This set of MCQ(multiple choice questions) focuses on the Industrial Automation and Control NPTEL Week 1 Assignment Solutions.
Course Layout
- Week 0: Assignment Solution
- Week 1: Assignment Solution
- Week 2: Assignment Solution
- Week 3: Assignment Solution
- Week 4: Assignment Solution
- Week 5: Assignment Solution
- Week 6: Assignment Solution
- Week 7: Assignment Solution
- Week 8: Assignment Solution
- Week 9: Assignment Solution
- Week 10: Assignment Solution
- Week 11: Assignment Solution
- Week 12: Assignment Solution
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Industrial Automation and Control NPTEL Week 1 Assignment Solutions
Q1. Distillation Process is an example of __________ type of automation.
a) Fixed
b) Programmable
c) Flexible
d) Integrated
Answer: a) Fixed
Q2. Flexible automation is used in situation such as:
I. High production volume desired per unit time.
II. Significant variability in product type.
III. Product life cycles are short.
a) Only statement I is TRUE
b) Only statement II is TRUE
c) Statements II and III are TRUE
d) All are TRUE
Answer: c) Statements II and III are TRUE
Q3. A shopkeeper sells wheat at a profit of 10% and uses weights which are 20% less than the actual weight. The total gain earned by him will be.
a) 30%
b) 37.5%
c) 42.5%
d) 20%
Answer: b) 37.5%
Q4. The figure shown below signifies a typical Industrial Product Life Cycle. Find the correct order from the statements below.
I. Market Feedbacks
II. Product Design
III. Process Planning, Installation
IV. Production, Quality Control
a) I-A, II-B, III-C, IV-D
b) I-B, II-a, III-C, IV-D
c) I-C, II-D, III-A, IV-B
d) I-D, II-A, III-B, IV-C
Answer: d) I-D, II-A, III-B, IV-C
Q5. Pharmaceutical production unit is an example of __________ system.
a) Continuous flow process
b) Discrete flow process
c) Batch production
d) Job shop production
Answer: c) Batch production
Q6. I. Warehouses are benefitted from ____________.
II. Shopping malls are benefitted from ____________.
a) I- Economy of scale, II- Economy of scope
b) I- Economy of scope, II- Economy of scale
c) I, II- Economy of scope
d) I, II- Economy of scale
Answer: b) I- Economy of scope, II- Economy of scale
Q7. Industrial automation systems are organized hierarchically as shown in the following figure. Match the statements.
I. Sensors and actuators
II. Production Control
III. Automatic Control
IV. Supervisory Control
V. Enterprise Control
a) I-A, II-B, III-D, IV-C, V-E
b) I-A, II-D, III-C, IV-B, V-E
c) I-E, II-D, III-C, IV-B, V-A
d) I-E, II-B, III-D, IV-C, V-A
Answer: d) I-E, II-B, III-D, IV-C, V-A
Q8. Which of the following levels of an industrial automation system interact directly with process of the machine?
a) Production control
b) Sensors and Actuators
c) Supervisory control
d) Automatic control
Answer: b) Sensors and Actuators
Q9. Onwards what level of industrial automation system, some task can be done by human and some may be achieved by computers?
a) Automatic control
b) Sensors and Actuators
c) Production control
d) Supervisory control
Answer: d) Supervisory control
Q10. Variable conversion and power amplification are two main functions of which of the components of industrial automation system?
a) Automation controller
b) Sensors
c) Actuators
d) Supervisory control
Answer: c) Actuators
Q11. Suppose a power plant boiler is operating at 10% load between 3 AM to 9 AM, 70% load between 9 AM to 5 PM and 15% load between 5 PM to 9 PM. The operating point/load of the boiler is drastically changing. Which of the following statements appear to be correct in this scenario?
I. A single automatic controller with fixed parameters is enough to meet the changing load requirements.
II. A supervisory control can be applied that changes control parameters of an automatic controller based on different load requirements throughout the day.
III. A supervisory control can be implemented that switches among different automatic controller to meet the changing load requirement of the boiler.
IV. A supervisory control logic with a set of automatic controllers and no load requirement feedback is enough to handle the boiler load requirements.
a) All are correct
b) I, II and III are correct
c) II, III and IV are correct
d) II and III are correct.
Answer: d) II and III are correct.
Q12. Continuous variable control and discrete even control come under which level of the industrial automation system?
a) Supervisory control
b) Production control
c) Automatic control
d) Enterprise control
Answer: c) Automatic control
Q13. Which of the following is NOT a function of automatic controller?
a) Setting up reference point to follow
b) Discrete event control
c) Continuous variable control
d) Disturbance rejection
Answer: a) Setting up reference point to follow
Q14. Which one of the following is an example of continuous variable control?
a) Automatically selling off a stock A when moving average of stock price exceeds a limit.
b) If temperature of a room is in range 25 0C to 40 0C, switch on the fan and switch on the air conditioner if temperature exceeds 40 0C.
c) Fully open a pressure relief valve when pressure exceed a limit else shut if off completely.
d) Maintaining water level at a height ‘h’ in a water tank. Out-flow of water follows an open downwards parabolic curve.
Answer: d) Maintaining water level at a height ‘h’ in a water tank. Out-flow of water follows an open downwards parabolic curve.
Q15. Business planning and logistics (level 4), Manufacturing operations and management (level 3) and Monitoring and supervising (level 2) are three top levels in industrial automation system pyramid. Match the software ERP, MES and SCADA with appropriate levels of automation they are used at.
a) level 3 -MES, level 2 – ERP, level 4 – SCADA
b) level 4 – MES, level 2 – ERP, level 3 – SCADA
c) level 3 – MES, level 4 – ERP, level 2 – SCADA
d) level 2 – MES, level 4 – ERP, level 3 – SCADA
Answer: c) level 3 – MES, level 4 – ERP, level 2 – SCADA
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