Which of the Following Methods of Heat Transfer Requires No

question 70

Multiple Choice

Which of the following methods of heat transfer requires no direct contact between the warmer and cooler substances?

• A) Conduction
• B) Convection
• C) Evaporation
• D) Radiation

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Definitions:

Program Scan

One of three parts of the PLC scan. During the program scan, the CPU scans each rung of the user program.

Controller Program

A specific set of coded instructions designed to be executed by a machine controller, such as a PLC, to perform specific tasks or operations.

MCR Instruction

A Master Control Reset instruction, typically used in programmable logic controllers (PLCs) to control the operation of blocks of logic or functions.

Circuit

A closed loop or pathway that allows for the flow of electricity, consisting of various electrical components such as resistors, capacitors, and inductors.