Mechanical Engineering Quiz

The characteristic that provides an output with respect to the relation with the input is called as ___________

• calibration of a system

• response of a system

• characteristic relation of a system

• instrumentation of a system

The main function of Actuator is _____

• To produce motion

• Detect input

• Detect output

• Detect the state of the system

Which among the following carry out the overall control of a system?

• Graphical display

• Sensors

• Actuators

• Digital controls

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

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

Which error is also termed as measurement error?

• Static errors

• Dynamic errors

• Systematic errors

• Statical error

What is the function of an input signal conditioning unit?

• To produce control signals

• To amplify the signal and convert it into digital form

• To perform mechanical work

• To produce electrical signals

A thermocouple is a transducer.

• True

• False

The light emitting diodes are used as a/an ____

• intelligence

• display

• transducer

• sensor

What is the relative error percentage of an observation taken by an ultrasonic sensor which predicts the distance of an object to be 2.12cm but the actual value is 2cm?

• 12%

• 10%

• 6%

• 1%