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Has the rate of movement of the Pacific plate been constant over the lifetime of the Hawaiian-Emperor island chain? Which section has been moving faster?
The oldest rocks that make up Lo'ihi is an estimated 400,000 years old. Using the rate of plate movement that you calculated in question #2, how far has it traveled in km since its first lava cooled? Hint: you need to rearrange the rate formula to determine distance and then convert cm to km. Rate=distance/time so distance= rate x time.
Compute the efficiency at one-half load, assuming that the stray-loss and rotational losses do not change with load.
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
Assume the plant is built at time zero and begins operation at full rate in year 1. Assume the rate of corporate income tax is 35% and taxes must be paid based on the previous year's income.
Derive an expression similar to Eq. (56) for finding the optimum exit temperature of cooling water from a heat exchanger when the temperature of the material being cooled is not constant.
A steam turbine, operating reversibly and adiabatically, takes in superheated steam at 2000 Wa and discharges at 50 kPa.
Neglecting stator resistance and rotational and stray-load losses, and assuming constant rotor resistance, calculate the starting torque and the maximum torque in per-unit of full-load torque, as well as the slip at which the maximum torque occurs..
Determine the force applied to the plunger by the electric system.
Acetone of at least 95 mol% purity is wanted, and the aqueous effluent must not contain more than 1 mol% acetone. The feed will be a saturated liquid. Estimate the number of ideal stages required.
A profit-producing property has an initial value of $50,000, a service life of 10 years and zero salvage and scrap value. By how much would annual profits before taxes be increased if a 5 percent sinking-fund method were used to determine deprecia..
A three-phase, wye-connected, cylindrical-rotor, synchronous motor, with negligible armature resistance and a synchronous reactance of 1.27 Ω per phase, is connected in parallel with a three phase, wye-connected load taking 50 A at 0.707 lagging p..
263Sg decays by emission. What is the other product resulting from the decay of 263Sg?
In an advertisement it is claimed that a brand of domestic air freshener will last on average at least 70 days. The mean and standard deviation of the lifetimes of a sample of 19 air fresheners were 69.3 days and 2.9 days respectively.
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