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What would the annuity be over a 20 year period that has an interest rate of 10% and a present worth of $500?

(A) $58.75

(B) $42.55

(C) $8.51

(D) $ 63.75

The Correct Answer
Explanation

A copper ball that is 1.5 m in diameter has a temperature of 100C. The environment is at 0C. If the emissivity of copper is 0.15 how much power is radiated by the copper ball?

(A) 6 w (B) 5,264 W (C) 500 W (D) 1,164 W

Correct Answer: D

What is the hydraulic diameter of a 20 inch diameter pipe that is half full?

(A) 10 inches (B) 2.5 inches (C) 20 inches (D) 5 inches

Correct Answer: D

You are tasked with identifying where the stress concentrations may appear on a support beam. Of the following locations which will not have a stress concentration? I Near concentrated loads II. Close to discontinuities of the beam III Where distributed loads occur.

(A) II & III (B) II (C) I & II (D) III

Correct Answer: D

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