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WorksheetsSensors & Transducers_Quiz-01
Total questions: 20
Worksheet time: 20mins
How many types of transducers are there?
2
4
6
8
The power needs of electrical transducers is ________
Maximum
Minimum
Zero
Infinite
Electrical transducers are _______
small and non-portable
large and non-portable
small and compact
large and portable
Mechanical transducers cause ________
Power loss
Hysteresis loss
Eddy current loss
Frictional loss
Potentiometric resistance transducer measures __________
Linear displacement
Rectangulargular displacement
Square displacement
Triangular displacement
Strain is defined as ________
Change in height per unit height
Change in weight per unit weight
Change in length per unit length
Change in diameter per unit diameter
Stress is defined as _________
Diameter per unit area
Length per unit area
Weight per unit area
Force per unit area
What is the relation between capacitance and output impedance?
Proportional to square
Constant
Directly proportional
Inversely proportional
Thermistor follows which law for small variations________
Charlie's law
KVL
KCL
Ohm's law
Piezoelectric crystals produce _________
No Voltage
Low Voltage
High Voltage
Very High Voltage
Piezoelectric crystals _________
Float on water
Dissolve in water
Are not soluble in water
Absorb water
When a compressive force is applied to a quartz crystal
Positive charges are induced
Negative charges are induced
No charge is induced
Both positive and negative charges are induced
A piezoelectric transducer has a _________
Very high sensitivity
Low sensitivity
High sensitivity
Zero sensitivity
Photoelectric transducers consist of _______
1 transducer
3 transducer
5 transducer
10 transducer
Photoconductive transducers produce output
Due to change in inductance
Due to change in light
Due to change in resistance
Due to change in temperature
What is a process control system?
system to keep the parameters at zero value
system to maintain the parameters constant
system to keep the parameters at highest value
system to check the voltage
An electrical transducer consists of ________
6 parts
4 parts
2 parts
8 parts
Load cell is used for the measurement of _______
Area
Force
Mass
Length
Load cells are calibrated such that _______
Force varies inversely with resistance
Force varies as the square of resistance
Force remains constant with resistance
Force varies directly with resistance
How many passive transducers are there?
1
3
5
7
