Which of the refrigerant ratings indicates that a refrigerant is considered highly flammable?

A) A1 B) B2 C) A3 D) B1


C

Trades & Technology

You might also like to view...

By the mid-18th century, the overwhelming majority of North American colonies shared all of the following similarities except

A. full democratic participation by all colonists in political affairs, regardless of social and economic class. B. the dominant use of English in language. C. the dominance of Protestantism in religion. D. increased opportunity for social mobility. E. some degree of ethnic and religious toleration.

Trades & Technology

Answer the following statement(s) true (T) or false (F)

In construction, the term plumb is used to indicate that which is horizontal.

Trades & Technology

As with the PN junction diode, the ____ of an LED is usually connected to the negative side or ground in a circuit.

a. anode b. cathode c. depletion area d. DMM

Trades & Technology

To detect a laser beam, a battery powered electronic sensor target, also called a receiver or ____, is attached to the leveling rod or stick.

a.detector b.transistor c.interceptor d.sink

Trades & Technology