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MCQs: The scales form in heat exchangers after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient. The reciprocal of this scale heat transfer coefficient is called as
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Fouling factor of a heat exchanger can be calculated by
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MCQs: Which fluid is used in hydraulic power systems?
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MCQs: Why is fluid power preferred in mobile vehicles? 1. Power can be transmitted without any delay 2. When overloaded, fluid power systems stop without damaging the components 3. Speed variation cannot be achieved 4. Fluid is non-compressible
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MCQs: What effect does overloading have on fluid power and electrical systems?
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MCQs: How is power transmitted in fluid power systems?
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MCQs: Generally liquids are non-compressible but when a large pressure of 70 bar is applied, petroleum oil can be compressed up to
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MCQs: Can all hydraulic fluids be compressed when extremely large pressure is applied?
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MCQs: The resistance offered to the flow of fluid inside a piston develops into
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MCQs: At low pressures, liquids are
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MCQs: Which of the following statements are false? 1. Pressure is resistance to flow 2. Friction creates pressure 3. Load cannot create pressure on the system 4. The pressure developed decreases if load offers more resistance
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In hydraulic systems,
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MCQs: Which of the following is used as a component in hydraulic power unit?
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MCQs: Rotary motion in a hydraulic power unit is achieved by using
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MCQs: Accessories used in a hydraulic power unit adjust pressure and are used to generate flow and direction of the fluid.
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MCQs: Which of the following statements are true? 1. Bell housing connects motor and pump 2. Centrifugal pump is a non-positive displacement pump 3. Centrifugal pumps allow the back flow of fluid from delivery side to the suction side of the pump 4. The function of vent plug used in a reservoir is to flush out oil
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MCQs: What is the relation between speed and flow rate for fixed displacement vane pump?
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MCQs: In fixed displacement vane pump,
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MCQs: Which type of motion is transmitted by hydraulic actuators?
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MCQs: What is the function of electric actuator?
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