8-53. How is the M61A1 20-mm automatic aircraft gun (a) driven and (b) controlled? 1. (a)   Gas blowback (b)   Fire 2. (a)   Hydraulically (b)   Electrically 3. (a)   Pneumatically     (b)   Manually 4. (a)   Gas blowback (b)   Hydraulically 8-54. What  is  the  firing  rate  of  the  M61A1  20-mm gun as installed in Navy aircraft? 1. 4,000   (gun   low)   and   6,000   (gun   high) rounds per minute 2. 2,000   (gun   low)   and   4,000   (gun   high) rounds per minute 3. 5,000 rounds per minute 4. 7,200 rounds per minute 8-55. By what means is the night end of the Mk 124 Mod  0  marine  smoke  and  illumination  signal identified? 1. By color 2. By the raised beads on the casing 3. By   the   D-ring   located   on   the   ignition lanyard 4. By the larger sized end ring 8-56. What  number  of  signal  flares  is  contained  in the Mk 79 Mod 0 illumination signal kit? 1. 4 2. 5 3. 6 4. 7 8-57. By  which  of  the  following  methods  can  the LUU-2 aircraft parachute flare be launched? 1. By hand 2. From a bomb rack 3. Dispenser-launched 4. Each of the above 8-58. What  is  the  primary  purpose  of  the  Mk  25 marine location marker? 1. As  a  distress  signal  for  downed  aircrew personnel 2. Antisubmarine warfare operations 3. To illuminate target areas 4. As a channel marker 8-59. The   Mk   58   Mod   1   marine   location   marker produces yellow flame and white smoke for (a) a  minimum  of  and  (b)  a  maximum  of  how many minutes? 1. (a)   15 (b)   30 2. (a)   30 (b)   45 3. (a)   40 (b)   60 4. (a)   45 (b)   80 8-60. Which of the following functions is performed by  cartridges  and  CADs  in  personnel  escape devices? 1. Removal of cockpit canopies 2. Ejection of seats 3. Streaming of ejection seat drogue chutes 4. Each of the above 8-61. Which   of   the   following   ratings   is   normally responsible   for   the   installation   of   cartridges and    CADs    as    used    in    personnel    escape systems? 1. AO 2. AME 3. AT 4. AD 8-62. What   is   the   primary   use   of   the   CCU-45/B impulse cartridge? 1. To remove cockpit canopies 2. To eject seats 3. To release and eject stores from an aircraft in flight 4. To eject and deploy seat drogue chutes 8-63. Which   of   the   following   impulse   cartridges is/are classified as miscellaneous cartridges? 1. Mk 19 Mod 0 2. Mk 97 Mod 0 3. Mk 1 Mod 3 4. Both 2 and 3 above 8-64. Aircraft   weapons   suspension   and   releasing equipment    is    generally    operated    by    what means? 1. Hydraulic and pneumatic 2. Electronic and manual 3. Hydraulic and electrical 4. Hydraulic and mechanical 8-65. What is the function of bomb racks? 1. To carry stores 2. To arm stores 3. To release stores 4. Each of the above 8-66. How do bomb ejector racks differ from bomb racks? 1. Bomb  ejector  racks  are  designed  to  carry more weight 2. Bomb  ejector  racks  are  designed  to  carry less weight 3. Bomb  ejector  racks  use  electrically  fired impulse cartridges 4. Bomb racks use electrically fired impulse cartridges 8-35