Chapter 3 UREs Flashcards
- (015) Which statement best describes the function of the PDU in the MGS?
A. Relays command signals to the missile flight control hardware.
B. Serves as a floating ground point within the MGS to improve system reliability.
*C. Isolates the loads between the MGS and flight controls through the use of a diode block.
D. Responsible for commanding missile battery activation and flight control ground power turn-off prior to launch.
- (015) Which statement best describes a function of the MGS?
*A. It is the primary element for missile guidance, navigation, and control.
B. It provides the LCC with in-flight data and telemtry
C. Its operational ground program (OGP) squibs the SRAM battery prior to launch.
D. It operates separately from the OGP/OFP, to guide and conclude missile flight and payload deployment.
- (015) Which battery in the MGS ensures MGC data integrity during power loss?
A. Flight battery
B. Flight control battery
*C. SRAM battery
D. Aerospace vehicle equipment (AVE) battery backup
- (015) Which MGS component contains electronics and provides power to accelerometers, gyroscopes, and torque motors?
A. Flight controller set (FCS)
B. Power distribution unit (PDU)
C. Missile guidance computer (MGC)
*D. Missile guidance set control (MGSC)
- (016) Which item is used to accomplish the operational certification of the NS-50 missile guidance set (MGS)?
A. 82 bench
B. Nuclear certification test station
*C. Missile guidance set test set (MGSTS)
D. Ground Minuteman automated test station (GMATS)
- (016) How does the MGSTS indicate that an excessive power condition exists?
A. Indicator lamp only
*B. Indicator lamp and aural alarm
C. Visual display unit indicates alarm code
D. Visual display unit indicates malfunction code
- (016) The virtual control processor simulates what MGS components during self-test of the MGSTS?
A. Flight controller and SRAM
B. Flight controller and RAM
*C. Missile guidance computer (MGC) and SRAM
D. Computer and flight controller
- (017) During the MGSTS SRAM battery test, the output of the power module is loaded by what?
A. Dummy load
B. Alarm test set
*C. Toggle switches
D. System program software
- (017) The MGSTS SRAM battery power safing test verifies proper operation of the
A. VXI module.
*B. limit detectors.
C. SRAM battery.
D. guidance set computer.
- (017) What test must be accomplished after completion of a Missile Guidance Set (MGS) certification?
A. GMATS self-test
B. R/S extender cable certification
*C. MGSTS self-test
D. Missile guidance set computer memory checks
- (018) How many equipment bays or racks does the ground Minuteman automated test station (GMATS) have?
A. 2
*B. 4
C. 6
D. 8
- (018) Which component is not one of the functional groups of the electronic equipment test station?
A. Computer
B. Instrumentation
C. Power and switching
*D. Interface test adapters
- (018) The computer group is made up of the
A. system controller, computer, and printer.
B. printer, system controller, and bar-code reader.
*C. bar-code reader, computer, and system controller.
D. mobile work surface, computer, and system controller.
- (018) Which component contains the pre-programmed instructions for testing a UUT?
A. Computer
B. Programmer
*C. System controller
D. Mobile work surface
- (018) How many power supplies make up the power and switching group?
A. 3
B. 6
C. 9
*D. 11
- (018) What is the purpose of the unit power controller (UPC)-3 in the power and switching group?
A. Controls cooling air to the power supplies.
B. Regulates data signals to the UUT.
*C. Controls the parameters of the AC power supply.
D. Provides EMI protection to the electronic test station.
- (018) What is the purpose of the microcontroller?
A. Controls all circuit card functions of the test station.
B. Monitors power requirements needed for the mobile work station (MWS).
C. Reduces diagnostic time and increases accuracy of UUT testing.
*D. Prevents power from being sent through the interface carrier assembly (ICA) when no interface test adapter (ITA) is present.
- (018) What allows the instrumentation group to interface with the computer group?
A. Tracewell chassis
B. Power distribution unit
C. High-speed serial interface bus
*D. High-speed parallel interface bus and three Hewlett-Packard interface buses (HP-IB)
- (018) Which component of the test station performs measurements within a specified sweep time?
A. RF power meter
B. Function generator
*C. Spectrum analyzer
D. Microcontroller
- (018) Which is not a function of the universal counter?
A. Measuring the time interval and relative phase between two independent signals.
*B. Taking voltage and resistance measurements on a UUT.
C. Performing frequency measurements of RF signals.
D. Measuring the pulse width of a signal on one channel.
- (018) what is the purpose of the mobile work surface (MWS)?
*A. Contains a support structure on which to mount and provide cooling air to the UUT.
B. Used as a platform for the monitor and keyboard of the test station.
C. To contain power supplies and other test equipment.
D. To provide input power and stimuli for the UUT.
