Analytical Instrumentation MCQ

Test your knowledge with important Analytical Instrumentation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Analytical Instrumentation MCQs at Bissoy

• The switching of MOS gates can be improved by using CMOS.
  ক

  True

  খ

  False
• CMOS gates are commercially available as which of the following series?
  ক

  1000

  খ

  2000

  গ

  3000

  ঘ

  4000
• Which of the following is not the advantage of MOS gates?
  ক

  Low power dissipation

  খ

  Small size

  গ

  Good immunity to noise

  ঘ

  High switching speeds
• ECL is a way of achieving a higher speed of gate.
  ক

  True

  খ

  False
• The logic ‘0’ of ECL is represented as ______V and logic ‘1’ is represented as ______V.
  ক

  1, 1.65

  খ

  0.9, 1.75

  গ

  1.2, 2.35

  ঘ

  1.9, 4.3
• Schottky TTL logic family does not have which of the following features?
  ক

  Good fan-in

  খ

  Good fan-out

  গ

  High speed capability

  ঘ

  High propagation delay
• The standard TTL gates are marketed as _______ series.
  ক

  80

  খ

  82

  গ

  74

  ঘ

  08
• Which of the following is the propagation delay of TTL circuits?
  ক

  1 s

  খ

  1 ms

  গ

  1 ns

  ঘ

  1 ps
• In TTL logic, the input transistor has a number of ________ equal to the desired fan-in of the circuit.
  ক

  Base

  খ

  Collect

  গ

  Emitter

  ঘ

  Gate
• The basic function of TTL gate is which of the following functions?
  ক

  AND

  খ

  OR

  গ

  NOR

  ঘ

  NAND
• Which of the following is the most widely employed logic family?
  ক

  Emitter-coupled logic

  খ

  Transistor-transistor logic

  গ

  CMOS logic family

  ঘ

  NMOS logic
• INHIBIT gate is ________ gate with an inhibiting input.
  ক

  AND gate

  খ

  OR gate

  গ

  EX-OR gate

  ঘ

  NOT gate
• The output will be logic ‘1’ only if all the inputs are ‘0’. Which gate must be used to execute this condition?
  ক

  AND gate

  খ

  NAND gate

  গ

  NOR gate

  ঘ

  EX-OR gate
• Two switches are in parallel and are connected with a lamp and supply in series. This represents which of the following logic gate?
  ক

  AND gate

  খ

  OR gate

  গ

  EX-OR gate

  ঘ

  NOT gate
• Given below is the equivalent circuit of a logic gate. Identify the logic gate.
  ক

  AND gate

  খ

  OR gate

  গ

  EX-OR gate

  ঘ

  NOT gate
• 1001 is a data presented on a set of binary coded decimal output lines. What would be the decimal equivalent of this number in the case of negative logic?
  ক

  9

  খ

  6

  গ

  1

  ঘ

  8
• Which of the following is the binary equivalent of the decimal number 10?
  ক

  1100

  খ

  1010

  গ

  1011

  ঘ

  1110
• Which of the following is known as a nibble?
  ক

  1 bit

  খ

  4 bits

  গ

  8 bits

  ঘ

  16 bits
• Which of the following can be used to store information?
  ক

  Gates

  খ

  ADC

  গ

  DAC

  ঘ

  Flip-flops
• Which of the following samples the analog signals to obtain their digital equivalent?
  ক

  Analog to digital converter

  খ

  Electronic counter

  গ

  Comparator

  ঘ

  Digital to analog converter
• In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals.
  ক

  True

  খ

  False
• In the sample cell, which of the following is selected to give maximum optical transmission in the UV-visible region?
  ক

  Tungsten

  খ

  Quartz

  গ

  Phosphor

  ঘ

  Potassium
• The oscilloscope is used to display the klystron mode.
  ক

  True

  খ

  False
• Which of the following removes residual harmonics from the phase-detected signal?
  ক

  High-pass filter

  খ

  Low-pass filter

  গ

  Band-pass filter

  ঘ

  Chopper
• The 100 kHz oscillator acts as which of the following?
  ক

  Transmitter

  খ

  Receiver

  গ

  Modulator

  ঘ

  Transmitter and receiver
• The klystron body is insulated from ground by an insulating gas casket.
  ক

  True

  খ

  False
• Klystron requires _______ for the klystron beam and up to _____ for the klystron reflector.
  ক

  +400 V, -730 V

  খ

  +650 V, -400 V

  গ

  +200 V,-530 V

  ঘ

  +180 V,-270 V
• What does AFC stand for?
  ক

  Auto frequency correct

  খ

  Automated frequency correct

  গ

  Automatic frequency control

  ঘ

  Automatic frequency circuit
• Which of the following oscillator is used as 1230 Hz oscillator?
  ক

  Hartley oscillator

  খ

  Crystal oscillator

  গ

  RC oscillator

  ঘ

  Wien bridge oscillator
• Which of the following sensor is used in ESR spectrometer?
  ক

  Hall-effect sensor

  খ

  Load cell

  গ

  Strain gauge

  ঘ

  Bourdon gauge