What refrigerants can be detected with a halide torch?
A) HCFCs B) Hydrocarbon refrigerants
C) CFCs D) CFCs and HCFCs
D
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Answer the following statement(s) true (T) or false (F)
1. A motor should be stopped by dynamic braking alone. 2. Dynamic braking is a complex but safe method of emergency or safety braking. 3. Dynamic braking is applied in about one-fifth the time required to set the majority of shunt brakes. 4. There are many different methods of providing dynamic braking for small production equipment. 5. Dynamic braking for an AC squirrel cage motor can be accomplished by connecting direct current to the stator winding.
What was a result of the Treaty of Paris?
A. Americans surrendered Canadian conquests to France. B. The French surrendered Canadian territories to America. C. The British surrendered Quebec to France. D. The British recoginized American independence. E. The British recognized Canadian independence.
Describe the diff erences between specifi cations and constraints.
What will be an ideal response?
What valve causes the 3-way valve to shift into the heating position?
A. The solenoid valve number 1 B. The solenoid valve number 3 C. The pilot solenoid valve D. The discharge check valve