Fouling Factor for a Heat Exchanger Is Given by (Where

question 1

Multiple Choice

Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface) .

• A)U1 - U2
• B)1/U1 - 1/U2
• C)1/U2 - 1/U1
• D)U2 - U1

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Definitions:

Input Scan

One of three parts of the PLC scan. During the input scan, input terminals are read and the input table is updated accordingly.

Stop Button

A control mechanism used to immediately halt operations or processes in a system or machinery.

PLC System

A system used in industrial automation to control machinery and processes, consisting of programmable logic controllers.

MCR Instruction

Stands for "Master Control Reset", an instruction in PLC programming used to turn off a defined range of outputs when certain conditions are met.