Quantity of Heat: If We Use 67 W of Power

question 47

Multiple Choice

Quantity of heat: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15°C to 25°C? The specific heat of water is 4190 J/kg ∙ K.

• A) 93 s
• B) 5.3 s
• C) 22 s
• D) 114 h

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Definitions:

Function Block

Rectangular block with inputs entering from the left and outputs exiting on the right.

Structure Text

A high-level programming language used in PLC and other control systems, designed for complex algorithm implementation.

Scheduling Mechanism

A system or method used to plan and organize tasks or processes to be carried out at specific times or under certain conditions.

Logic

The systematic study of the principles of valid inference and correct reasoning, often applied in computing to describe the foundational binary decision-making process.