List of practice Questions

HF biasing is used in________________________.
(Magnetic tape recording / DVD recording)

Optical recording system needs a motor. (True/False)

In a CD recorder, the stage that combines digital data with error control and sync word is:

The play time of a DVD is:

Which of the following is not part of A to D Converter?

Ribbon tweeters are often used in place of horn loaded compression tweeters because:

What is the frequency range of flute?

Sound waves produced at the back of a loudspeaker are________________________ degrees out of phase with respect to sound waves produced in front.

The loudspeaker driver used for low frequency range is called_____________________.

Crystal microphones work based on:

A moving coil microphone is also called:

Decibel is the unit used to measure sound intensity. (True/False)

Maintenance and servicing of machines in large manufacturing industries are done:

In three-prong plugs, the third prong works as:

Damaged cables must be repaired or removed from service immediately. (True/False)

The process of identification of hazards in the workplace and their associated effect on health is called evaluation. (True/False)

Which of the following is not an occupational disease?

Identify the picture.

Almost all the accidents usually occur due to lack of safety. (True/False)

Which of the following is true for entrepreneurs?

Which of the following is not a green job?

What is the default save type of a newly created spreadsheet?

Which of the following is not an internal motivational force?