A line-sensing control uses a mechanical thermostat or electrical controller to measure the _____.

a. actual pipe temperature
b. ambient temperature surrounding the pipe
c. estimated pipe temperature
d. heat levels surrounding the pipe


a. actual pipe temperature

Trades & Technology

You might also like to view...

____ backflow is a reversal of normal flow in a system caused by a negative pressure (vacuum) in the potable water supply.

a. Gravity b. Back-siphonage c. Back-pressure d. none of the above

Trades & Technology

Al enhebrar un terminal de cuña, la sección abierta del cable debe alinearse con la línea central de _____.

a. el perno b. el sujetador para cable c. la cuña d. un casquillo

Trades & Technology

You can start Emacs by entering the ____ command in the terminal window or at a command line in UNIX/Linux.

A. e B. em C. emcs D. emacs

Trades & Technology

In an area where there is smoke or pollution, what is the recommended number of air exchanges per hour?

Fill in the blank(s) with the appropriate word(s).

Trades & Technology