers

The number of gaskets in a floating head heat exchanger varies depending on the design and size of the exchanger.

• The number of gaskets is typically determined by the number of tube passes in the heat exchanger.

• Each tube pass may require multiple gaskets, depending on the design.

• The gaskets are used to create a seal between the floating head and the tube sheet.

• The number of gaskets can range from a few to several dozen,...read more

Heat exchangers are devices used to transfer heat between two or more fluids.

• Shell and tube heat exchanger

• Plate heat exchanger

• Fin tube heat exchanger

• Double pipe heat exchanger

• Spiral heat exchanger

• Regenerative heat exchanger

Type moulds are used in casting processes to create cavities in the sand mold for pouring molten metal.

• Type moulds are used in foundries for creating complex shapes in metal casting.

• They are typically made of metal or other materials like ceramic.

• Type moulds are used in processes like investment casting and die casting.

• They are designed to be reusable for multiple casting cycles.

A fees system is a method of collecting payments for goods or services provided.

• A fees system can be used in various industries such as education, healthcare, and finance.

• It typically involves setting prices for products or services and collecting payments from customers.

• Fees systems can be structured in different ways, such as one-time payments, subscription fees, or usage-based fees.

• Examples of fees systems include t...read more