This set of MCQ(multiple choice questions) focuses on the Industrial Automation and Control NPTEL Week 11 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 11 Assignment Solutions
Q1. If speed of a fan is decreased by 50 %, by what percentage does the pressure created by fan decrease?
a) 50%
b) 25%
c) 75%
d) 12.5%
Answer: b) 25%
Q2. A control valve can be divided into actuator and body part. Which of the following is not a sub-part of actuator?
a) Rain cap
b) Eye bolt
c) Spring
d) Seat ring
Answer: d) Seat ring
Q3. Which one of the following fan speed control methods gives pulsating output?
a) Outlet damper control
b) Variable speed drive
c) ON-OFF control
d) Variable speed drive with outlet damper
Answer: b) Variable speed drive
Q4. Which of the following are energy saving methods for fan speed control?
I. ON-OFF control
II. Outlet damper
III. Variable speed drive
IV. Variable speed drive coupled with Outlet damper
a) I, II, III
b) I, III, IV
c) II, III, IV
d) I, II, III, IV
Answer: b) I, III, IV
Q5. Find the ratio of air flow Q2/Q1 and ratio of power requirement HP2/HP1 when fan speed ratio is N2/N1 = 5 (Q: Air flow, N: Fan speed, HP: Power requirement)?
a) 25, 125
b) 25, 25
c) 5, 125
d) 125, 125
Answer: c) 5, 125
Q6. Select the correct parts for turning process
a) A – Spindle, B – Workpiece, C – Tool
b) A – Workpiece, B – Tool, C – Spindle
c) A – Workpiece, B – Cutter, C – Spindle
d) A – Spindle, B – Cutter, C – Workpiece
Answer: a) A – Spindle, B – Workpiece, C – Tool
Q7. Match the following
a) A – III, B – II, C – IV
b) A – II, B – III, C – I
c) A – II, B – III, C – IV
d) A – III, B – II, C – I
Answer: b) A – II, B – III, C – I
Q8. _________ is process of removing material from rotating work piece.
a) Drilling
b) Milling
c) Programming
d) Turning
Answer: d) Turning
Q9. Match the following for the technical features of the CNC machine.
a) A – III, B – I, C – IV
b) A – II, B – III, C – I
c) A – IV, B – I, C – II
d) A – II, B – III, C – IV
Answer: d) A – II, B – III, C – IV
Q10. Match drives with their characteristics:
a) A – III, A – IV, B – I, B – II
b) A – II, A – III, B – I, B – IV
c) A – II, A – IV, B – III, B – I
d) A – I, A – II, B – III, B – IV
Answer: a) A – III, A – IV, B – I, B – II
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