7-7.        Keystoning    is    most    accurately defined     by     what     statement? 1.  It is a disruption of the image in  which  the  entire  image  is s i g n i f i c a n t l y  r e d u c e d t 2.  It is a distortion of the imaget in  which  the  entire  image  is proportionally enlarged 3.  It is a distoration of the image in which the top of the picture is  enlarged  out  of  proportiont 4.  It is a disruption of the image in which a portion of the image is obscured by a foreign object A. Beaded B. Matte C. Rear  Projection D. Lenticular E. High-Gain  Aluminum Figure  1 IN ANSWERING QUESTIONS 7-8 THROUGH 7-13, SELECT THE SCREEN TYPE IN FIGURE 1 THAT FITS THE DESCRIPTION USED AS THE QUESTION. RESPONSES IN FIGURE 1 MAY BE USED MORE THAN  ONCE. 7-8. 7–9. 7-10. 7-11. 7–12. 7-13. 7-14. Capable  of  producing  a  reflected image  approximately  six  times brighter than other screens: 1.  B 2.  C 3.  D 4.  E Reflects images that are nearly equal in brightness at any viewing angle: 1.  A 2.  B 3.  D 4.  E Permits  close  inspection  of  the screen image: 1.  B 2.  C 3.  D 4.  E Has  unique  surface  characteristics which allow it to be used in a normally lighted room: 1.  B 2.  C 3.  D 4.  E You are giving a talk using a Carousel  slide  projector.  To minimize  eyestrain,  you  should  use which  of  the  following  lighting approaches? 1. Use   of   the   least   possible   light 2. Use of a small light at the front of the room 3. Use of some light behind or toward the rear of the audience 4. Use of some light on both sides of the audience Capable of providing an image three or four times as bright as a matte screen: 1.  B 2.  C 3.  D 4.  E Should be used in long, narrow roooms: 1.  A 2.  B 3.  C 4.  D 55