Hydraulic Actuator and Output Devices MCQ
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What is the push provided by a hydraulic fluid used in fluid based actuator, if a steel ball of radius 3cm is immersed in it, Given that the fluid has a density of 1500kg/m3, Take g=10m/s2?
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How many pixels are there in 16*2 displays?
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How many columns of pixel matrix are present in 16*2 display?
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Motor is a rotary actuator.
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What is the push provided by a fluid used in fluid based actuator, if a plastic ball of radius 4cm is immersed in it, Given that the fluid has a density of 1100kg/m3, plastic has a density of 800kg/m3, Take g= 10m/s2?
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Generator is a rotary actuator.
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How many LED’s (Light Emitting Diodes) are present in 7 segment display?
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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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What is the push provided by a hydraulic fluid used in fluid based actuator, if a steel ball of radius 3cm is immersed in it, Given that the fluid has a density of 2000kg/m3, Take g=10m/s2?
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Archimedes principle depends on the density of the immersed object.
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The ON and OFF time of a buzzer can be controlled using PLC control system.
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What is the push provided by water used in fluid based actuator, if a wooden ball of radius 3cm is immersed in it, Given that the water has a density of 1000kg/m3, wood has a density of 900kg/m3, Take g=10m/s2?
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What is the push provided by a hydraulic fluid used in fluid based actuator, if a steel ball of radius 3cm is immersed in it, Given that the fluid has a density of 1200kg/m3, Take g=10m/s2?
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Who invented hydraulic press?
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Which is not an output device?