# Industrial Automation and Control | NPTEL | Week 9 Assignment Solutions

This set of MCQ(multiple choice questions) focuses on the Industrial Automation and Control NPTEL Week 9 Assignment Solutions.

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### Industrial Automation and Control NPTEL Week 9 Assignment Solutions

Q1. Select the suitable option.
where P is pressure, F is force, A is area, Q is flow rate and v is flow velocity.

a) P = F/A
b) F = P/A
c) Q = v/A
d) v = QA

Q2. ___________ is used in hydraulic systems.

a) Air
b) Oil
c) Steam
d) Gas

Q3. Select the suitable option for the given diagram.

a) Pump
b) Motor
c) O – ring
d) Reversible

Q4. ___________ will allow flow in one direction but not in other direction.

a) Two way valve
b) Three way valve
c) Four way valve
d) Check valve

Q5. Select the suitable option for the given diagram.

a) Reservoir
b) Cylinder
c) Relief valve
d) Check valve

Industrial Automation and Control NPTEL Week 9 Assignment Solutions

Q6. In a typical force-controlled proportional solenoid valve, force change for the stroke change is:

a) exponential
b) linear
c) constant for a long range
d) zero

Answer: c) constant for a long range

Q7. The above diagram is a symbol of:

a) a hydraulic pump
b) a hydraulic motor
c) an air compressor
d) a check valve

Industrial Automation and Control NPTEL Week 9 Assignment Solutions

Q8. Statement I: Cylinder is a Rotary actuator.
Statement II: Electro-Hydraulic servo valves are used in Aviation applications.
Find the correct option based on statement above:

a) Only statement I is TRUE
b) Only statement II is TRUE
c) Both are TRUE
d) Both are False

Industrial Automation and Control NPTEL Week 9 Assignment Solutions

Q9. In a stroke controlled proportional solenoid valve, feedback comes from:

a) Voltage transducer
b) Current transducer
c) Position transducer
d) Pressure transducer

Q10. Choose the correct blocks for the architecture of a closed loop position control of a hydraulic system-

a) A- Ramp Generator, B-V to I converter C- Servo Amplifier, D-Position Sensor
b) A- Ramp Generator, B-Servo Amplifier C- V to I converter, D-Position Sensor
c) A- Servo Amplifier, B- V to I converter, C- Ramp Generator, D- Position Sensor
d) A- Servo Amplifier, B- Position Sensor, C- Ramp Generator, D- V to I converter

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