laboursonline – MCQs, Mock Tests | Analytical instruments Analytical Instrumentation MCQ Question Set 30

Which of the following represents a telemeter?

1. Analog device
2. Digital device
3. Both analog and digital device
4. None of the mentioned

✅ Correct Answer: 3

Which of the following mode of signals cannot be transmitted using telemetry?

1. Audio
2. Visual
3. Pictures
4. None of the mentioned

✅ Correct Answer: 4

All kind of informations are converted into _____

1. Magnetic data
2. Electrical data
3. Optical data
4. All of the mentioned

✅ Correct Answer: 2

Telemetry allow data flow in ________

1. Single direction
2. Both direction
3. Depend on design
4. None of the mentioned

✅ Correct Answer: 1

Telemetry systems are of electrical type only.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Which of the following is not true for telemeter?

1. Designed for all variable
2. Designed for specific range
3. Designed for data transmission
4. Wireless data transmission possible

✅ Correct Answer: 1

Process of utilizing one data link for multiple data transfer is called ________

1. Multiplexing
2. Over transfer
3. Multiprocessing
4. None of the mentioned

✅ Correct Answer: 1

Telemechanics and telemetry are related.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Medium of transmission in landline telemetry may be _______

1. Electrical line
2. Pneumatic line
3. Electrical and pneumatic line
4. None of the mentioned

✅ Correct Answer: 3

Which of the following is correct for electrical line telemetry?

1. Transmission of electrical voltage
2. Transmission of electrical voltage
3. Transmission of analog signal
4. All of the mentioned

✅ Correct Answer: 4

Feedback type telemetry systems are possible.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

What happens to the linearity of the telemetry system when feedback is applied?

1. Increases
2. Decreases
3. Nothing happens
4. None of the mentioned

✅ Correct Answer: 1

Amplitude of data from pulse telemetry will be _________

1. Cannot retrieve amplitude data
2. Pulse characteristics
3. Number of pulses
4. None of the mentioned

✅ Correct Answer: 2

Pulse encoding is important in digital telemetry.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Power transmission in telephone lines are _______

1. Open loop telemetry
2. Closed loop telemetry
3. May be open loop or closed loop
4. May be open loop or closed loop

✅ Correct Answer: 1

Attenuation and phase shift in receiver end is important due to ______

1. Length of cable used
2. Impedance of cable
3. Mode of data transfer
4. All of the mentioned

✅ Correct Answer: 2

Which of the following is favoured less?

1. Cable telemetry
2. Wireless telemetry
3. Both cable and wireless telemetry
4. None of the mentioned

✅ Correct Answer: 1

Low level signals can be transmitted using cables up to _______

1. 500 m
2. 2 Km
3. 10 Km
4. 50 Km

✅ Correct Answer: 2

Radio telemetry is useful when source and receiver is at _________

1. Long distance separation
2. Short distance separation
3. Varying separation distance
4. All of the mentioned

✅ Correct Answer: 4

PLCC stands for __________

1. Power Load Carrier Current
2. Power Line Carrier Current
3. Peak Line Carrier Current
4. None of the mentioned

✅ Correct Answer: 2

Multiplexing is not possible in radio telemetry.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Carrier frequency in radio telemetry will be ______

1. Very low value
2. Very high value
3. Any value greater than 100 Hz
4. Frequency appropriate to conductor size

✅ Correct Answer: 4

For space telemetry, carrier frequency should be _________

1. Very high value
2. Very low value
3. Frequency appropriate to distance
4. Any value greater than 100 Hz

✅ Correct Answer: 1

Frequency range of space telemetry should be __________

1. Less than 216 MHz
2. Between 216 – 235 MHz
3. Between 235 – 412 MHz
4. Above 412 MHz

✅ Correct Answer: 2

Which of the following represent stability relaxation for RF carrier?

1. 0 %
2. +/- 1 %
3. +/- 0.1 %
4. None of the mentioned

✅ Correct Answer: 3

For FM/FM modulation, what is the bandwidth allowed?

