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Which of the words means a device that creates movement between parts of a machine or that changes backward and forward movement into circular movement

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Which of the words means a hard, white or grey layer of material that forms on the inside of pipes or containers that heat water

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Which of the following words means a concentrated mixture of water with salt?

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Which of the following words means removing and pulling relief valve in air compressor?

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Which of the following words means the reservoirs for pressurized air keeping? 

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When vacuum is achieved open the valve for feed water treatment, this is to prevent ........................................ inside the plates.

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Check the water coming out of the salinometer is not salty and also check the ........................ of the salinometer

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Open the sea water discharge valve from where the water is ........................ to the sea after circulating inside the fresh water generator.

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The evaporation of water takes place at 100 deg centigrade.................... atmospheric pressure.

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The temperature available from this ............................. is about 70 deg. centigrade.