Q. What is the push provided by a hydraulic fluid used in fluid based actuator, if a steel ball of radius 3 cm is immersed in it, Given that the fluid has a density of 1500 kg/m³, Take g=10 m/s²?

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Q. Which is an electro-pneumatic device?

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Q. Which actuator does not need any external power source?

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Q. How many directions are there, for a fluid to flow in check valves?

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Q. How many directions are there, for a fluid to flow in shuttle valves?

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Q. The OPEN and CLOSE time of an electro pneumatic valve can be controlled using PLC control system.

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Q. Thermal actuators need electric current for operation.

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Q. What is the full form DCV in terms of pneumatic control systems?

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Q. Which valve should be used if there is a need of fluid to flow in 4 directions?

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Q. Which valve works on electricity and not on pressure difference?

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Q. Which is an example of pressure regulator?

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Q. Who invented check valve?

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Q. Solenoid valves cannot be used for controlling the valve of a liquid flowing through a channel.

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Q. Wax motor does not require external electrical power source.

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Q. What type of motion can be achieved using thermal actuator?

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Q. Which is an example of push pull solenoid electromagnet?

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Q. Which type of component in the hydraulic system supports less vibration and noise?

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Q. Duplex cylinders contain more than one piston.

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Q. Which type of cylinder has rod length less than the piston diameter?

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Q. Which is not an example of linear actuator?

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