Delay Line: Definition
A delay line is used in electrical and electronic circuits to produce the time delay in the pulse wave given as an input signal in the transmission line. Delay time in the pulse digital wave is nanoseconds to microseconds. There are two types of delay lines are used in switching circuits. Delay line circuits are commonly used in Radars, T.V and Digital Computers. All the MCQs on Delay Line Questions and Answers are published according to the new study syllabus for the academic year 2021-22.
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The aim is to provide Delay Line MCQs objective questions and answers to understand the concepts of Delay Line Circuit. If you are willing to learn the concepts of Basic Electronics MCQs multiple choice questions with answers then read all the questions and answers. You will be surely able to qualify for all kinds of Quiz/test/ Interview after understanding the delay line electrical circuit. If you are a student, technician, or teacher then you can learn the basic concept of delay line application, principle, and function.
MCQs of Delay Line Circuit (Questions with Answers)
Q1. A circuit used to create a _______ in the pulse wave for a specific period of time is called delay line.
- width
- space
- delay
- all are correct
Answer: d
Q2. When the signal output received after a delay of the specific time period which called Delay Time. True / False
Answer: True
Q3. Delay time is pulse digital circuit may be from ________ seconds to ________ seconds.
- Nano→Micro
- Milli→Nano
- Both a & b are correct
- None is correct
Answer: a
Q4. Some distortion also received from output signal because of delay time in input signal. True / False
Answer: True
Q5. _______ defects are produced in output signal received from delay line.
- Signal distortion
- Rise & Fall distortion
- Amplitude distortion
- All are correct
Answer: c
Q6. Different kinds of delay lines are commonly used in pulse & digital circuits or instruments. True / False
Answer: True
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Q7. CRO stands for ___________.
- Cathode Ray Oscilloscope
- Certified Radio Operator
Answer: a
Q8. Delay line circuit is used in cathode ray oscilloscope for first display the horizontal signal on CRT and then show vertical signal. True / False
Answer: True
Q9. Delay lines are commonly used in __________.
- Radars
- Television
- Digital Computers
- All are correct
Answer: d
Q10. Two types of delay lines are used in switching circuits. True / False
Answer: True
Q11. Electronic time delay line consists of __________ M.V circuits.
- Astable
- Bistable
- Monostable
- All are correct
Answer: c
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Q12. Two types of electromagnetic delay lines such as lumped parameter and distributed-parameters are used. True / False
Answer: True
Q13. Electromagnetic delay lines consists of _________ circuits.
- LC equivalent
- Transmission line
- Monostable M.V
- a & b are correct
Answer: d
Q14. Electromagnetic waves travel in the speed of light (3×108 m/s). True / False
Answer: True
Q15. When any transmission line changed in LC equivalent circuit which is called ________ delay line.
- Lumped-Parameter
- Distributed-Parameter
- a & b are correct
Answer: a
Q16. In the lumped-parameter delay line, all the inductors are connected in series. True / False
Answer: True
Q17. The formula to find constant current (Io) is Io = Ei/Zi.
Q18. The formula of characteristics impedance (Zo) in the lumped-parameter delay line is Zo = √L/C.
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Q19. In the lumped parameter, delay line (td) formula is td = √L/C.
Q20. When the actual length of conductor used for delay line which is called _______ delay line.
- Lumped-Parameter
- Distributed-Parameter
Answer: b
Q21. The upper cut-off frequency of an electromagnetic delay line is denoted by Fc. True / False
Answer: True
Q22. ________ is an input impedance of an infinite transmission line.
- Cut-Off Frequency
- Delay Line
- Characteristic Impedance
- All are correct
Answer: b
Q23. Characteristic Impedance is denoted by Zo. True / False
Answer: True
Q24. Important Characteristic of an electromagnetic delay line is ________.
- Zo
- Fc
- td
- all are correct
Answer: d