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Basic Principles of Television Engineering – 1 – 2

6. In India, horizontal blanking pulse is :

(a) 12 μs
(b) 4.3 μsec
(c) 1280 μs
(d)
 1870 μs

ANSWER

EXPLANATION

7. Each sequence of scanning in the interlaced scanning method is known as :

(a) Field
(b) Scanning lines
(c) Trace path
(d) 
Retrace path

ANSWER

EXPLANATION

8. Trace period of a horizontal line is :

(a) 64 μs
(b) 12 μs
(c) 52 μs
(d) 
1280 μs

ANSWER

EXPLANATION

9. The value of Kell factor is about ……..

(a) 0.5
(b) 0.3
(c) 0.7
(d) 
0.9

ANSWER

EXPLANATION

10. Video signals below 10% of the carrier are known as :

(a) Pedestal height
(b) Blacker then black
(c) White then white
(d)
 Blacker than black

ANSWER

EXPLANATION

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