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keke12345676 keke12345676
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Posts: 559
Rep: 1 0
6 years ago
In a DC series motor, how much of its full-load torque is developed at starting?
 
  a. 50
  b. 100
  c. 250
  d. 500


[Ques. 2] Which of the following are most likely to use dynamic braking?
 
  a. Circular saws
  b. Forklifts
  c. Machine tools
  d. Safety brakes


[Ques. 3] Any exposed live parts must be guarded if they are operating at _____.
 
  a. 15V or more between terminals
  b. 50V or more between terminals
  c. 240V or more between terminals
  d. 600V or more between terminals


[Ques. 4] A major difference between common HVAC systems and air turnover systems is that air turnover systems
  _____.
 
  a. cannot provide cooling
  b. are direct-fired units
  c. are designed to encourage stratification
  d. often use propeller fans to circulate the air


[Ques. 5] One of the problems with spot coolers located indoors is that _____.
 
  a. the condenser air also comes from indoors
  b. the discharged condenser air must remain indoors
  c. there is no way to collect or dispose of condensate
  d. the evaporator discharge air temperature can never fall below 60F
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mburthaymburthay
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#1
Posts: 380
Rep: 6 0
6 years ago
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keke12345676 Author
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#2
6 years ago
I'm seriously surprised that you found the answers... What's your secret?!
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