Basic Principles of Television Engineering – 1 – 4

16. The width of H-sync pulse in India is :

(a) 12 μs
(b) 4.7 μs
(c) 1870 μs
(d) 1870 μs

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

17. According to CCIR standards, the television screen is blanked out :

(a) 25 times in one sec
(b) 60 times in one sec
(c) 50 times in one sec
(d) 15625 times in one sec

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

18. Retrace period of a horizontal line is :

(a) 64 μs
(b) 12 μs
(c) 52 μs
(d) 20 μs

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

19. Difference between the average DC level of the picture and blanking level is called ………….

(a) pedestal height
(b) pedestal set-up
(c) black set-up
(d) sync pulse height

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

20. CCIR standards ……….. have not been recommended for future use by CCIR.

(a) A,C,E,F
(b) B,D,G,H
(c) I,K,L,N
(d) B,G,M,N

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

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