A tube that is 10 feet long and 2 feet in diameter is placed in an air
stream. The flow of the air is at a speed of 15 ft/s and is
perpendicular to the long axis of the tube. If the coefficient of drag
is 1.3 and the density of air is 0.075 lbm/ft^{3} What is the drag on the cylinder?

(A) 150 lbf

(B) 200 lbf

(C) 320 lbf

(D) 220 lbf

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

**Correct Answer: A**

A plane intercepts the coordinate axis at (4,6,10). What are the Miller indices for this plane?

(A) (2,3,5) (B) (15,10,6) (C) (-4,-6,-10) (D) (10,6,4)

**Correct Answer: B**

The magnitude(N) of the resultant of the three coplanar forces, A, B, and C, is most nearly:

(A) 7.0 (B) 7.8 (C) 9.2 (D) 10.3

**Correct Answer: A**

### More PE Exam Questions

- 1What is the natural frequency of a body that has a period of oscillation of 2.7 seconds?
- 2
If a process is considered to be internally reversible and adiabatic, what can the change in entropy be assumed to be?

- 3
A piston inside a cylinder undergoes an isentropic compression with the following values.

$latex p_1= 4.57 \frac{N}{cm^2}$$latex p_2= 34.07 \frac{N}{cm^2}$

$latex V_1 = 257 cm^3$

If the specific heat ratio (k) is 1.4, What is the compressed volume? - 4Your credit card has a nominal interest rate of 18%. If the interest is calculated monthly, what is the effective annual rate?
- 5
The magnitude(N) of the resultant of the three coplanar forces, A, B, and C, is most nearly: