Log Mean Temperature Difference (LMTD) Cannot Be Used, If

question 13

Multiple Choice

Log mean temperature difference (LMTD) cannot be used, if

• A)Heat transfer co-efficient over the entire heat exchanger is not constant
• B)There exists an unsteady state
• C)The heat capacity is not constant and there is a phase change
• D)None of these

---

Definitions:

Default Clock

The pre-set timekeeping system or application typically found on electronic devices, representing the standard time display.

12-Hour Clock

The 12-hour clock is a timekeeping convention in which the day is divided into two periods (AM and PM), each lasting 12 hours, distinguished by the hours numbered from 1 to 12.

Administrative Privileges

Permissions granted to users allowing them to make critical changes to the system or software, like installing or removing applications.

Enhance Performance

Techniques or actions taken to improve the efficiency and speed of a computer system or software.