In the event of a fire, fire dampers prevent oxygen from feeding the fire by:
A) Removing all oxygen from the space.
B) Spraying suppressant foam.
C) Closing off the outside air supply completely.
D) Limiting the amount of outside air to 10 percent.
C
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Independent rear suspensions have all of these advantages EXCEPT:
A. Improved traction B. Better ride quality C. Decreased directional stability D. Improved tire tread life
How many degrees is the included angle of the modified square thread?
A) 60 B) 14.5 C) 10 D) 29
Which of these are symptoms of carbon build-up on the throttle plates?
A) Rough idle B) Surging at idle C) Stalling D) All of these are correct.
A given circuit using an RC integrator to turn on after 20 seconds now takes has been taking much longer to turn on. Now it entirely fails to turn on. What is the problem?
A) The resistor has decreased in value. B) The capacitor has decreased in value. C) The resistor has opened. D) The capacitor has increased in value.