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WorksheetsEECE Exam part 2
Total questions: 34
Worksheet time: 32mins
The ability to give the same output reading when the same input value is applied repeatedly is known as
Stability
Repeatability
Accuracy
Sensitivity
The study of relationship between the input and output, when the input is invariant with respect to time, is called
Static characteristics of instruments
Dynamic characteristics of instruments
Variable characteristics of instruments
None of the above
The following main dynamic characteristics is usually considered in Mechatronics application of sensors
Response Time
Rise Time
Time Constant
All of the above
Change in output with change in input is
Threshold
Slew rate
Sensitivity
None of the mentioned
Inductive proximity sensors can be effective only when the objects are of ______ materials
Ferro magnetic
Diamagnetic
Paramagnetic
All of the above
Any radiation of appropriate wavelength falling on the depletion layer of a p–n junction develops a potential difference between the junction; this is the working principle of
Hall Effect sensor
Proximity sensor
Light sensor
All of the above
Following is (are) true for Hall effect sensors
They can operate as switches of high frequency
They cost less than electromechanical switches
They are free from contact bounce problem
All of the above
Smallest change which a sensor can detect is
Resolution
Accuracy
Precision
Scale
A piezo-electrical crystal generates voltage when subjected to ______ force
Electrical
Mechanical
Gravity
All of the above
The following is not a static performance parameter to be looked into before selecting a parameter
Range
Deflection
Stability
Error
Which of the following is not an analog sensor
Potentiometer
Force-Sensing Resistor
Accelerometers
None of the mentioned
Sensitivity of a sensor can be depicted by
Nyquist plot
Pole–Zero plot
Bode plot
None of the mentioned
Which of the following is correct for tactile sensors
Touch sensitive
Pressure sensitive
Input voltage sensitive
Humidity sensitive
The ability of the sensor to indicate the same output over a period of time for a constant input is
Stability
Resolution
Error
Impedance
Following acts as detector in optical sensor
Light emitting diode
Photo diode
Transistor
All of the above
Which of the following terms IS NOT one of the five basic parts of a robot
Peripheral tools
End effectors
Controller
Drive
The most common mechanical configuration for industrial robots is
Articulated arm configuration
Spherical arm configuration
Cylindrical configuration
Any of these
The number of moveable joints in the base, the arm, and the end effectors of the robot determines
Degrees of freedom
Payload capacity
Operational limits
Flexibility
Articulated arm configuration is also known as
Jointed arm configuration
Spherical arm configuration
Cylindrical configuration
Any of these
It is derived from the fact that movement about one axis is hardware-independent of movement about any other axis
Degree of movement
Degrees of axis
Degrees of freedom
Degree of independence
Identify the robot generation that is equipped with various sensors and has a closed-loop control system.
(a)
Name the robot’s arm which consists of a sequence of rigid links connected by means of joints.
(a)
Name the robot’s hand which is used to grasp objects.
(a)
Identify what is considered the most specialized robot’s hand.
(a)
Name the robot’s brain and nervous system.
(a)
Identify the robot actuator that is used in motors.
(a)
Identify the robot actuator that has the quickest response.
(a)
Identify the robot actuator that is suitable in flammable environments.
(a)
Identify the left-and-right movement type of degree of freedom (DOF).
(a)
Identify the up-and-down movement type of degree of freedom (DOF).
(a)
Group the following into Mechanical systems, Electronic systems, or Information technology:
a. Automation.b. Mechanical Elements
c. Software Engineering
d. Precision Mechanics
e. Microelectronics
f. Artificial Intelligence
g. Sensors and Actuators
Arrange the following components of temperature measurement system according to measurement system
a. Hot Body
b. Display System
c. Thermocouple
d. Amplifier
e. converter
Refer to the figure of a person guiding wood along a bandsaw to cut a circle. What control principle is illustrated by the human adjusting motion based on the observed cutting path?
Explain the difference between an open-loop system and a closed-loop system by selecting the statement that best describes their distinction.
