List of practice Questions

There are ________ number of pins in RJ11 connector.
Which of the following can be used for analog sound recording?
What do you mean by playback?
What is the full form of PCB?
High power linear amplifier is used in the audio section of the TV transmitter. (True/False)
Frequency modulation is done in ________ section of the TV transmitter. (Audio/Video)
Write two key features of HDTV.
Intermediate Frequency (IF) amplifier in TV receiver is used as
Which of the following is not a part of carbon microphone?
On which principle does a moving coil microphone work?
In which of the following loudspeaker there is no diaphragm?
________ is a kind of loudspeaker driver used for low frequency range.
An analog sound recorder contains a sampler. (True/False)
Laser beam is used:
In a magnetic tape recorder, the erase signal is a ________ signal.
What do you mean by occupational hygiene?
Fire extinguishers used to extinguish electrical fires are labelled as Class ________.
Which of the following is not a protective equipment?
Which of the following is not a safety concern in a manufacturing industry?
Frequency response of a microphone depends on nature of the metal diaphragm and the shape of the case. (True/False)
Write any two merits of piezoelectric microphone.
Impedance, in general, is the opposition to voltage. (True/False)
What is self-awareness?
Which view in a presentation application allows you to see all your slides at once?
A ________ is a company that is in the first stage of its operations.