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:
(A) A and C, $170
(B) B and D, $170
(C) A and C, $234
(D) B and D, $234
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
What is the natural frequency of a body that has a period of oscillation of 2.7 seconds?
(A) 2.7 s (B) 0.75 s (C) 2.33 s (D) 4.65 s
Correct Answer: C
The following data have been collected:
Which of the following statements is true?
(A) The median and the mode are equal. (B) The mean and the median are equal. (C) The mean and the mode are equal. (D) The mean is larger than both the mode and the median.
Correct Answer: A
More PE Exam Questions
- 1
A heavy roller is held in equilibrium on a frictionless Plane AB by the force F, as shown. Which diagram correctly shows a vector polygon of the forces acting on the roller?
- 2
The following data have been collected:
Which of the following statements is true?
- 3A plane intercepts the coordinate axis at (4,6,10). What are the Miller indices for this plane?
- 4How 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?
- 5How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor?