HYDRAULICS AND PNEUMATICS

Which energy is converted in hydraulic pump? Thermal energy to hydraulic energy Electrical energy to hydraulic energy Pneumatic energy to hydraulic energy Mechanical energy to hydraulic energy

Which valve is used to permit fluid flow in one direction and block flow in opposite direction? Check valve Shuttle valve Orifice check valve Pressure relief valve

Which formula is used to calculate the absolute pressure? Atmospheric Pressure - Gauge Pressure Atmospheric Pressure + Gauge Pressure Atmospheric Pressure x Gauge Pressure Atmospheric Pressure / Gauge Pressure

What is the unit of force in SI unit? Kilogram Newton Dyne Pounds

Which term is a metric unit of pressure equal to 1,00,000 pascal? Millibar Bar Kilo Pascal Newton

What is the name of valve?

Flow control valve Ball type check valve Swing check valve Pressure type valve

What is the unit of pressure in SI unit? Kilogram Pascal Pound Metre

Which type of valve connections are opened or closed by means of spool slide? Check valve Butterfly valve Solenoid valve Non-return valve

Which valve has two inlet / one outlet in hydraulic or pneumatic system? Slide valve Check valve Shuttle valve Solenoid valve

How hydraulic transmission force is controlled? By air By gears By fluids By electricity

Which valve protect against excessive pressure in hydraulic system? Non-return valve Relief valve Globe valve Gate valve

Which gauge indicates pressure valve above the atmospheric pressure? Pressure gauge Temperature gauge Receiver gauge Precision gauge

Which pressure value is read through pressure gauge? Absolute Pressure Vacuum Pressure Atmospheric Pressure Gauge Pressure

Why in hydraulic pump the filter is installed in suction line? Reduce the oil to enter Preventing foreign matter Reduce pressure in the pump Increase the pressure in the pump

Which valve is used for fine control of flow in pipe line? Gate valve Globe valve Needle valve Non - return valve

Which formula is used to calculate the pressure? Force + Area Force/Area Force - Area Force x Area

What is the name of pneumatic symbol?

Lubricator Filter Dryer Pressure gauge

Which parameter is specified to design hydrometer? Maximum operating pressure Maximum oil saving method Maximum piston size Maximum cylinder size

How direction control valves are classified? Number of ports and position Direction of flow Maximum pressure of valve Direction of pressure

What is the science that you study the properties and application of air? Hydraulic System Pneumatic System Electrical System Mechanical System

What is the type of direction control valve?

2/2 way valve 3/2 way valve 4/2 way valve 4/3 way valve

Which gauge indicates the amount of fluid pressure in the hydraulic system? Vacuum gauge Fluid gauge Pressure gauge Pneumatic gauge

Which system gets compressed air as energy inputs? Hydraulic System Pneumatic System Electrical System Mechanical System

Which pressure value is measured with respect to perfect vacuum? Vacuum Pressure Gauge Pressure Absolute Pressure Atmospheric Pressure

Which system is used to move load with less efforts? Pneumatics Hydraulics Pressure Flow of liquid

Which actuation is under the applications of pneumatics? Drag Push Close Open

Which valve is used to control the direction of the flow of fluid? Flow control valve Non - return valve Pressure control valve Directional control valve

Which system uses liquid as transmitting fluid? Pneumatic system Hydraulic Electrical Mechanical

Which part of the single acting cylinder is attached with the load? Spring Seal Piston Piston Rod

Which device in pneumatics is used for converting pressure energy of compressed air in to mechanical energy? Pneumatic actuators Filter Regulator Cylinder

Which valve is used for mechanical position to sense in machine automation system? Pressure relief valve Roller valve Flow control valve Directional valve

Which type of filter is used for trapping various sizes of particular matter? Mechanical filter Magnetic filter Absorbent filter Suction filter

Which valve is used to remove the excess amount of oil in the hydraulic system? Pressure relief valve Pressure reducing valve Pressure regulator valve Roller valve