M&I 101-153

First element of Piezo electric pressure transducer

• diaphrgm
• bellows
• capsule
• burdon tube

when the pressure is applied the piezoelectric crystal produces

• current
• voltage
• resistence
• reluctance

piezo electric crystal is used to measure pressure in the range of

• 0-50psi
• 0-5psi
• 0-50000psi
• 0-20psi

Calibration procedure includes

• only span
• only zero
• zero, span and linearity adjustments
• only linearity

Displacement can be measured by

• both mechanical and electrical methods
• only mechanical
• only electrical
• Electromagnetic

In The variable reluctance pickup _______________________is used inside the magnetic field

• simple coil
• resistance
• capacitance
• transducer

Output of potentiometric type displacement transducer is

• resistance
• capacitance
• inductance
• voltage

In LVDT the core material is made up of________ substance

• non magnetic
• magnetic
• brass
• wood

LVDT converts displacement to ________.

• resistance
• voltage
• current
• source

LVDT converts

• linear motion into an electrical signal
• linear motion into an displacement
• linear motion into an resistence
• linear motion into an mechanical energy