## A group of dog pulls a sled across a snow covered surface. It takes 5 hours to pull the 200 kg sled 100 kilometers. If the static friction is 0.4 and the dynamic friction is 0.1 what is the average power exerted by the dog sled team?

(A) 1,067 W

(B) 5,333 W

(C) 3,84 kW

(D) 266.8 W

What is the oxidation state of Carbon in Carbonate (CO_{3}^{-2})

(A) -2 (B) 4 (C) 1 (D) 2

**Correct Answer: B**

What the standard units used when using the Reynolds Number?

(A) ft/s2 (B) centipoise (C) kg/s (D) None

**Correct Answer: D**

A company can manufacture a product using hand tools. Tools will cost $1,000, and the manufacturing cost per unit will be $1.50. As an alternative, an automated system will cost $15,000 with a manufacturing cost per unit of $0.50. With an anticipated annual volume of 5,000 units and neglecting interest, the break-even point (years) is most nearly:

(A) 2.0 (B) 2.8 (C) 3.6 (D) 15.0

**Correct Answer: B**

### More PE Exam Questions

- 1What the standard units used when using the Reynolds Number?
- 2
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? - 3
The magnitude(N) of the resultant of the three coplanar forces, A, B, and C, is most nearly:

- 4
The following data have been collected:

Which of the following statements is true?

- 5Which of the following statements is FALSE when concerning the hot working of metal?