Television Engineering MCQs

Question 1

Acoustically speaking, TV studios are made as 'dead' as possible, the main consideration being that

Accepted Answer

any reverberating time may be achieved byadding artifical reverberation

Answer

quality of sound may not be affected by wall reflections

Answer

special sound effects may be created easily

Answer

resonance may be inhibited

Question 2

Reverberation is essential for all types of music because it

Accepted Answer

gives warmth and sonority and a sense of power

Answer

makes it lour and audible

Answer

adds harmonics and richness

Answer

gives the effect of distance and solidity of environment

Question 3

In the context of studio acoustics, ambiophony means

Accepted Answer

a method of adjusting reverberation within a studio or concert hall by means of loudspeaker feedback system

Answer

technique used for modifying acoustic properties of a material

Answer

relaying of program sound to the audience present at a production

Answer

the method of re-recording from one recording to another

Question 4

Which one of the following is NOT a keyboard instrument?

Accepted Answer

cello

Answer

calvichord

Answer

celeste

Answer

harpsichord

Question 5

Which of the following woodwind instrument produces a very pure tone when heard from a distance but has a breathing quality at close range?

Accepted Answer

piccolo

Answer

oboe

Answer

clarinet

Answer

bassoon

Question 6

In TV studios, cyclorama is used to

Accepted Answer

provide background to exterior scenes

Answer

provide noise necessary to give reality to dramatic scenes

Answer

suppress sound of footsteps

Answer

produce wind effect for pseudo-exteriors shot in the studio

Question 7

The 20-kW TV transmitter of Sri Lanka's colour transmission Rupavahini is located 2.5 km above sea level. The range of this transmitter is_____ km.

Accepted Answer

200

Answer

250

Answer

100

Answer

500

Question 8

If people living in Trivandrum want to receive clear Rupavahini colour transmission from Sri Lanka, they should

Accepted Answer

use tall booster antenna

Answer

buy KELTRON TV receiver set

Answer

use balun units

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employ antenna rotator

Question 9

One sign of week TV aerial signal is

Accepted Answer

snow in the picture

Answer

presence of ghost images

Answer

fading of the picture

Answer

feeble brightness of the screen