

MCQOPTIONS
This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
1. |
The controller characteristics for on-off controller follow _________. |
A. | only one curve |
B. | two curves |
C. | four curves |
D. | unpredictable |
Answer» C. four curves | |
2. |
On-off Control is also called as ________. |
A. | one position control |
B. | two position control |
C. | four position control |
D. | half position control |
Answer» C. four position control | |
3. |
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 |
Answer» E. | |
4. |
When the output is bounded for bounded inputs, then the system is said to be_______. |
A. | stable |
B. | unstable |
C. | functional |
D. | nonfunctional |
Answer» B. unstable | |
5. |
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 |
Answer» C. Rturbulent = 4 x Rlaminar | |
6. |
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 |
Answer» D. Unpredictable | |
7. |
Heat in thermal system is analogous to __________ in electrical energy. |
A. | current |
B. | potential difference |
C. | resistance |
D. | charge |
Answer» E. | |
8. |
The phenomenon of storing heat energy in a system is called as thermal______. |
A. | conductance |
B. | resistance |
C. | capacitance |
D. | all of the above |
Answer» B. resistance | |
9. |
__________ of PLCs can be done in very little time. |
A. | Programming |
B. | Installation |
C. | Commissioning |
D. | All of the above |
Answer» E. | |
10. |
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 |
Answer» D. able to give a set point | |
11. |
The PLC is used in _______. |
A. | machine tools |
B. | automated assembly equipment |
C. | moulding and extrusion machines |
D. | all of the above |
Answer» E. | |
12. |
Which of the following can be the output of PLC? |
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) |
Answer» E. | |
13. |
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 |
Answer» E. | |
14. |
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 |
Answer» E. | |
15. |
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 |
Answer» C. number of interfaces | |
16. |
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 |
Answer» C. interface | |
17. |
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 |
Answer» E. | |
18. |
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 |
Answer» D. none of the above | |
19. |
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 |
Answer» B. Closed loop system | |
20. |
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 |
Answer» C. Both a. and b. | |
21. |
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 |
Answer» B. Closed loop system | |
22. |
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 |
Answer» D. all of the above | |
23. |
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 |
Answer» D. None of the above | |
24. |
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 |
Answer» B. Signal Processor Stage | |
25. |
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 |
Answer» D. None of the above | |
26. |
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 |
Answer» E. | |
27. |
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 |
Answer» E. | |
28. |
What is meant by Kinetics? |
A. | It deals with the study of relative motion between different components of a machine |
B. | It deals with the forces acting on different components |
C. | It deals with the inertia forces acting on different components of the engine |
D. | All of the above |
Answer» D. All of the above | |