MCQs: Which of the following statements is true?
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MCQs: In which circuits, relay of low voltage and low current is used to make open or close contact?
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MCQs: In electropneumatic circuits,
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MCQs: Why are electromechanical relays more popular than solid state relays?
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MCQs: In which control valve energy consumption reduces as load decreases?
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MCQs: Which of the following is a characteristic of servo valve?
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MCQs: What is PLC?
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MCQs: What causes burning of AC solenoid coil?
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MCQs: When PLC connections are used instead of electrical connections, the order of operations to be performed can be interchanged by
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MCQs: Which of the following reasons make water unsuitable to use as a fluid in hydraulic systems? 1. Poor lubrication 2. High viscosity 3. More leakage 4. Quickly evaporates
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MCQs: The heat generated in hydraulic systems can be absorbed by
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MCQs: In sliding spool valves hydraulic fluid acts as sealant to reduce leakage
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MCQs: For which of the following purpose hydraulic film acts as a seal between the machined cavity and spool?
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MCQs: Which of the following statements are true? 1. Low viscosity fluids have higher leakage 2. High viscosity fluids have high pressure drop 3. Low viscosity fluids consume more power 4. Low viscosity leads to wear of components
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MCQs: Pressure applied on a fluid in a container is equally distributed in all directions and acts with
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MCQs: Which law explains the behavior of hydraulic fluids under pressure?
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MCQs: Flow of oil in a pipe takes place due to
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MCQs: Pressure drop in pipes, occurs due to
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MCQs: How is laminar flow characterized in a straight pipe?
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MCQs: Positive displacement pump used in hydraulic systems have
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