What is the operating temperature recommended for achieving optimum service life?

The maximum permissible temperature for domestic supply is ? 5 to 10°C 10 to 15°C 15 to 20°C 20 to 25°C

Specific heat capacity

The temperature danger zone is the temperature range betweenA50-60 °C B5-60 °C C25-35 °C D10- 60 °C

The safe temperature ranges for the storage of foods are determined by

Normally the human body can endure a temperature of 105°F for only short periodsof time without permanent damage to the brain and other vital organs. What is thistemperature in degrees Celsius?