This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Magnetic Tape Recorders”.
1. In magnetic tape, data are recorded for _______________
a) Storage
b) Visualising
c) Transfer
d) None of the mentioned
View Answer
Explanation: In magnetic tape recorders, data are recorded for storage and then retrieved for processing.
2. How many variables can be stored in a magnetic tape with track number 16?
a) 2
b) 16
c) 256
d) 65536
View Answer
Explanation: In a magnetic tape recorder, the number of the track will be equal to a number of variables that can be simultaneously stored.
3. Magnetic tape can be used to store _______________
a) Analog data
b) Digital data
c) Both analog and digital data
d) None of the mentioned
View Answer
Explanation: Magnetic tape can be used for storage of both analog and digital data.
4. Which of the following classes record head belong to?
a) Electromagnetic system
b) Electronic circuitry
c) Mechanical system
d) None of the mentioned
View Answer
Explanation: Record head found in a magnetic tape recorder belongs to the electromagnetic system of a recorder.
5. Which of the following represents allowed bit rate of digital signal?
a) 10
b) 102
c) 104
d) 105
View Answer
Explanation: Digital signals of bit rate up to 105 can be used with magnetic tape recorders.
6. Record head is similar to erase head.
a) True
b) False
View Answer
Explanation: Record head and erase head of magnetic tape is similar in operating principle.
7. Digital tape recorder is direct compatible with the computer.
a) True
b) False
View Answer
Explanation: Digital tape recorders are direct compatible with the computer and they can be directly connected.
8. Which of the following represents the bias frequency of entertainment tape recorder.
a) 100 Hz
b) 100 KHz
c) 100 MHz
d) 100 GHz
View Answer
Explanation: Bias frequency of entertainment tape system will be about 100 KHz.
9. Highest frequency in FM recording is _______________
a) 4 Hz
b) 40 Hz
c) 40 KHz
d) 40 MHz
View Answer
Explanation: Highest frequency in Frequency modulated recording is 40 KHz.
10. Effect due to sudden speed change in tape is _______________
a) Flutter effect
b) Wow effect
c) Surge effect
d) Cracking
View Answer
Explanation: Flutter effect is due to sudden change is the speed of the tape system.
Sanfoundry Global Education & Learning Series – Instrumentation Transducers.
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