MCQOPTIONS
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This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What causes the movement of electrons in horizontal and vertical directions when current is applied to the cathode of a picture tube? |
| A. | Magnetic and electric field |
| B. | Transmission field |
| C. | Magnetic field |
| D. | Electric field |
| Answer» D. Electric field | |
| 2. |
Two pairs of deflection coils are placed at the neck of the picture tube. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which alloy are the electrodes generally used in picture tubes? |
| A. | Nickel and nickel alloy |
| B. | Nitrogen and nickel alloy |
| C. | Carbon and iodine alloy |
| D. | Carbon and nickel alloy |
| Answer» B. Nitrogen and nickel alloy | |
| 4. |
A color picture tube has 2 electron guns. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which is the costliest and most important part of television receiver? |
| A. | Luminance |
| B. | Display |
| C. | Hue or tint |
| D. | Picture tubes |
| Answer» E. | |
| 6. |
Which of the following is the Grassman s law equation? |
| A. | Y = 0.30 R + 0.59 B + 0.11 G |
| B. | Y = 0.30 G + 0.59 R + 0.11 B |
| C. | Y = 0.30 R + 0.59 G + 0.11 B |
| D. | Y = 0.30 B + 0.59 G + 0.11 R |
| Answer» D. Y = 0.30 B + 0.59 G + 0.11 R | |
| 7. |
What is termed as the predominant spectral color of the received light? |
| A. | Brightness |
| B. | Saturation |
| C. | Luminance |
| D. | Hue or tint |
| Answer» E. | |
| 8. |
What is defined as the amount of light intensity as perceived by the eye regardless of the color? |
| A. | Luminance |
| B. | Hue |
| C. | Saturation |
| D. | Brightness |
| Answer» B. Hue | |