What kind of expansion tank must be installed above the highest terminal unit?
A) Diaphragm type B) Closed type
C) Pressure-relief type D) Open type
D
You might also like to view...
Answer the following statements true (T) or false (F)
1) Sensitized doors and gates should never be used in conjunction with industrial robots. 2) Machine guards for all industries must meet the following minimum requirements: prevent contact, be secure, protect from falling objects, create no interference, and allows safe lubrication. 3) Wireless machine control devices are becoming more common in the workplace.
When loading crawler cranes on a flatbed, the ramp must be _____.
a. short enough to maintain a steep grade b. long enough to maintain a low grade c. as long as the crane carrier d. the same length as the distance between crawler drive axles
____ are used to secure and lift a load.
A. Chains B. Slings C. Straps D. Ropes
Processes that require a source of external heat while forming a product are called ____.
A. endothermic B. exothermic