RECEIVER CONTROLLERS AND TRANSMITTERS -1- Transmitters do not normally control anything; they just sense and report the condition to receiver controllers and indication gauges. True False -2- Receiver controllers may have as many as five connection ports. True False -3- The majority of SIEMENS, TAC, Johnson Controls and Honeywell transmitters are two pipe instruments. True False -4- The indicating pressure range of transmitters is normally 5 PSIG to 18 PSIG. True False -5- Applying 9 PSIG to a 0°F to 100 °F transmission gauge would cause the gauge to indicate 50°F. True False -6- A two position receiver controller can gradually modulate a control valve from fully open to fully closed. True False -7- Some receiver controllers provide a restricted air supply to its associated transmitter and some others require an external restricted air supply to the associated transmitter. True False -8- If a receiver controller that can provide restricted air to its associated transmitter is receiving main air at variable pressures, its internal restrictor must be blocked and a constant main air external restrictor must be added. True False -9- If the transmission line is cut between the receiver controller and the (0°F to 100 °F) transmitter, the receiver will believe the temperature is above 100 °F. True False -10- A transmitter can only report to one receiver controller. True False -11- Room temperature transmitters look like a thermostat with no dial adjustment. True False -12- Proportional band, gain and sensitivity all refer to the same function in receiver controllers. True False -13- Receiver controllers may be arranged to automatically raise and lower a temperature of one medium based on a variation sensed in another medium. True False 1.5
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