183. Minus-blue colour means
A. orange
B. magneta
C. yellow
D. green
184. The hue that is 1800 out of phase with red is
A. yellow
B. cyan
C. blue
D. pink
185. The reference white colour for colour television is ,a mixture by percentage of
A. red = 30, green = 59, blue = 11
B. R = 33.3, B = 33.3, G = 33.3
C. R = 45, B = 35, G = 20
D. R = 50, B = 25, G = 25
186. The shadow mask in colour TV picture tube is used to
A. reduce X-ray emission
B. increase screen brightness
C. ensure that each beam hits its own target
D. decrease piture contrast
187. Ribbon microphone is an example of ---- microphone.
A. electrostatic
B. moving-coil
C. pressure-operated
D. pressure-gradient
188. Inthe context of TV studio equipment, 'fishing rod' refers to a
A. boom
B. hand-held microphone
C. short pole supporting a microphone
D. slung microphone
189. Which of the following microphone has super-directional characteristics?
A. rifle microphone
B. ribbon microphone
C. lavalier microphone
D. radio microphone
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