A pitot tube is used to measure:
A) Barometric pressure in mechanical rooms. B) Velocity pressure in ducts.
C) Water pressure in recirculating water systems. D) Water velocity in recirculating water systems.
B
Trades & Technology
You might also like to view...
?Rigidized shell spray-up is a process used to create ____.
A. ?car top carriers B. ?food containers C. ?thermos jugs D. ?building panels
Trades & Technology
The AFCI is intended to protect against ____.
a. overload b. short circuits c. fire d. electrocution
Trades & Technology
____, which looks like white powder on and around battery posts, sometimes happens when battery gas escapes up the terminal post from inside the case.
A. Corrosion B. Electrolysis C. Sulfation D. Battery holddown
Trades & Technology
To calculate uninsured costs, accidents are divided into four classes; class 1 accidents consist of