Unofficial practice for MTEL Technology/Engineering (70): design, materials and manufacturing, technological systems, energy and power, every answer sourced.
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Unofficial practice questions, not affiliated with the Massachusetts Department of Elementary and Secondary Education or Pearson. Bank checked October 15, 2026.
A drawing gives a shaft diameter of 2.5 inches, and the shop's lathe reads in millimeters. By the definition of the inch, what is the diameter in millimeters?National Institute of Standards and Technology, SI Units: Length. Written to MTEL Technology/Engineering (70), objective 0001
A model of a 45-foot footbridge is built at a scale of 1:60. How long is the model, in inches?MTEL Technology/Engineering (70) test objectives, objective 0001: ratio and proportion; worked from the numbers in the question
A multiview orthographic drawing usually gives three views of a part. Which three?Wikipedia, "Multiview orthographic projection". Written to MTEL Technology/Engineering (70), objective 0002
A playground is planned from the start so that children of any age or ability can reach and use every piece of equipment. What is this approach called?Wikipedia, "Universal design", lead. Written to MTEL Technology/Engineering (70), objective 0003
A spring test records these loads and stretches: 2 N, 4 mm; 5 N, 10 mm; 8 N, 16 mm. If the pattern holds, what load stretches the spring 25 mm?MTEL Technology/Engineering (70) test objectives, objective 0001: linear equations and data sets; worked from the numbers in the question
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Subarea I: Engineering design, continued
A student draws a bracket in isometric projection. What does the word isometric say about the scales along the three axes of the drawing?Wikipedia, "Isometric projection", lead and Overview. Written to MTEL Technology/Engineering (70), objective 0002
A student weighs a 50.0 g reference mass five times and reads 53.1, 53.0, 53.1, 53.2 and 53.1 g. How should the balance's readings be described?Wikipedia, "Accuracy and precision", lead. Written to MTEL Technology/Engineering (70), objective 0001
A team must choose among four footbridge designs. It lists criteria, takes one design as the reference and rates every other design better, worse or the same on each criterion. What is this method?Wikipedia, "Decision-matrix method". Written to MTEL Technology/Engineering (70), objective 0003
A team prints a half-size plastic hinge only to see whether its latch idea works, before any tooling is ordered. What is the printed hinge?Wikipedia, "Prototype", lead. Written to MTEL Technology/Engineering (70), objective 0002
In 1972 the Environmental Protection Agency cancelled the pesticide DDT. On what grounds, by the agency's own history of the decision?U.S. Environmental Protection Agency, DDT: A Brief History and Status. Written to MTEL Technology/Engineering (70), objective 0003
In the engineering design process of the Massachusetts science and technology/engineering framework, what does the first step, identifying a need or problem, typically include?Massachusetts Department of Elementary and Secondary Education, 2016 Science and Technology/Engineering Curriculum Framework, Engineering Design. Written to MTEL Technology/Engineering (70), objective 0002
Nuclear reactors emit no carbon dioxide while they run. By the U.S. Energy Information Administration, what is a major environmental concern of nuclear power all the same?U.S. Energy Information Administration, Nuclear explained: Nuclear power and the environment. Written to MTEL Technology/Engineering (70), objective 0003
Subarea II: Materials, tools and manufacturing 10
A drawing calls for a pin of 25.00 mm with a tolerance of ±0.05 mm. At quality control, which measured pin fails inspection?Wikipedia, "Engineering tolerance", lead. Written to MTEL Technology/Engineering (70), objective 0005
A factory needs many identical plastic bottle caps. Which process makes parts by forcing molten material into a mold?Wikipedia, "Injection moulding", lead. Written to MTEL Technology/Engineering (70), objective 0005
A school shop has a CNC mill, a laser cutter and a 3D printer. Which name is also given to the way the 3D printer makes a part?Wikipedia, "3D printing", lead. Written to MTEL Technology/Engineering (70), objective 0004
A shaft's diameter must be measured more finely than a rigid rule allows. Which tool uses a calibrated screw to measure the size of a component accurately?Wikipedia, "Micrometer (device)", lead. Written to MTEL Technology/Engineering (70), objective 0004
A student is about to change the blade of a portable jigsaw. By OSHA's general precautions for power tools, what comes first?Occupational Safety and Health Administration, Hand and Power Tools (OSHA 3080), power tool precautions. Written to MTEL Technology/Engineering (70), objective 0004
A student must check that the end of a board was cut at 90° to its edge. Which woodworking tool is made for marking and checking that angle?Wikipedia, "Try square", lead. Written to MTEL Technology/Engineering (70), objective 0004
A teacher needs to know which gloves and eye protection a new solvent calls for. Which section of its 16-section safety data sheet covers this?Occupational Safety and Health Administration, OSHA Brief: Hazard Communication Standard: Safety Data Sheets (OSHA 3514). Written to MTEL Technology/Engineering (70), objective 0004
A wrench blank is shaped by hammering hot steel between dies. Which manufacturing process is this?Wikipedia, "Forging", lead. Written to MTEL Technology/Engineering (70), objective 0005
An aluminum window-frame rail has the same cross-section along its whole length. Which process pushes material through a die of that shape?Wikipedia, "Extrusion", lead. Written to MTEL Technology/Engineering (70), objective 0005
What sets a thermoplastic apart as a manufacturing material?Wikipedia, "Thermoplastic", lead. Written to MTEL Technology/Engineering (70), objective 0005
Subarea III: Technological systems 14
A cable pulls on an anchor with 200 N at 30° above the horizontal. What is the horizontal component of the pull, to the nearest newton?MTEL Technology/Engineering (70) test objectives, objective 0008: force components and resultants; worked from the numbers in the question
A microphone's output voltage rises and falls smoothly in step with the sound pressure on it. What kind of signal is this?Wikipedia, "Analog signal", lead. Written to MTEL Technology/Engineering (70), objective 0006
A radio set picks up a broadcast and turns it back into speech for the listener. Which component of the Shannon–Weaver model does this work?Wikipedia, "Shannon–Weaver model", lead. Written to MTEL Technology/Engineering (70), objective 0006
A truss bridge carries its load through connected, typically straight elements. What do those elements usually form?Wikipedia, "Truss bridge", lead. Written to MTEL Technology/Engineering (70), objective 0007
By NASA's description of the four forces on an airplane, how is drag directed?NASA Glenn Research Center, Beginner's Guide to Aeronautics: Four Forces on an Airplane. Written to MTEL Technology/Engineering (70), objective 0009
Crackling on a telephone line and snow on a television screen distort a signal on its way to the receiver. What does the Shannon–Weaver model call such interference?Wikipedia, "Shannon–Weaver model", Noise and redundancy. Written to MTEL Technology/Engineering (70), objective 0006
Goods travel by ship, then by train, then by truck, and stay in the same load unit the whole way. What is this transport system called?Wikipedia, "Intermodal freight transport", lead. Written to MTEL Technology/Engineering (70), objective 0009
In which type of bridge is the deck hung below cables on vertical suspenders?Wikipedia, "Suspension bridge", lead. Written to MTEL Technology/Engineering (70), objective 0007
Two steel plates joined by one bolt are pulled in opposite directions along lines that do not meet, so the plates try to slide across the bolt. Which kind of force loads the bolt?Wikipedia, "Shear force". Written to MTEL Technology/Engineering (70), objective 0008
What does regenerative braking do in a hybrid electric vehicle?U.S. Department of Energy and U.S. Environmental Protection Agency, FuelEconomy.gov: How Hybrids Work. Written to MTEL Technology/Engineering (70), objective 0009
What keeps light inside the core of an optical fiber?Wikipedia, "Optical fiber", lead. Written to MTEL Technology/Engineering (70), objective 0006
Which element of a building connects it to the ground and transfers the structure's loads to it?Wikipedia, "Foundation (engineering)", lead. Written to MTEL Technology/Engineering (70), objective 0007
Which of these is a dead load on a school building?Wikipedia, "Structural load", Dead load and Live load. Written to MTEL Technology/Engineering (70), objective 0008
Why are optical fibers used in place of electrical cables on long links?Wikipedia, "Optical fiber", lead. Written to MTEL Technology/Engineering (70), objective 0006
Subarea IV: Energy and power technologies 14
A 12 V source drives current through a 48 Ω heating element. By Ohm's law, what is the current?Wikipedia, "Ohm's law", lead; the current is worked from the numbers in the question. Written to MTEL Technology/Engineering (70), objective 0012
A 16-tooth gear on a motor drives a 40-tooth gear. The motor turns at 1,200 rpm. How fast does the driven gear turn?Wikipedia, "Gear train", Gear or speed ratio; the speed is worked from the numbers in the question. Written to MTEL Technology/Engineering (70), objective 0013
A 120 V circuit carries 12.5 A to a space heater. What power does the heater draw?MTEL Technology/Engineering (70) test objectives, objective 0012: voltage, resistance, current and power; worked from the numbers in the question
A hoist lifts a 600 N load 5 m straight up in 10 s. Ignoring losses, what power does the lift take?MTEL Technology/Engineering (70) test objectives, objective 0013: energy, work, power and efficiency; worked from the numbers in the question
A pneumatic system differs from a hydraulic one in its working fluid. What does a pneumatic system use?Wikipedia, "Pneumatics". Written to MTEL Technology/Engineering (70), objective 0010
A pry bar pivots 10 cm from the load, and the user pushes 80 cm from the pivot. Ignoring friction, what is the bar's mechanical advantage?Wikipedia, "Mechanical advantage", lead and Levers; the ratio is worked from the numbers in the question. Written to MTEL Technology/Engineering (70), objective 0013
A solar water heater's collector is warmed by the Sun across the vacuum of space. Which process of heat transfer carries that energy to the collector?Wikipedia, "Heat transfer", Mechanisms. Written to MTEL Technology/Engineering (70), objective 0011
A thermostat senses room temperature and switches the furnace so that the room stays near a setpoint. What kind of control device is it?Wikipedia, "Thermostat". Written to MTEL Technology/Engineering (70), objective 0011
A wall holds an R-13 batt and a continuous layer of R-5 foam board. R-values of layers add. What is the total for the two layers?Wikipedia, "R-value (insulation)". Written to MTEL Technology/Engineering (70), objective 0011
By Bernoulli's equation for low-speed flow, static pressure plus dynamic pressure stays constant along a streamline. Where the air over a wing speeds up, what happens to its static pressure?NASA Glenn Research Center, Beginner's Guide to Aeronautics: Bernoulli's Equation. Written to MTEL Technology/Engineering (70), objective 0010
By the U.S. Energy Information Administration, how does a geothermal heat pump heat a building in winter?U.S. Energy Information Administration, Geothermal explained: Geothermal heat pumps. Written to MTEL Technology/Engineering (70), objective 0011
By the U.S. Energy Information Administration, which photons that strike a photovoltaic cell provide energy to generate electricity?U.S. Energy Information Administration, Solar explained: Photovoltaics and electricity. Written to MTEL Technology/Engineering (70), objective 0012
Four identical bulbs are wired in series across a 12 V battery. What is true of the circuit?Wikipedia, "Series and parallel circuits". Written to MTEL Technology/Engineering (70), objective 0012
In a hydraulic jack, a 50 N push on a piston of 2 cm² pressurizes the oil. With no losses, what force does the 40 cm² output piston deliver?Wikipedia, "Pascal's law", lead; the force is worked from the numbers in the question. Written to MTEL Technology/Engineering (70), objective 0010
How this list was compiled: Our own questions, written to the test objectives of MTEL Technology/Engineering, field 70, as the test information guide prints them on the Massachusetts Tests for Educator Licensure website (https://www.mtel.nesinc.com/Content/StudyGuide/MA_SG_OBJ_70.htm and https://www.mtel.nesinc.com/TestView.aspx?f=HTML_FRAG/MA070_TestPage.html, read 2026-10-15): 100 multiple-choice questions and 2 open-response assignments in 4 hours; multiple-choice subareas I Engineering Design (20% of the score, objectives 0001 to 0003), II Materials, Tools, and Manufacturing (16%, objectives 0004 and 0005), III Technological Systems (22%, objectives 0006 to 0009) and IV Energy and Power Technologies (22%, objectives 0010 to 0013), and the open-response subarea, 20%. This bank holds 12, 10, 14 and 14. Every fact was read on 2026-10-15 in the public page named under its question: the Massachusetts 2016 Science and Technology/Engineering Curriculum Framework, NIST, OSHA, NASA's Glenn Research Center, the U.S. Energy Information Administration, the Environmental Protection Agency, FuelEconomy.gov and Wikipedia articles. Every calculated answer was worked out a second time. Licence: Questions, choices and explanations are original work of this site.
How it works
This MTEL Technology and Engineering practice test asks 50 questions of our own on Technology/Engineering, field 70. It is unofficial and not affiliated with, endorsed by or sponsored by the Massachusetts Department of Elementary and Secondary Education or Pearson.
Read the full guide
Subareas and weights
By the test objectives: engineering design, 20% of the score; materials, tools and manufacturing, 16%; technological systems, 22%; energy and power technologies, 22%. This bank holds 12, 10, 14 and 14, and each explanation names its objective.
Calculations
Twelve questions are calculations: scale, unit conversion, force components, Pascal's law, Ohm's law, power, mechanical advantage and gear ratios. Each answer was worked out a second time from the numbers in the question.
What the real test adds
Two open-response assignments carry the other 20%: one on teaching engineering design, one on a technological system or an energy and power technology. They are written analyses and are not practiced here.
The MTEL site says a scientific calculator and a sheet of constants and formulas are provided on screen during the real test.
The MTEL site sets one 4-hour clock for the whole test, so exam mode here runs without a timer.
Questions and answers
Is there an official MTEL Technology/Engineering practice test?
Yes. The MTEL site lists a Technology/Engineering practice test beside sample questions, a sample open-response assignment and the formulas and constants sheet. This page is separate: its questions are our own, each naming its objective and its source.
Is MTEL Technology/Engineering field 33 or field 70?
The MTEL tests list offers Technology/Engineering as field 70. A test information guide for field 33 is still on the MTEL site, but the list no longer shows that number. These questions were written to the field 70 objectives.
How many questions are on the MTEL Technology/Engineering test?
100 multiple-choice questions and 2 open-response assignments, in 4 hours of testing time at a test center. The MTEL site adds that some questions may not count toward the score.
What is the passing score for the MTEL Technology/Engineering test?
The MTEL site gives a qualifying score of 240. That score also counts the two written assignments, so the number right here carries no verdict.
What is on the MTEL Technology/Engineering test?
Thirteen multiple-choice objectives: mathematics and science in engineering, the design process, technology in society, tools and safety, manufacturing, communication, structures, forces in construction, transportation, fluid systems, thermal systems, electricity, and energy, work and power.