Q. The coolant used in heavy-duty engines should be______

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Q. In a 50% concentration of ethylene glycol (by volume) lowers the freezing point of water to ______Degree Centigrade.

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Q. The boiling point of ethylene glycol used in the coolant is ______Degree Centigrade.

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Q. The coolant is made up of three components they are ______

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Q. The pH range of Coolant is ______

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Q. ______ Meter is used to measure the Glycol and water ratio present in the coolant?

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Q. Carboxylates are added in the Coolant to prevent from ______

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Q. The qualities of the Anti-freezer must have these Qualities ______

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Q. The ratio of Ethylene glycol and Water in the coolant is ______

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Q. The additives which are added to lower the Freezing point of the coolant is ______

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Q. The Fans consumes around ______% of the engine BP If not operated efficiently and economically.

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Q. The material used in the manufacturing of Fans in the cooling system is ______

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Q. For the reduction of noise, the blades are spaced ______ sometimes.

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Q. In Siemens VDO’s Smart coolant pump the pump is operated by the means of ______

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Q. The core material used in the preparation of the radiator core is ______

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Q. The pump mounted at the front end of the engine is driven from the ______by means of V-belt.

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Q. In Bellows type thermostat the valve movement depends upon the difference between _____

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Q. ______ is used to keep the cooling water automatically to a predetermined value.

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Q. ______ Reservoir is provided to provide excess coolant as the engine temperature increases.

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Q. ______ valves Operates to avoid the collapse of the radiator.

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