What is an excessive heat condition?

What is an excessive heat condition?
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1 Answer

Answer :

A condition in which the heat in or around the circuit increases to  a higher than normal level
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Grounds occurring in electrical machinery as a result of insulation failure may result from _____________. A. deterioration through extended use B. excessive heat C. extended periods of vibration D. all of the above

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The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid (A) Its evaporation loss (B) Excessive corrosion (C) Uneconomic LMTD (D) Decrease in heat exchanger efficiency

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Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld (D) Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld

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Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

Rocks formed due to alteration of original structure due to heat and excessive pressure are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these

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Hypothermia occurs due to loss of excessive heat from body due to sudden low body temperature in: (1) Frogs (2) Human beings (3) Lizards (4) Snakes

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Last Answer : Human beings

What is the purpose of a heat shunt?

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Last Answer : To prevent damage to heat-sensitive components.