In Cooling system when the cooling is reached beyond the limits leads to______ of viscosity and ______ of the Mechanical Efficiency.(a) increase and Decrease(b) decrease and Increase(c) increase and Increase(d) decrease and DecreaseThe question was asked in exam.Query is from Methods of Cooling in section Cooling System of Automotive Engine Design

In Cooling system when the cooling is reached beyond the limits leads

1.	In Cooling system when the cooling is reached beyond the limits leads to______ of viscosity and ______ of the Mechanical Efficiency.(a) increase and Decrease(b) decrease and Increase(c) increase and Increase(d) decrease and DecreaseThe question was asked in exam.Query is from Methods of Cooling in section Cooling System of Automotive Engine Design
Answer» The correct answer is (a) increase and Decrease The explanation: As TEMPERATURE and viscosity are INVERSELY PROPORTIONAL to each other the viscosity of the LUBRICANT Increase and due to this more piston friction is encountered thus Decrease of mechanical efficiency.

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