Which turbine is commonly used in hydropower plants with medium head?
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Francis
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Kaplan
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Pelton
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Steam turbine
Which turbine is used for high head, low flow applications?
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Steam turbine
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Kaplan turbine
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Pelton turbine
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Francis turbine
Which part of an IC engine increases the compression of the air-fuel mixture?
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Piston
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Camshaft
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Crankshaft
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Cylinder head
Which type of IC engine is more efficient at higher compression ratios?
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Gas turbine
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Steam engine
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Petrol engine
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Diesel engine
What type of compressor is commonly used in refrigeration systems?
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Centrifugal
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Reciprocating
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Axial flow
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Gear
Which machine element is used to transmit power between non-parallel shafts?
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Bevel gear
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Helical gear
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Worm gear
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Spur gear
What type of pump is used for low-flow high-pressure applications?
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Mixed flow pump
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Centrifugal pump
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Axial flow pump
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Gear pump
Which cycle is used in steam power plants?
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Diesel cycle
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Brayton cycle
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Otto cycle
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Rankine cycle
What type of gear has teeth cut at an angle to the axis?
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Worm gear
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Helical gear
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Spur gear
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Bevel gear
Which mechanical element stores energy in a twisted or compressed form?