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Details

HVAC
Test
7
Other
12th Grade
02/14/2012

Additional Other Flashcards

 


 

Cards

Term

1.      The unit for flow of electricity is the…

 

        A.     volt

B.     watt

     C.     ampere

D.    Btu.

Definition
Term

2.      The unit of electrical pressure is the…

 

A.     volt

B.     watt

      C.     ampere

D.    Btu.

Definition
Term

 3.     How many ohms are used to limit a current to 9.2 amperes with 230 volts?

 

A.     10 ohms

B.     25 ohms

C.     36 ohms

                         D.    cannot be determined

Definition
Term

4.      The formula for computing power consumption of a relay coil in an AC circuit is…

                           

                             A.     Power = I x E x Power Factor

B.     Power = I x E

                           C.     Power = E/I x Power Factor

D.    Not available

Definition
Term

5.      A current relay is easily identified in a schematic drawing because it’s…

 A.     coil is very large

               B.     coil is parallel to the overload

                   C.     contacts are parallel to the coils

                D.    contacts and coil are in series

Definition
Term

6.      On a circuit diagram, an arrow drawn through a component at a 45 degree angle means it is…

 

A.     adjustable

B.     grounded

            C.     a parallel circuit

        D.    a service cord

Definition
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