WorksheetsInstrumentation and Sensor Technologies - 1
Total questions: 50
Worksheet time: 27mins
Define Measurement
Measurement is the process by which one can convert physical parameters to meaningful numbers.
Measurement is the process by which one can convert electrical signals to physical parameters.
Measurement is the process by which one can convert physical parameters to electrical signals.
Measurement is the process by which one can convert physical parameters to other physical parameters.
Representation of results of measurement.
Number and Unit
Number only
Unit only
Picture
Which is not an example for measuring instrument?
Motor
Thermometer
Stopwatch
Weighing machine
The physical parameter or variable to be measured is called as
Measurand
Quantity
Property
Parameter
What is a standard?
A quantity of the same kind chosen as a unit or basis for comparison.
A measure of quality
A measure of reliability
A term indicating goodness
Which is not a unit of length?
Square meter
Yard
Meter
Feet
Which is not a unit of time?
Light Year
Year
Hour
Decade
Standard unit of Temperature in SI system
Kelvin
Celsius
Degree
Fahrenheit
quantity whose standard unit in SI system is meter per second squared.
Acceleration
Velocity
Volume
Area
quantity whose standard unit in SI system is meter per second.
Acceleration
Velocity
Volume
Area
quantity whose standard unit in SI system is meter squared.
Acceleration
Velocity
Volume
Area
quantity whose standard unit in SI system is meter cube.
Acceleration
Velocity
Volume
Area
The first element in a measurement system
Sensor
Display
Recorder
Datalogger
Which is not an example for sensor
Incandescent Lamp
Thermocouple
Strain gauge
liquid-in-glass thermometer
What is the output of a strain gauge?
Varying Resistance
Varying Capacitance
Varying Inductance
Frequency
The type of instrument which gives an output that varies continuously as the quantity being measured changes.
Analog
Digital
The type of instruments which has an output that varies in discrete steps.
Digital
Analog
The device used to interface analog instruments to computers.
Analog-to-digital converter
Digital-to-analog converter
Sensor
Transducer
A measure of how close the output reading of the instrument is to the correct value.
Accuracy
Resolution
Precision
Range
The term that defines the maximum error that is to be expected in some measurement.
Tolerance
Range
Linearity
Sensitivity
A measure of how consistent the output reading of the instrument.
Accuracy
Resolution
Precision
Range
Which of the following is used to measure pore water pressure?
Piezometer
Inclinometer
LVDT
Strain gauge
The sensor used to measure tilt.
Inclinometer
Piezometer
Load Cell
Strain gauge
The most accurate type of Piezometer
Vibrating wire
Standpipe
Pneumatic
Which is not an application of strain gauge?
Monitoring humidity in steel containers
Monitoring stresses in structural members during and after construction
Measuring strains in reinforced concrete
Measuring strain in tunnel linings and supports
What is the full form of LVDT?
linear variable differential transformer
linear variable differential transducer
linear voltage differential transformer
line voltage differential transducer
What is the use of LVDT?
measuring linear displacement
measuring temperature
measuring capacitance
measuring humidity
measuring precipitation
What is the function of a concrete batching plant?
combine various ingredients to form concrete
mix concrete
produce cement
crush rocks for concrete
What is the use of datalogger?
To collect data
To transmit data
To interpret data
To compress data
Which is a good solution to provide power supply to remote sensors?
Solar panels
Nuclear power
Hydro power near to sensors
Diesel Generator
Battery
What is the material used to fill the area near to the sensor in the installation of piezometers.
Sand
Bentonite
Concrete
Bitumen
What is the material used to fill the area between sensors in the installation of piezometers.
Sand
Bentonite
Concrete
Bitumen
What is the use of strain gauge?
to measure strain
to measure tilt
to measure water pressure
to measure temperature
to measure depth
How is inclinometer installed for dam monitoring?
In bare boreholes
In boreholes with casing
Above the dam
In boreholes with casing filled with sand and bentonite
Using sensor pavers
Slope can be controlled
Width can be controlled
Mixing can be controlled
Material flow can be controlled
Use of radio device in sensor systems?
To transmit data from remote locations
To listen to radio programs
For operator entertainment
For security purposes
Use of antenna in remote sensor locations
To transmit signals
To arrest lightning
For the birds to sit
To dry clothes
To sense rain
What is the use of vibrating wire interface?
To interface vibrating wire type sensors with dataloggers
To interface vibrating parts to wires
To provide vibration on wires
To sense earthquake
Which of the following uses casing in its installation?
inclinometer
piezometer
strain gauge
solar panel
Inclinometer casing is filled with concrete after installation
True
False
What is a collection zone in piezometer installation?
area around sensor filled with clean sand
area between sensors filled with bentonite
area above installation covered with concrete
area around installation isolated by barrier
Which is a better sensor?
Accuracy +/- 0.1% F.S.
Accuracy +/- 0.2% F.S.
Accuracy +/- 0.25% F.S.
Accuracy +/- 0.025% F.S.
Which is a better sensor?
Resolution +/- 0.1% F.S.
Resolution +/- 0.2% F.S.
Resolution +/- 0.25% F.S.
Resolution +/- 0.025% F.S.
What are the basic questions related to Sensor Selection?
What quantities need to be measured/monitored?
What levels of accuracy and precision are required?
Are measurements and monitoring requirements short- or long-term?
What are the best locations for measuring the required data?
Will installations interfere with the quantities being measured?
What are the basic questions related to Sensor Siting?
What quantities need to be measured/monitored?
Where can sensors feasibly be placed?
Are measurements and monitoring requirements short- or long-term?
What are the best locations for measuring the required data?
Will installations interfere with the quantities being measured?
What are the basic questions related to Sensor Installation?
How will data be stored and archived?
Which installation method will result in the highest quality data?
Are measurements and monitoring requirements short- or long-term?
What is the least obtrusive method for installation?
What is the most economical method for installation?
What are the basic questions related to Sensor Monitoring?
How will data be stored and archived?
Which installation method will result in the highest quality data?
Is a wireless or hard-wired connection more appropriate?
What is the least obtrusive method for installation?
What is the most economical method for installation?
Load cells are used to measure
Pressure
Temperature
Humidity
Inclination
The devices used to measure lateral movements in soil and rock
Inclinometers
Piezometers
Strain gauges
Load cells
Types of strain gauge configurations
Full bridge
Half bridge
Quarter bridge
1/8 bridge
