A pneumatic controller that increases the pressure of its branch line when air temperature in the conditioned
space goes up is called a(n) _____.
a. direct-acting thermostat
b. reverse-acting thermostat
c. graduate thermometer
d. E-P relay
a
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If the parking brake will not hold on a hill or requires excessive lever movement always check and adjust the ________ before adjusting the parking brake cable
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Which external resistor is necessary to cause a 750 nsec pulse at the output of a 74121 monostable multivibrator when joined with a 500 pF external capacitor?
A) 22 K resistor B) 10 K resistor C) 2.2 K resistor D) 4.7 K resistor