1) Which of the following is/are characteristic/s of mechatronic products and systems?
a. Functional interaction between mechanical, electronic and information technologies
b. Spacial interaction of subsystems in one physical unit
c. Intelligence related to the control functions of the mechatronics system
d. All of the above
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2) The mechatronics is an interdisciplinary field in which the disciplines those act together are _________
a. Mechanical systems and Electronic systems
b. Mechanical systems and Information technology
c. Electronic systems and Information technology
d. Mechanical systems, Electronic systems and Information technology
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Answer
Explanation
Related Ques
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ANSWER: Mechanical systems, Electronic systems and Information technology
Explanation:
No explanation is available for this question!
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3) Group the followings into Mechanical systems, Electronic systems and Information technology.
1. Automation
2. Mechanical elements
3. Software engineering
4. Precision mechanics
5. Microelectronics
6. Artificial intelligence
7. Sensors and actuators
a. Mechanical Systems: 2, 4
Electronic System: 5, 7
Information Technology: 1, 3, 6
b. Mechanical Systems: 2, 7
Electronic System: 4, 5, 6
Information Technology: 1, 3
c. Mechanical Systems: 2, 4
Electronic System: 5, 6, 7
Information Technology: 1, 3
d. Mechanical Systems: 2, 7
Electronic System: 4, 5
Information Technology: 1, 3, 6
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Answer
Explanation
Related Ques
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ANSWER: Mechanical Systems: 2, 4
Electronic System: 5, 7
Information Technology: 1, 3, 6
Explanation:
No explanation is available for this question!
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4) What is used to make considerable simplification in the devices such as watches and cameras etc. as compared to pure mechanical designs?
a. Actuators with electrical auxiliary energy
b. Amplifiers with electrical auxiliary energy
c. Both a. and b.
d. None of the above
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5) In which stage the measurement system comes in contact with the measurand or the quantity to be measured?
a. Transducer Stage
b. Signal Processor Stage
c. Output Stage
d. None of the above
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6) Which of the following functions can a control system carry out?
a. The system output can be controlled to some desired particular value for particular input
b. If certain conditions are satisfied, it can give a particular sequence of output, corresponding to given input
c. Either a. or b.
d. None of the above
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7) A group of components which can complete certain tasks or achieve certain desired results in a desired manner while working together is called as_____
a. output system
b. sequence system
c. control system
d. all of the above
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8) In which system does the output not affect the process in any way?
a. Open loop system
b. Closed loop system
c. Both a. and b.
d. None of the above
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9) The temperature control system which maintains the temperature of a room at 30 oC when it is set is an example of_____
a. Open loop system
b. Closed loop system
c. Both a. and b.
d. None of the above
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10) Which control system does not have a stability problem?
a. Open loop system
b. Closed loop system
c. Both a. and b.
d. None of the above
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11) Data acquisition is the process in which, physical variables from the real world are_____
a. converted into electrical signals
b. modified and converted into a digital format for processing
c. both a. and b.
d. none of the above
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12) Which of the following cannot be considered as data in Data Acquisition System (DAQ)?
a. Temperature
b. Mechanical displacement
c. Flow rate
d. None of the above
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13) What is the input of the data acquisition system (DAQ) to which a transducer is connected called?
a. control element
b. channel
c. interface
d. function
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14) The capacity of data acquisition system (DAQ) can be specified in terms of______
a. number of control elements
b. number of channels
c. number of interfaces
d. number of functions
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15) Which module of data acquisition system (DAQ) consists of the CPU that controls the complete data acquisition system?
a. Input module
b. Output module
c. Sampling module
d. Control module
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16) Which of the following cannot be an input that is given to the PLC?
a. Manual switches
b. Relays
c. Sensors
d. None of the above
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17) Which of the following can be the output of PLC?
1. Relay coils
2. Solenoids
3. Indicators
4. Motors
5. Lamps
6. Alarms
a. Only (1), (2), (3) and (4)
b. Only (3), (4), (5) and (6)
c. Only (1), (2), (3) and (5)
d. All the (1), (2), (3), (4), (5), and (6)
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18) The PLC is used in _______.
a. machine tools
b. automated assembly equipment
c. moulding and extrusion machines
d. all of the above
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19) PLC can be ___________ in plant to change the sequence of operation.
a. only programmed
b. only reprogrammed
c. programmed and reprogrammed
d. able to give a set point
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20) __________ of PLCs can be done in very little time.
a. Programming
b. Installation
c. Commissioning
d. All of the above
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21) The phenomenon of storing heat energy in a system is called as thermal______.
a. conductance
b. resistance
c. capacitance
d. all of the above
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22) Heat in thermal system is analogous to __________ in electrical energy.
a. current
b. potential difference
c. resistance
d. charge
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23) What is the formula for thermal capacitance?
a. (Change in heat stored) / (Change in heat transfer rate)
b. (Change in heat stored) / (Change in thermal resistance)
c. (Change in heat stored) / (Change in temperature)
d. Unpredictable
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Answer
Explanation
Related Ques
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ANSWER: (Change in heat stored) / (Change in temperature)
Explanation:
No explanation is available for this question!
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24) What would be the relation between the resistances for laminar flow and turbulent flow for the same head (H) and flow rate (Q)?
a. Rturbulent = (1/2) x Rlaminar
b. Rturbulent = 2 x Rlaminar
c. Rturbulent = 4 x Rlaminar
d. Rturbulent = 2000 x Rlaminar
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25) When the output is bounded for bounded inputs, then the system is said to be_______.
a. stable
b. unstable
c. functional
d. nonfunctional
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26) Which of the following is/are the Continuous Control Mode/s used in control systems?
a. On-Off Control
b. Integral Control
c. Proportional Control
d. All of the above
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27) On-off Control is also called as ________.
a. one position control
b. two position control
c. four position control
d. half position control
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28) Consider the below diagram of Two Position Control. What would be the value of error, when the controller output takes a fixed value corresponding to the 'ON' position of final control element?
a. zero
b. less than zero
c. more than zero
d. unpredictable
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29) The controller characteristics for on-off controller follow _________.
a. only one curve
b. two curves
c. four curves
d. unpredictable
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30) Consider the following graph of error (e) vs controller output (m). The curve B corresponding to the value of error e2 is the curve followed by controller characteristics when value of error __________.
a. is decreasing
b. is increasing
c. remains constant
d. is unpredictable
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