# Industrial Automation and Control | NPTEL | Week 8 Assignment Solutions

This set of MCQ(multiple choice questions) focuses on the Industrial Automation and Control NPTEL Week 8 Assignment Solutions.

### Course Layout

NOTE: You can check your answer immediately by clicking show answer button. Moreover, this set of ” Industrial Automation and Control NPTEL Week 8 Assignment Solution” contains 10 questions.

Now, start attempting the quiz.

### Industrial Automation and Control NPTEL Week 8 Assignment Solutions

Q1. Specific gravity of a liquid is Sg = 1.5, value flow coefficient Cv = 1.15 ls-1psi-0.5 and pressure drop â–³P = o.13 psi. Find the liquid flow rate Q rounded off up to 2 decimal places?

a) o.34 ls-2
b) o.33 ls-1
c) o.34 ls-1
d) o.35 ls-1

Q2. By what percentage does the flow through a linear value will decrease at 60% opening as compared to fully open condition?

a) 60%
b) 40%
c) 20%
d) 10%

Q3. Pneumatic actuators have __________ speed and ___________ size than those of Solenoid actuator?

a) Higher, Larger
b) Higher, Smaller
c) Lower, Smaller
d) Lower, Larger

Q4. Match the valves shown in following figure with their types?

a) A – Linear, B – Equal percentage, C – Quick opening
b) A – Quick opening, B – Equal percentage, C – Linear
c) A – Linear, B – Quick opening, C – Equal percentage
d) A – Quick opening, B – Linear, C – Equal percentage

Q5. Dynamic viscosity(Âµ) of a liquid is 8.9 x 10-4 kg/ms, pipe’s cross-section(A) is 8 cm2 and hydraulic diameter(DH) of the pipe is 6 cm. Reynolds number(Re) is 2.5 x 105. Find mass flow rete (W) through the pipe. (rounded off up-to 2 decimal places)

Industrial Automation and Control NPTEL Week 8 Assignment Solutions

Q6. Statement I: Remote I/O can be analog and digital.
Statement II: Local I/O carries data in multiplexed form.
Find the correct option based on statements above.

a) Only Statement I is TRUE
b) Only Statement II is TRUE
c) Both are TRUE
d) Both are FALSE

Q7. Video RAM is a kind of ___________.

a) SRAM
b) Single Ported DRAM
c) Dual Ported DRAM
d) NVRAM

Industrial Automation and Control NPTEL Week 8 Assignment Solutions

Q8. Which out of the following is the main function of a Watchdog timer?

a) control the compare mode
b) control the capture mode
c) Protection from failure to the system
d) All of the mentioned

Industrial Automation and Control NPTEL Week 8 Assignment Solutions

Q9.

Q10. In the Ladder diagram show in the Figure above, coil CR1 will energize if:
Statement I: CR7 is off, CR2 is on, CR5 is on.
Statement II: CR1 is on, CR4 is on, CR5 is on.
Statement III: CR1 is on, CR4 is on, CR2 is on, CR6 is on, CR5 is off, CR3 is off, CR7 is on.
Find the correct option based on statements above:

a) Only Statement I is TRUE
b) Only Statement I and II are TRUE
c) Only Statement II and III are TRUE
d) All are TRUE

`DISCLAIMER: Use these answers only for the reference purpose. Quizermania doesn't claim these answers to be 100% correct. So, make sure you submit your assignments on the basis of your knowledge.`