ME 8791-Mechatronics-Important 50 question

. What are transducers?

• They convert power from one form to another

• They convert work from one form to another

• They convert work to power

• They convert energy from one form to another

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

. Active transducer do not require any type of additional power source for an operation.

• True

• False

What type of energy conversion does a piezoelectric transducer perform?

• It converts mechanical energy to sound energy

• It converts sound energy to mechanical energy

• It converts mechanical energy to electrical energy

• It converts electrical energy to mechanical energy

Tags

NGSS.HS-PS3-3

. Pirani Gauge is an example of which type of transducer?

• Pressure transducer

• Temperature transducer

• Light transducer

• Mechanical transducer

The IC LM35 is used as which type of sensor?

• Pressure sensor

• Temperature sensor

• Light sensor

• Mechanical sensor

What is the range of frequency of the waves produced by the Ultrasonic transducer?

• 20 Kilohertz to several Gigahertz

• 1 Kilohertz to several Gigahertz

• 40 Kilohertz to several Megahertz

• less than 20 Kilohertz

Tags

NGSS.HS-PS4-1

What is the full form of LVDT with respect to displacement transducer?

• Linear variable differential temperature

• Linear variable differential transformer

• Liquid visible differential transformer

• Liquified visible differential transformer

What is the effect on properties of LDR when light falls on it?

• Its resistance remains same

• Its resistance changes

• Its capacitance changes

• Its inductance changes

What is measured by a hall effect transducer?

• Electric flux

• Electric Field

• Magnetic field

• Temperature

Tags

NGSS.MS-PS2-3

. In which state of chemical substances does a chemical sensing device work?

• Solid

• Liquid

• Vapour

• Plasma

Tags

NGSS.MS-PS1-4