During a measurement, for a measure value “B”, absolute error is obtained as “A”, what will be the relative error of measurement?
1. A/B
2.B/A
3.(A+1)/B
4. (B+A)/A
Posted Date:-2022-04-21 09:49:15
In the sample cell, which of the following is selected to give maximum optical transmission in the UV-visible region?
1.Tungsten
2.Quartz
3.Phosphor
4.Potassium
Posted Date:-2022-04-21 09:23:40
Two switches are in parallel and are connected with a lamp and supply in series. This represents which of the following logic gate?
1. AND gate
2.OR gate
3. EX-OR gate
4. EX-OR gate
Posted Date:-2022-04-21 09:28:11
_______ is used to prevent oscillation in moving system.
1.Oscillatory system
2.Controlling
3. Damping system
4.Deflecting
Posted Date:-2022-04-21 09:52:53
________ of a measuring system refers to its ability to follow instant by instant the measurand with time.
1.Bandwidth
2.Fidelity
3.Measurement lag
4.Settling time
Posted Date:-2022-04-22 04:57:04
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?
1.9
2.6
3.1
4.8
Posted Date:-2022-04-21 09:27:19
Accuracy and Precision are dependent on each other.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-04-21 09:48:52
Capacitive transducer is used for?
1.Static measurement
2.Dynamic measurement
3. Transient measurement
4.Both static and dynamic
Posted Date:-2022-04-22 04:54:59
Closeness of measured value to true value is ________
1. Accuracy
2. Precision
3.Correction
4.Uncertainty
Posted Date:-2022-04-22 04:56:36
CMOS gates are commercially available as which of the following series?
1.1000
2. 2000
3. 3000
4.4000
Posted Date:-2022-04-21 09:46:08
ECL is a way of achieving a higher speed of gate.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-04-21 09:34:12
For a Measurement, indicated value is 225V while true value if 226V. What will be the static error of an instrument?
1. 1V
2.-1V
3.0.5V
4.-0.5V
Posted Date:-2022-04-22 04:58:47
For a measuring system, dynamic sensitivity is required to be ________ of static sensitivity.
1. ±2%
2.±5%
3.±10%
4.±20%
Posted Date:-2022-04-22 04:57:29
Given a DC voltmeter has a sensitivity of 500ohm/V. For a full scale reading in 100V range, what will be the current through voltmeter?
1.500mA
2. 200mA
3.250mA
4.300mA
Posted Date:-2022-04-21 09:53:44
In a measurement, what is the term used to specify the closeness of two or more measurements?
1. Precision
2.Accuracy
3.Fidelity
4.Threshold
Posted Date:-2022-04-21 09:48:31
In a measuring system quantity under measurement is termed as ______
1. Measurand
2.Controllers
3.Sensors
4. Indicators
Posted Date:-2022-04-21 09:48:07
In a measuring system what is the term used to specify a difference between higher and lower calibration values?
1.Range
2.Span
3.Drift
4. Threshold
Posted Date:-2022-04-21 09:49:45
In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-04-21 09:24:28
In TTL logic, the input transistor has a number of ________ equal to the desired fan-in of the circuit.
1.Base
2.Collect
3.Emitter
4.Gate
Posted Date:-2022-04-21 09:31:59
INHIBIT gate is ________ gate with an inhibiting input.
1.AND gate
2.OR gate
3.EX-OR gate
4.NOT gate
Posted Date:-2022-04-21 09:29:27
Schottky TTL logic family does not have which of the following features?
1. Good fan-in
2.Good fan-out
3.High speed capability
4.High propagation delay
Posted Date:-2022-04-21 09:33:26
Science of precise and accurate measurement of various physical quantities is termed as ______
1. Metrology
2.Meteorology
3.Pedology
4.Mineralogy
Posted Date:-2022-04-21 09:47:42
The 100 kHz oscillator acts as which of the following?
1.Transmitter
2.Receiver
3.Modulator
4.Transmitter and receiver
Posted Date:-2022-04-21 09:22:21
The basic function of TTL gate is which of the following functions?
1.AND
2. OR
3.NOR
4.NAND
Posted Date:-2022-04-21 09:31:18
The logic ‘0’ of ECL is represented as ______V and logic ‘1’ is represented as ______V.
1.1, 1.65
2.0.9, 1.75
3. 1.2, 2.35
4.1.9, 4.3
Posted Date:-2022-04-21 09:33:49
The oscilloscope is used to display the klystron mode.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-04-21 09:23:10
The output will be logic ‘1’ only if all the inputs are ‘0’. Which gate must be used to execute this condition?
1.AND gate
2.NAND gate
3.NOR gate
4.EX-OR gate
Posted Date:-2022-04-21 09:28:51
The standard TTL gates are marketed as _______ series.
1.80
2.82
3.74
4.08
Posted Date:-2022-04-21 09:32:56
The switching of MOS gates can be improved by using CMOS.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-04-21 09:46:27
Using a voltmeter measured value is 24.3V, while its true value is 24V. What is the relative error of measurement?
1.1.25%
2.1.2%
3.1.3%
4.1.4%
Posted Date:-2022-04-21 09:50:09
Using an instrument for measuring capacitance gives an output 203.5nF whereas true value is 203.9nF. What will be the static correction of the instrument?
1. -0.4nF
2.0.4nF
3.1nF
4.0.5nF
Posted Date:-2022-04-21 09:54:38
What is the principle of operation of LVDT?
1.Mutual inductance
2.Self-inductance
3.Permanence
4. Reluctance
Posted Date:-2022-04-22 04:53:14
What is the relation between scale factor and sensitivity of a transducer?
1. Scale factor is double of sensitivity
2.Scale factor is inverse of sensitivity
3. Sensitivity is inverse of scale factor
4.Sensitivity is equal to scale factor
Posted Date:-2022-04-22 04:52:16
What is the relation between static error and static correction?
1. Static error is negative of static correction
2.Both are equal
3.No relation
4.Both will be always positive
Posted Date:-2022-04-22 04:59:15
What is the span of an ammeter with range -30 to +30A?
1.60
2.-60
3. 30
4.20
Posted Date:-2022-04-21 09:53:21
What is the span of an instrument, operating under a bias which read a value from 230V to 450V only?
1.450
2.220
3.230
4.400 K
Posted Date:-2022-04-22 04:57:54
What is the term used to express the ability of a measuring system to maintain its standard performance?
1. Zero stability
2.Stability
3.Sensitivity
4. Linearity
Posted Date:-2022-04-22 04:59:42
What will be the ratio of amplitudes of largest (maximum) signal to smallest (minimum) signal to which the system is subjected?
1.Time constant
2.Settling period
3.Dynamic range
4.Bandwidth
Posted Date:-2022-04-22 04:58:21
What will be the sensitivity of a voltmeter for 0 to 50mA meter movement?
1.20ohm/V
2.25ohm/V
3.50ohm/V
4.5ohm/V
Posted Date:-2022-04-21 09:54:09
Which of the following can be measured using Piezo-electric transducer?
1. Velocity
2.Displacement
3. Force
4.Sound
Posted Date:-2022-04-22 04:54:13
Which of the following can be used to store information?
1.Gates
2. ADC
3.DAC
4.Flip-flops
Posted Date:-2022-04-21 09:25:43
Which of the following is an analog transducer?
1.Encoders
2.Strain gauge
3.Digital tachometers
4.Digital tachometers
Posted Date:-2022-04-22 04:52:46
Which of the following is known as a nibble?
1.1 bit
2. 4 bits
3.8 bits
4.16 bits
Posted Date:-2022-04-21 09:26:23
Which of the following is not the advantage of MOS gates?
1. Low power dissipation
2.Small size
3. Good immunity to noise
4.High switching speeds
Posted Date:-2022-04-21 09:34:36
Which of the following is the binary equivalent of the decimal number 10?
1. 1100
2.1010
3.1010
4.1110
Posted Date:-2022-04-21 09:26:57
Which of the following is the most widely employed logic family?
1.Emitter-coupled logic
2.Transistor-transistor logic
3.CMOS logic family
4.NMOS logic
Posted Date:-2022-04-21 09:30:33
Which of the following is the propagation delay of TTL circuits?
1.1 s
2. 1 ms
3.1 ns
4.1 ps
Posted Date:-2022-04-21 09:32:22
Which of the following is used in photo conductive cell?
1.Selenium
2.Quartz
3.Rochelle salt
4.Lithium sulphate
Posted Date:-2022-04-22 04:55:38
Which of the following removes residual harmonics from the phase-detected signal?
1.High-pass filter
2.Low-pass filter
3.Band-pass filter
4.Chopper
Posted Date:-2022-04-21 09:22:47
Which of the following samples the analog signals to obtain their digital equivalent?
1.Analog to digital converter
2.Electronic counter
3.Comparator
4.Digital to analog converter
Posted Date:-2022-04-21 09:25:00