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
What is the gauge pressure of at a point that is 15 meters below the surface of water that has an atmospheric pressure of 14.7 PSIA?
（A）147,150 pa （B） 150,000 pa （C） 147,250 pa （D） 147,000 pa
Correct Answer: A
Your credit card has a nominal interest rate of 18%. If the interest is calculated monthly, what is the effective annual rate?
（A）19.0% （B） 18.5% （C） 19.6% （D） 20.1%
Correct Answer: C
Which of the following statements is FALSE when concerning the hot working of metal?
(A) Produce a fine grained product (B) Removes strain hardening (C) Combines of annealing and cold working (D) Decreases the density of the metal
Correct Answer: D
More PE Exam Questions
- 1How much torque can be applied to a 6 inch outer diameter pipe that has a wall thickness of 0.25 inches when the maximum shear stress is 20,000 psi?
- 2Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state?
- 3You 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.
- 4
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/ft3 What is the drag on the cylinder?
- 5
You must choose between four pieces of comparable equipment based on the costs and salvage values given below. All four pieces have a life of 8 years.
The discount rate is 12%. Ignore taxes. The two most preferable projects and the approximate difference between their present worth values based on least cost are: