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 2000 kg/m³, Take g=10 m/s²?

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Q. Where will the push provided by a fluid of hydraulic piston will be more? (Consider the pistons are cylindrical and have same height)

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Q. How many LED’s (Light Emitting Diodes) are present in 7 segment display?

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Q. Generator is a rotary actuator.

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Q. What is the push provided by a fluid used in fluid based actuator, if a plastic ball of radius 4 cm is immersed in it, Given that the fluid has a density of 1100 kg/m³, plastic has a density of 800kg/m³, Take g= 10 m/s²?

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Q. Motor is a rotary actuator.

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Q. How many columns of pixel matrix are present in 16*2 display?

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Q. How many pixels are there in 16*2 displays?

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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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