1. 0.2 MHz
2. 0.5 MHz
3. 0.9 MHz
4. 1 MHz

✅ Correct Answer: 2

Output power of transmitter will be _________

1. Very low
2. Very high
3. Varying
4. None of the mentioned

✅ Correct Answer: 1

Output power of transmitter will be ______

1. 2 to 10 w
2. 2 to 50 w
3. 2 to 100 w
4. Above 100 w

✅ Correct Answer: 3

FDM is associated with ________

1. FM/FM modulation
2. PDM/FM modulation
3. Both FM/FM and PDM/FM modulation
4. None of the mentioned

✅ Correct Answer: 1

In FDM, carrier signal have ______

1. Low frequency
2. Low frequency
3. Multiplexing is not possible
4. None of the mentioned

✅ Correct Answer: 2

FM/FM telemetry is a/an _________

1. Analog telemetry system
2. Digital telemetry system
3. Analog or digital depending on design
4. None of the mentioned

✅ Correct Answer: 1

Baseband frequency of FDM will be ______

1. Less than 70 Hz
2. Less than 70 KHz
3. Less than 70 MHz
4. Less than 70 GHz

✅ Correct Answer: 2

Upper frequency limit of FDM is constant.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

VCO is used for _______

1. Amplification
2. Frequency modulation
3. Amplitude modulation
4. None of the mentioned

✅ Correct Answer: 2

SCO stands for _____

1. Signal controlled oscillator
2. Switch controlled oscillator
3. Sub carrier oscillator
4. Sweep controlled oscillator

✅ Correct Answer: 3

Centre frequency of sub carrier signal varies ____

1. +/- 10%
2. +/- 7.5%
3. +/- 5%
4. +/- 2.5%

✅ Correct Answer: 2

What will be the frequency modulation index of SCO?

1. 1
2. 2
3. 5
4. 9

✅ Correct Answer: 3

For mf=5, how many side-bands will have for a modulated signal?

1. 2
2. 4
3. 6
4. 8

✅ Correct Answer: 4

Time division multiplexing includes ________

1. Wired link
2. Radio link
3. Radio or wire link
4. None of the mentioned

✅ Correct Answer: 3

Which of the following data is correct for TDM?

1. Analog data is transmitted
2. Digital data is transmitted
3. Both analog and digital data transmitted
4. None of the mentioned

✅ Correct Answer: 1

PAM stands for ________

1. Pulse Amplitude Modulation
2. Power Amplitude Modulation
3. Pulse Additive Modulation
4. Pulse Amplitude Masking

✅ Correct Answer: 1

Commutators are mechanical switches in operation.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following represents a number of samples per second?

1. Product of frame rate and number of samples per frame
2. Frame rate
3. Ratio of samples per frame and frame rate
4. None of the mentioned

✅ Correct Answer: 1

What will be the general number of samples per frame?

1. 18
2. 30
3. 18 or 30
4. None of the mentioned

✅ Correct Answer: 3

Maximum rate of commutation will be _________

1. 800 sample per second
2. 900 sample per second
3. 1200 sample per second
4. 1000 sample per minute

✅ Correct Answer: 2

Amplitude of each pulse of PAM train conveys the amplitude of particular channel sampled.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

PTM stand for __________

1. Pulse train modulation
2. Pulse time modulation
3. Power train modulation
4. None of the mentioned

✅ Correct Answer: 2

Which of the following can be generated from the PDM signal?

1. PPM
2. PTM
3. PAM
4. PFM

✅ Correct Answer: 1

Which of the following is correct for tactile sensors?

1. Touch sensitive
2. Pressure sensitive
3. Input voltage sensitive
4. Humidity sensitive

✅ Correct Answer: 1

Change in output of sensor with change in input is ______

1. Threashold
2. Slew rate
3. Sensitivity
4. None of the mentioned

✅ Correct Answer: 3