A multiplier is ______
1. non-capacitive
2.capacitive
3.non-inductive
4.resistive
Increasing secondary burden ______
1. decreases Is
2.keeps Is constant
3.decreases Ip
4.increases Is
Inductance control is obtained by _____
1. using R5
2.using R4
3.using R2
4.using Lx
Which of the following IR radiation is used in measuring relative humidity?
1.Wavelength of less than 1um
2.Wavelength less than 3um
3.Wavelength greater than 10um
4.Wavelength of any value
Which of the following is the guarding arm?
1. capacitance C
2.resistance R
3.parallel RC combination
4. series RC combination
A bridge circuit is used for the measurement of which of the following components?
1.Resistance, capacitance, and inductance
2.Diode, triode, and thyristor
3.Transistor, thermistor, and antenna
4.LED, op amp, and transducer
A bridge circuit uses which method of measurement?
1.absolute
2.relative
3.differential
4.comparison
A Schering bridge can be used for the ______
1. protecting the circuit from temperature rises
2. testing capacitors
3.measuring voltages
4.measuring currents
A simple bridge circuit consists of a network of ______
1.3 resistance arms
2.2 resistance arms
3.4 resistance arms
4. 6 resistance arms
D.C. bridges are used for ______
1.measurement of resistance
2.measurement of capacitance
3.measurement of current
4.measurement of inductance
FICT stands for _____
1.Forced iso concentration technique
2.Flouro iso concentration technique
3.Flouro ion concentration technique
4.Flouro ion carry transfer
For moisture measurement, microwave of ____________ wavelength is used.
1.Less than 3um
2.Less than 3nm
3.Less than 3mm
4. less than 3cm
How is the voltage ratio dependent on the frequency?
1.they aid each other
2. depends on the setup of the circuit
3.they are independent of each other
4.they oppose each other
In which of the following method of acquisition, pretrigger event is lost?
1.Sequential repetitive sampling
2.Real time sampling
3.Analog Sampling
4.Random repetitive sampling
PICT has high sensitivity than FICT.
1.True
2.False
3.all of the above
4.None of the mentioned
PICT stands for ________
1.Proton iso-concentration technique
2.Perchloro ion concentration technique
3.Proton iso control technique
4.Proton inhibition cell technique
Relationship at balance condition between the component values of the four arms of a bridge is known as ____
1.full load condition
2.open circuit condition
3.short circuit condition
4.balancing condition
The accuracy of a bridge depends on the _____
1.null indicator
2.bridge components
3.current source
4.voltage source
The windings of a C.T. are ____
1.tied together
2.shorted
3.wound over one another
4.grounded
Under which of the following conditions a bridge is balanced?
1.When no current flows
2.When the temperature of the circuit is high
3.When power dissipation is high
4.When no voltage drop across the circuit
Unknown capacitance value is obtained by _____
1.using a vibration galvanometer
2.using capacitance of other ratio arms
3.comparison with standard
4.using a tuned detector
What is applied to the two opposite junctions of a bridge circuit?
1.source of voltage
2.source of current
3.source of power
4. source of impedance
What is the dependence of frequency on the balance equation?
1. varies by a factor of 2
2. depends on the detector used
3. independent
4.depends on the supply magnitude
What is the effect of capacitance on wattmeter reading?
1.opposite to that of resistance
2. aiding the capacitance
3.aiding the inductance
4.opposite to that of inductance
What is used to characterize single port devices, multiport devices, etc?
1.current values
2.impedance values
3.voltage values
4.power values
When is the bridge circuit balanced?
1. When voltage is applied
2.When current flows through the opposite ends of the bridge circuit
3. When no current flows through the galvanometer
4.When impedance is minimum
When the moving coil in a Dynamometer type wattmeter deflects ________
1. pointer doesn’t move
2.current flows
3.voltage is generated
4.pointer moves
Which of the following can be measured using Maxwell’s Inductance Capacitance Bridge?
1.Capacitance
2.Frequency
3.Mutual Inductance
4. Inductance
Which of the following compares the output in a successive approximation type DVM?
1. comparator
2.diode
3.op amp
4.rectifier
Which of the following determines light intensity in a CRT?
1.current
2.fluorescent screen
3.voltage
4.momentum of electrons
Which of the following determines the rate of measurement cycles?
1.multivibrator
2. oscillator
3.oscilloscope
4.amplifier
Which of the following device is used to measure power in A.C. circuits?
1. ammeter
2.wattmeter
3.voltmeter
4.ohmmeter
Which of the following is a balance equation for computing the resistance?
1.R1 = R2 â„ R4
2.R1 = R3 â„ R4
3. R1 = R2 R3
4.R1 = R2 R3â„R4
Which of the following is correct for water activity?
1.Ratio of relative equilibrium moisture and 10
2.Ratio of relative equilibrium moisture and 100
3. Ratio of relative equilibrium moisture and 1000
4.Relative equilibrium moisture
Which of the following is not used for measuring moisture?
1. IR absorption method
2.Microwave loss method
3.Both IR absorption and microwave loss method
4.None of the mentioned
Which of the following is the best example of a single-channel data acquisition system?
1. APM
2.DPM
3.CPM
4. BPM
Which of the following is the main device used in the linear ramp technique?
1. non-linear ramp
2.linear ramp
3.asymptotic ramp
4.exponential ramp
Which of the following is the main function of auxiliary equipment?
1. non-linear response
2. linear response
3.ramp response
4.unit step response
Which of the following is the main objective of process control?
1.to control electrical parameters
2.to control optical parameters
3.to control physical parameters
4.to control mechanical parameters
Which of the following is the most popular method for measuring low resistance?
1.ducter ohmmeter method
2. kelvin double bridge method
3.ammeter-voltmeter method
4.potentiometer method
Which of the following is the most sensitive detector for single frequency value?
1.oscillator
2. headphone
3.tuned detector
4.vibration galvanometer
Which of the following method is used for the measurement of Medium Resistance?
1. Direct-Deflection method
2.Anderson Bridge
3.Kelvin’s double bridge method
4.Carey-Foster bridge method
Which of the following method of measurement does a bridge circuit uses?
1.relative
2.comparison
3.absolute
4.differential
Which of the following oscilloscope is used in a digital storage oscilloscope?
1.dual trace
2. conventional
3. multi trace
4.modern
Which of the following represents RH value of moisture contained sample?
1.Water activity
2.Moisture content
3. Ion concentration
4.Acidity
Which of the following technique is most widely used in the single channel data acquisition system?
1.Successive approximation
2.Delta Sigma approximation
3.Flash approximation
4.Counter type approximation
Which of the following technique of a Dual Trace Oscilloscope maintains the phase between the signals?
1.Mixed mode
2.Alternate mode
3.Analog mode
4.Chop mode
Which principle operates a bridge circuit?
1. null indication
2.ampere’s rule
3. partial indication
4.kirchhoff’s laws