For Question 161 select "B", "C" or "D" ("A" is selected only as an example)!
161. What is the most effective way to use the eyes during night flying?
A) None of the below. B) Scan slowly to permit offcenter viewing. C) Concentrate directly on each object for a few seconds. D) Look only at far away, dim lights.
162. The best method to use when looking for other traffic at night is to:
A) look to the side of the object and scan slowly. B) scan the visual field very rapidly. C) look to the side of the object and scan rapidly. D) All of the above.
163. The most effective method of scanning for other aircraft for collision avoidance during nightitme hours is to use:
A) regularly spaced concentration on the 3-, 9- and 12-o'clock positions. B) a series of short, regularly spaced eye movements to search each 30-degree sector. C) peripheral vision by scanning small sectors and utilizing offcenter viewing. D) none of the above.
164. What procedure is recommended when climbing or descending VFR on an airway?
A) Execute gentle banks, left and right for continuous visual scanning of the airspace. B) Advise the nearest FSS of the altitude changes. C) Fly away from the centerline of the airway before changing altitude. D) All of the above.
165. Wingtip vortices are created only when an aircraft is:
A) operating at high airspeeds. B) heavily loaded. C) developing lift. D) None of the above.
166. The wind condition that requires maximum caution when avoiding wake turbulence on landing is a:
A) light, quartering headwind. B) light, quartering tailwind. C) strong headwind. D) All of the above.
167. Large accumulations of carbon monoxide in the human body result in:
A) tightness across the forehead. B) loss of muscular power. C) an increased sense of well-being. D) None of the above.
168. Susceptibility to carbon monoxide poisoning increases as:
A) altitude increases. B) altitude decreases. C) airpressure increases. D) all of the above.
169. What effect does haze have on the ability to see traffic or terrain features during flight?
A) Haze causes the eyes to focus at infinity. B) The eyes tend to overlook in haze and do not detect relative movement easily. C) All traffic or terrain features appear to be farther away than their actual distance. D) None of the above.
170. Which statement best defines hypoxia?
A) A state of oxygen deficiency in the body. B) An abnormal increase in the volume of air breathed. C) A condition of gas bubble formation around the joints or muscles. D) All of the above.