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What are the objectives of annealing?
Annealing, is a heat treatment where in a material is altered, causing alters in its properties like as strength and hardness. It is a process that makes conditions by heating and maintaining a suitable temperature, and then cooling. Annealing is used to persuade ductility, relieve internal stresses, refine the structure and better cold working properties.
Porosity: The property of the refractory brick is the ratio of its pore volume to the total volume. The refractory material with high porosity is not preferred for furnace lining
Explain the problems of flooding and channeling in packed tower
In the dryer air furnace, a natural gas containing 92.5 mole% methane, 4.8% ethane, and the remainder propane is burned with 20% excess air. The fuel enters the furnace at 25°C and
Q. Discuss the significance of viscosity in lubricating oil. How the viscosity is determined by Redwood viscometer? OR Wr
PREPARATION OF COMPARATIVE CHART You are given three envelopes containing quotations from three firms for two items. You will prepare a comparative chart in the format given be
Explain Eddy Current Losses Eddy Current Losses The core of a generator armature is made from soft iron, which is a conducting material with desirable magnetic sort. Any con
Materials used for DC applications are: Iron and low-carbon steels (maximum carbon 0.05 %) • Iron-Nickel alloys (Permalloy) • Iron-Cobalt alloy (Permendur)
What is phosphate conditioning in water softening?
Saponification number: Saponification number of oil is the number of milligram of potassium hydroxide required to saponify 1 g of oil. Mineral oils are the mixture of hydrocarbons
a) List various advantages and drawbacks of using transparent polymeric materials for eyeglass lenses. (b) Cite 4 properties (in addition to being transparent) that are important
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