## Which of the following are not an intensive property? Pressure Velocity Volume Density Kinetic Energy

(A)I, II & III

(B) IV & V

(C) I, II & IV

(D) III & V

The Correct Answer

How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor?

（A）3,075 btuh （B） 900 btuh （C） 2,700 btuh （D） 9,300 btuh

**Correct Answer: A**

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**

An 18 wheeler has a mass of 28,000 kilograms when fully loaded. The truck goes from 0 to 90 kilometers per hour in 120 seconds. What is the force on the 18 wheeler due to acceleration?

（A）1.08 kN （B） 15.82 kN （C） 10.71 kN （D） 5.83 kN

**Correct Answer: D**

### More PE Exam Questions

- 1How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor?
- 2A 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?
- 3Your credit card has a nominal interest rate of 18%. If the interest is calculated monthly, what is the effective annual rate?
- 4Which of the following is FALSE with regards to creep I. May involve the sliding of whole grains II At high stresses creep is controlled by the movement of vacancies. III Also known as hot flow IV Creep is a time dependent deformation
- 5Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state?