# Test Information Guide

## Field 33: Technology/Engineering Sample Multiple-Choice Questions

The following reference material will be available to you during the test:

Constants and Formulas

### Foundations and Engineering Design

##### Objective 0002Understand the connections among engineering, technology, mathematics, and natural science.

1. A truck that has a 30-gallon gas tank gets 15 miles per gallon of gasoline. How long can the truck drive at an average speed of 50 miles per hour?

1. 4.5 hours
2. 9 hours
3. 10 hours
4. 12 hours
Correct Response: B.

Correct Response: B.

##### Objective 0003Understand engineering design and the role of modeling and optimizing in developing technological solutions to problems within given constraints.

2. Use the diagram below to answer the question that follows.

A plot plan includes a triangular garden having the dimensions shown in the diagram. How many feet of fence will be required to completely enclose the actual garden?

1. 150 feet
2. 140 feet
3. 130 feet
4. 120 feet
Correct Response: D.

Correct Response: D.

##### Objective 0004Understand the selection and safe use of appropriate materials, tools, equipment, and machines in technology/engineering.

3. Metal workers are most likely to use a press brake for which of the following purposes?

1. welding
2. forging
3. bending
4. grinding
Correct Response: C.

Correct Response: C.

### Energy and Power Systems

##### Objective 0005Understand fluid systems and their role in technology systems.

4. Use the diagram below to answer the question that follows.

In this positive displacement compressor, the advantage of having two ports rather than one is that:

1. pressure in the cylinder can be monitored.
2. gas can enter the cylinder at a faster rate.
3. power can be provided in both directions.
4. exhaust gases can leave the cylinder.
Correct Response: C.

Correct Response: C.

##### Objective 0006Understand thermal systems and their role in technology systems.

5. A hand-cranked generator has an efficiency of 75%. A person supplies 300 J of energy to turn the generator which is used to power an electric motor. If the motor has an efficiency of 80%, what is the output of the motor?

1. 15 J
2. 180 J
3. 225 J
4. 240 J
Correct Response: B.

Correct Response: B.

### Construction Technologies

##### Objective 0009Understand design factors, material selection, and constraints in building structures.

6. In residential construction, an important difference between balloon framing and platform framing is that in balloon framing:

1. the building rests on a full-height foundation.
2. the studs extend from the foundation to the top plate.
3. the upper stories rest entirely on the joists of lower stories.
4. the roof consists of pre-assembled rafters.
Correct Response: B.

Correct Response: B.

### Manufacturing Technologies

##### Objective 0011Understand primary and secondary manufacturing processes used to create manufactured products.

7. A metalworker is using a milling machine to cut high-carbon steel. Before using the machine to cut bronze, the worker should:

1. decrease the cutting speed and feed rate.
2. increase the cutting speed and feed rate.
3. decrease the cutting speed and increase the feed rate.
4. increase the cutting speed and decrease the feed rate.
Correct Response: B.

Correct Response: B.

### Communication Technologies

##### Objective 0015Understand waves, wave motion, and the basic principles of acoustics.

8. A pure tone causes a nearby object to vibrate and produce a similar tone. This phenomenon is an example of:

1. timbre.
2. harmonics.
3. overtones.
4. resonance.
Correct Response: D.

Correct Response: D.

##### Objective 0016Understand the nature of light and its application to communication technology.

9. Which of the following regions of the electromagnetic spectrum has the shortest wavelength?

1. X-rays
4. visible light
Correct Response: A.

Correct Response: A.

### Transportation Technologies

##### Objective 0017Understand the principles and characteristics of transportation technology.

10. In a diesel engine, compression performs the same function as which of the following components of a gasoline engine?

1. carburetor
2. intake valve
3. spark plug
4. distributor