Q. Which among the following are not the accurate selection criteria for air compressors?

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Q. What is the normal pressure at which the compressed air is stored?

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Q. The compressed air is very costly.

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Q. Which among the following leads to conserving of energy?

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Q. What is the use of Intake air filters?

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Q. What is the function of Interstage coolers?

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Q. The removal of moisture from the compressed air is done using ____

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Q. What is the function of the control valve?

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Q. There is no difference between the control valve of the pneumatic and hydraulic system.

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Q. What is the function of the pressure control valve?

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Q. The valve packing of control valves is used ____

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Q. What is the formula of speed control valve during extension of a flow control valve?

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Q. What is the formula of speed control valve during retraction of a flow control valve?

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Q. Which among the following are not the ‘work parameters’ of the fluid?

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Q. Which among the following are not the main selection criteria of the control valves?

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Q. Which is not an output device?

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Q. Who invented hydraulic press?

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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 1200 kg/m³, Take g=10 m/s²?

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Q. What is the push provided by water used in fluid based actuator, if a wooden ball of radius 3 cm is immersed in it, Given that the water has a density of 1000 kg/m³, wood has a density of 900 kg/m³, Take g=10 m/s²?

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Q. The ON and OFF time of a buzzer can be controlled using PLC control system.

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