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dc 3rd

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
The component in which liquid turn to vapor by absorbing heat is called?   Evaporator  
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The best electrical grounding method?   Drive a metal stake 8ft into the ground  
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A_____ valve should be used for throttling purpose?   GLOBE  
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What is the acceptable range for residual sodium sulfite in the boiler to maintain?   30 - 70  
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What is the BTU content of a gallon of #4 fuel oil?   148,000  
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What does a zeolite water softener system use as a MEANS of regeneration?   BRINE  
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What are the 4 steps for Zeolite Rejuvenation water softener process?   Backwash,brine,rinse,service  
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