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A three-phase, 50-Hz induction motor has a full load speed of 700 r /min and a no-load speed of 740 r/min.
(a) How many poles does the machine have?
(b) Find the slip and the rotor frequency at full load.
(c) What is the speed of the rotor field at full load (i) with respect to the rotor? and (ii) with respect to the stator?
Use the Lee-Kesler method- Calculate the entropy of propane at its critical point. The reference state is the ideal-gas state at the critical point.
The precipitate was collected, dried, and found to weigh 1.36 g. Determine the atomic mass of M, and identify M.
The amount of KOH solution required per hour. the adiabatic temperature of the reaction (no cooling is used
Calculate the required value of Ta1 if the film temperature falls to 34°C, and the value if it rises to 36°C.
Suggest suitable materials of construction for the following applications: a. A 10,000 m3 storage tank for toluene
Give a description of the product and its physical and chemical properties, including a chemical structure drawing - Identify at least one company the produces your product and where the production facilities are located (city, country).
A rectangular loop is placed in the field of an in- finitely long straight conductor carrying a current of I amperes, as shown in Figure P12.1.2. Find an expression for the total flux linking the loop, assuming a medium of permeability µ.
Mass of Air Required for Combustion of Fuel. A coal fired boiler uses fuel having the following analysis by mass:
Radioactive copper-64 decays with a half-life of 12.8 days. a. What is the value of k in s^-1? b. A sample contains 28.0 mg 64Cu. How many decay events will be produced in the first second?
Write an equation for the combustion of PVC in oxygen. Suggest a reason why its incineration poses a serious risk during a fire.
Under these conditions, name one crystalline defect that you would expect to form in order to maintain charge neutrality. How many Cu+ ions are required for the creation of each defect? How would you express the chemical formula for this nonstoichiom..
Develop a series of design graphs that can be used to demonstrate acceptable combinations of tubes dimensions
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