The selection of animals for breeding is built around the concepts of ____________________ transfer.

Fill in the blank(s) with the appropriate word(s).


gene

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A wind turbine with a rotor diameter of 40 m produces 90 kW of electrical power when the wind speed is 8 m? s?1. The density of air impinging on the turbine is 1.2 kg? m?3. What fraction of the kinetic energy of the wind impinging on the turbine is converted to electrical energy?

What will be an ideal response?

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An uninsulated turbine receives superheated steam at 1000 psia, and the steam exits as a saturated vapor at 60 psia. There is a heat loss of 900 Btu/s from the turbine. The mass flow rate of the steam is 55 lbm/s. Using your turbine model, plot the power produced by the turbine for inlet temperatures ranging from 600oF to 950oF.

Given: P1 = 1000 psia; x2 = 1.0 (saturated vapor); m?=55 lbm/s; P2 = 60 psia; Q?=?900Btus; Steam State 1 is the inlet, state 2 is the outlet. Assume: For a turbine, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?

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What is a redundant gas valve?

A) A gas valve that was once necessary on older furnaces but is no longer used B) A gas valve with two valves mechanically in series C) A gas valve that is used in case the main valve quits working D) A gas valve that has no real purpose

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A buyer can purchase 70 screwdrivers. Ten 4-inch lengths, twelve 6-inch lengths, twenty 8-inch lengths are needed. How many heavy 24-inch screwdrivers can be bought to obtain the total of 70 screwdrivers?

Fill in the blank(s) with the appropriate word(s).

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