Question:
A \(\frac{4}{2}\) direction control valve used in pneumatic system is:
A \(\frac{4}{2}\) direction control valve used in pneumatic system is:
Updated On: June 02, 2025
- 2 ports
- 4 ports
- 6 ports
- 8 ports
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The Correct Option is B
Solution and Explanation
The correct option is (B): 4 ports
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Top Questions on Control valves
- A PD controller with transfer function \( G_c \) is used to stabilize an open-loop unstable process with transfer function \( G_p \), where: \[ G_C = K_C \frac{\tau_D s + 1}{\tau_D s}, \quad G_P = \frac{1}{(s - 1)(10s + 1)}, \] and time is in minutes. From the necessary conditions for closed-loop stability, the maximum feasible value of \( \tau_D \), in minutes, rounded off to 1 decimal place, is \_\_\_\_\_\_.
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion (A): The hydraulic actuating system operates more slowly in comparision to pneumatic system.
Reasons (R): The viscosity of the oil used in the hydraulic actuating system is higher.
In the light of the above statements, choose the most appropriate answer from the options given below:
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