PE Exam Questions

Study Problem

A piece of equipment weights 300 pounds on dry land. When the equipment is fully submerged in water the equipment weighs only 65 pounds. (more…)

Exam Question 29 Pump Horsepower

What is the minimum size of motor needed for a 2 x 1 pump to deliver 100 gallons per minute (gpm) of water to a water skimmer that is located 50 feet above the pump and has an operating pressure of 35 psig. The water pressure on the suction side of the pump is 5 in Hg vacuum. Assume standard wall thickness. A) 100 B) 75 C) 25 D) 50

(more…)

A Guide to Buying Flame Resistant (FRC) Clothing

What Safety Standards Are Needed For Clothing to be Considered Flame Resistant?

One of the most common safety standards you will need to meet when you are out in the field is National Fire Protection Association’s (NFPA) 2112 standard which defines the criteria for the design, construction, evaluation and certification of flame-resistant garments for use by industrial personnel. If you are working…

How To Setup a Sucessful Lunch & Learn

What is a Lunch & Learn?

A lunch and learn is a chance for a vendor to meet with employees of a company and talk about a specific objective over lunch. Basically you are trading your time for a little bit of extra knowledge that can help you in your career. These events are also great networking opportunities for the vendor to meet more of your coworkers.

What are the Different Types?

There are…

Fundamentals of Engineering (FE) Practice Exam 1

Problem #1

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

Problem #2

Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state? A) 1 B) 2 C) 3 D) 4

Problem #3

How much heat is dissipated when a current of 15 amps…

FE Practice Exam 1 Part II

Problem #11

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) decreases the density of the metal D) Combines of annealing and cold working

Problem #12

What is the elongation of a 2 meter aluminum bar when it has been stressed to 512 MPa? (E = 69 GPa)? A) 1.5 cm B) 2.0 cm C) 1.0 cm D) 1.7 cm

Problem…

FE Practice Exam 1 Part III

Problem #21

What is happening to a substance when it is oxidized? A) The substance is gaining electrons B) The substance is losing electrons C) The substance is giving off heat D) The substance is absorbing heat

Problem #22

A 500 kilogram shipping container is raised from 300 meters. If the cable weight 5 kilograms per meter of length, what is the approximate work done? A) 5,886 kN B) 2,210 kN C)…

FE Practice Exam 1 Part IV

Problem #31

What the standard units used when using the Reynolds Number A) ft/s2 B) centipoise C) kg/s D) None

Problem #32

What is the thermal efficiency for a Carnot engine that operates between 100F and 400K A) 75% B) 77.5% C) 7.8% D) 22.3%

Problem #33

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

Problem #34

What…

Fundamentals of Engineering (FE) Practice Exam 1 Answers

Answer Key 1. D 9. D 17. D 25. C 33. C 2. C 10. D 18. D 26. B 34. A 3. A 11. D 19. A 27. A 35. B 4. A 12. A 20. D 28. A 36. B 5. B 13. C 21. B 29. B 37. D 6. A 14. B 22. D 30. B 38. A 7. B 15. A 23. C 31. D 39. A 8. C 16. B 24. A 32. D 40. B Solution #1

An intensive property does not depend on the mass of the material. Melting Point, velocity, & density are intensive…

FE Practice Test 1 Part II Answers

Solution #11

The density of the metal is increases from hot work.

Choice C is correct

Solution #12

Choice A is correct

Solution #13

Creep is also known as Cold Flow, not hot flow.

Choice C is correct

Solution #14

The oxidation state of Oxygen (O) is -2. Let x = the oxidation state of Carbon (C)

The oxidation state of Carbon (C) is 4

Choice B is correct

Solution #15

Choice A is correct

Sol…

FE Practice Exam 1 Part III Answers

Solution #21

The substance is losing electrons

B is the correct choice

Solution #22

The cable needs to be changed into a point load with the mass at the midpoint of 150 meter.

Choice D is the closest with 3,680 kN

Solution #23

The Carnot cycles is defined by two isentropic and two isothermal processes.

Choice C is correct

Solution #24

Choice A is correct

Solution #25

Find the molecular…

FE Practice Exam 1 Part IV Answers

Solution #31

The Reynolds number is a dimensionless number

Choice D is correct

Solution #32

Thermal efficiency = 22.25%

Choice D is correct

Solution #33

Choice C is correct

Solution #34

The Carnot cycle is the most efficient since it is completely reversible

Choice A is correct

Solution #35

Choice B is correct

Solution #36

To find the Miller indices you must take the reciprocal of each…

6 Tips to Improve Recruit Loyalty by Building Your Reputation

As an effective recruiter your reputation will carry you long way. One way to grow your reputation is to create loyalty with your clients. With this is mind I have put together 6 powerful tips that can help you improve your relationship with your clients to build up that trust level.

Lots of factors lead to building your reputation

1. Establish a relationship

When you first contact someone do not…

10 Essential Tips for Writing an Engineering Tutorial

Have you ever wanted to write an engineering tutorial about some special knowledge that you have? Well I have composed a list of 10 quick tips that can help you avoid a lot of the traps you might run into when writing your tutorial.

1. Choose a topic you are familiar with

Make sure you know what you are talking about. It is very easy to try and rush ahead of the people to get that first tutorial…

Exam Problem #28 (Thermal Efficiency)

Question

A steam turbine produces 1.21 gigawatts of electricity. The load on the cooling system is measured to be 520,000 tons. For this power generation system what is the thermal efficiency? A) 55% B) 43% C) 30% D) 34%

Answer

Today’s fundamental of engineering sample problem looks at calculating the thermal efficiency when given units in the metric and English systems

Equation

Thermal Efficiency

Exam Problem #27 (Refrigeration)

Question

A refrigeration process produces 1,300 kJ/kg of cooling. A reactor requires a minimum of 110 tons of cooling in order to maintain a safety factor of 2.5  In order for the refrigeration process to provide 110 tons of cooling what must the mass flow rate be? A) 100 kg/hr B) 350 kg/hr C) 107 kg/hr D) 1015 kg/hr

Answer

Today’s fundamentals of engineering exam question looks at how the flow…