What is the temperature rise of a furnace with a supply air temperature of 130°F and a return air temperature of 75°F, operating in an ambient temperature of 50°F?

A) 75°F - 50°F = 25°F temperature rise B) 130°F - 50°F = 80°F temperature rise
C) 50°F + 75°F = 125°F temperature rise D) 130°F - 75°F = 55°F temperature rise


D

Trades & Technology

You might also like to view...

The primary objective of a stocker-yearling operation is to make the most pounds of cattle gain within economic reason

Indicate whether this statement is true or false.

Trades & Technology

Explain how a direct drive type wind turbine is able to provide electrical power at the correct frequency to match the grid

What will be an ideal response?

Trades & Technology

Flexible wall forms are designed to _____

a. make stripping easier b. be rolled for compact storage c. be used for curved walls d. be quickly assembled

Trades & Technology

If the magnitude of the input signal applied to a differentiator op amp is large and unchanged, its output signal is __________.

A. zero B. small C. large

Trades & Technology