10-66. Which of the following components contains
the controls and indicators for primary
power and tape transport manual control?
1. The maintenance panel
2. The system control panel
3. The magnetic tape transport
4. The microprogrammed controller
10-67. Of the following operations, which one is
NOT performed by the magnetic tape
transport (MTT) control section?
1. Provides control signals for manual
operations of the MTT
2. Acts as an interface for MTU control
signals and status responses
3. Sends signals to light the MTT switch
panel indicators
4. Provides timing pulses and a
servo-movement control signal to the
capstan
10-68. The direction and speed of the supply and
take-up servo motors are controlled by
which of the following methods?
1. The size of the tape loop in the vacuum
column
2. The direction and speed of the capstan
motor
3. The capstan tachometer
4. The function being performed
10-69. Which of the following MTT sections
controls the speed and direction of tape
movement?
1. Air control solenoids
2. Capstan servo-control
3. Supply reel servo-control
4. Take-up reel servo-control
10-70. The supply and take-up reel servo-driven
hubs attempt to maintain the tape loops in
which of the following positions as shown in
figure 10-20?
1. Above sensor A
2. Below sensor D
3. Between sensors B and C
4. Between sensors A and D
10-71. The speed and direction of the servo-driven
hubs are controlled by all of the following
conditions except which one?
1. Capstan direction and velocity
2. Reel tachometer input
3. Vacuum/pressure sensors in the buffer
columns
4. Read or write operation being performed
10-72. Which of the following diagnostic programs
are controlled by the MPC ROM?
1. POFA
2. PEFT
3. Internal diagnostics
4. All of the above
10-73. Which of the following diagnostic programs
are run under the control of the operational
program?
1. POFA
2. PEFT
3. Internal diagnostics
4. All of the above
10-74. Which of the following POFA tests checks
the ability of the MTU to respond to
computer commands and to provide status
and error condition information to the
computer?
1. The duplex test
2. The extended operation test
3. The function and format test
4. The transport compatibility test
87
