What can cause odors or slime build up in an ice machine?
A) Odor and slime build-up is caused by poor quality water coming into the system.
B) Too many minerals in the water cause odor and slime build-up in an ice machine.
C) Cleaning the ice machine too often can cause odor and slime build-up.
D) Odor and slime build-up is caused by bacteria and fungi growth.
D
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________ is a gaseous plant hormone responsible for fruit ripening.
Fill in the blank(s) with the appropriate word(s).
Class C is a(n) ____ protocol with a baud rate between 125 kb/s and 1,000 kb/s, used for functions that require real-time control.
A. asynchronous B. high-speed C. medium-speed D. low-speed
Technician A says that glycol-based brake fluid causes the seals to swell slightly. Technician B says the DOT 5 (silicone-based) brake fluid causes rubber seals to swell slightly. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
____ are inert gases that are commonly added to the air space between glass panes in insulated glass to lower the U-factor.
A. Helium and krypton B. Xenon and argon C. Argon and krypton D. Radon and Xenon