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In the foundry, the electric furnaces cannot operate for high temperatures.

In the foundry, the electric furnaces cannot operate for high temperatures. Correct Answer False

The electric furnaces usually operate up to high temperatures of 1700oC. As the electric induction and electric resistance furnaces are used to melt almost all types of metals, it is seen that electric furnaces operate at a wide range of temperatures.

Related Questions

Match List-I with List-II and select the correct answer using the code given below the Lists: List I (Low-Latitude Climate) List I (Characteristic) A. Wet Equatorial 1. Uniform temperatures, mean near 27°C  B. Monsoon and trade wind coastal 2. Marked temperature cycle with very high temperature before the rainy season C. Wet-dry tropical  3. Temperatures show an annual cycle with a high temperature in the high-Sun season Strong temperature cycle. with intense temperature during the high-Sun season  D. Dry tropical 4. Strong temperature cycle, with intense temperature during the high-Sun season
Square crucible furnaces are more efficient than the round crucible furnaces.
Crucible furnaces are economical for melting metal, but heat loss is the major problem in the crucible furnaces.
In foundry during casting processes, carbon monoxide gas is produced only by the furnaces.
Which of the following devices is used to measure relatively high temperatures, such as encountered in furnaces?
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Routers operate at layer _____. LAN switches operate at layer ______. Ethernet hubs operate at layer _____. Word processing operates at layer _______.
Operating cost involved in the mechanized foundry is more than the cost of any other simple foundry for large production of castings.
What is the value of C.O.P. of high-temperature cascade system in terms of intermediate temperature in the following diagram? If TEL and TCL = Evaporator and condenser temperatures for low-temperature cascade system TEH and TCH = Evaporator and condenser temperatures for high-temperature cascade system
Based on the given para, answer the following question. Sensitivity considerations often are important in the design of Control Systems. Because all physical elements have properties that change with environment and age, we cannot always consider the parameters of the Control System to be completely stationary over the entire operating life of the system. For instance, the winding resistance of an electric motor changes as the temperature of the motor rises during operation. Control systems with electric components may not operate normally when first turned on because of the still-changing system parameters during warmup. This phenomenon is sometimes called “morning sickness”. Most duplicating machines have a warmup period during which time operation is blocked out when first turn on. A good Control System should be: (a) Very sensitive to parameter variations (b) Insensitive to parameter variations (c) Insensitive to input commands (d) Sensitive to input commands Which of the above are correct?