WorksheetsMaintenance of pressure instrument
Total questions: 22
Worksheet time: 34mins
What is the SI unit of pressure?
Pascal (Pa)
Bar
Psi
Newton
What is the atmospheric pressure on the earth's surface in psi?
14.7
0.068
15.5
10
What type of pressure is above atmospheric pressure?
Absolute Pressure
Differential Pressure
Vacuum
Gauge Pressure
What is the pressure below atmospheric pressure in psi?
10
15.5
0.068
-14.7
What is the zero in a pressure gauge scale?
0 atmospheric pressure
14.7 perfect vacuum
15.5 psi
10 bar
What is the name of the c-shaped tube used in mechanical pressure sensors?
Bourdon tube
Diaphragm
Bellows
Capacitance type sensor
Which type of sensor is based on the principle of capacitance?
Strain gauge sensor
Piezo-resistive sensor
Capacitance type sensor
Piezoelectric sensor
Which type of sensor is based on the principle of strain and resistance ?
Which type of sensor is based on the principle of resistance ?
Piezo-electric sensor
Piezo-resistance sensor
Capacitance sensor
All of the above
Which type of sensor is based on the principle of voltage ?
Piezo-electric sensor
Piezo-resistive sensor
Strain gauge
Non of the above
Name the device
Name the device installed with the pressure gauge :
Is a device used in steam services ?
Absolute pressure gauge
Pressure gauge with diaphragm isolator
Pressure gauge
Pressure gauge with siphon
These pressure gauges are filled with glycerine or silicone oil, what is the purpose of the glycerin or silicon oil ?
What type of pressure gauge shown above ?
Compound pressure gauge
Differential pressure gauge
Absolute pressure gauge
Non of the above
Name the gauge
The predetermined pressure value at which the micro-switch will ‘open’ or ‘close’ on increasing or decreasing pressure.
Adjustable set point range
Reset
Set point
Dead band
The point at which micro-switch will switch back to its default status is called __________
The difference between set point and reset is called ___________
What type of signal does the output of a Foundation Fieldbus transmitter produce?
4 - 20 mA analog signal
Digital signal
3 - 15 psi
All of the above
What does HART stand for?
What does FF stands for ?
