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Key Facts: EGEL Plus Ingeniería Mecánica Eléctrica Exam

220

Total items on the official EGEL Plus IME (160 disciplinary + 60 transversal)

Ceneval, Guía para el sustentante EGEL Plus IME

9 hours

Two sessions of 4.5 hours each on the same day

Ceneval, Guía para el sustentante EGEL Plus IME

1000

Minimum Índice Ceneval for a Satisfactorio level in an area or section

Ceneval, Guía para el sustentante EGEL Plus IME

1150

Minimum Índice Ceneval for a Sobresaliente level

Ceneval, Guía para el sustentante EGEL Plus IME

MXN 1,885

Individual national Examen desde casa fee in 2026

Ceneval EGEL portal

Ceneval's EGEL Plus IME is a 220-item, nine-hour Spanish exit exam: 160 disciplinary items in four areas plus 60 transversal language and communication items.

Sample EGEL Plus Ingeniería Mecánica Eléctrica Practice Questions

Try these sample questions to review concepts for the EGEL Plus Ingeniería Mecánica Eléctrica exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A solid circular drive shaft of diameter d = 50 mm transmits a steady torque of T = 1,200 N·m. What is the maximum torsional shear stress (τ_max) developed on the outer surface of the shaft?
A.48.9 MPa
B.391.1 MPa
C.97.8 MPa
D.24.4 MPa
Explanation: The maximum torsional shear stress for a solid circular cross-section is given by the torsion formula τ_max = T·r / J = 16·T / (π·d³). Substituting T = 1,200 N·m and d = 0.050 m gives τ_max = 16·(1,200) / (π·(0.050)³) = 19,200 / (3.927 × 10⁻⁴) ≈ 48,892,400 Pa = 48.9 MPa.
2A structural steel tie rod with an elastic modulus E = 200 GPa, length L = 2.5 m, and cross-sectional area A = 400 mm² is subjected to an axial tensile force of P = 80 kN. What is the total elastic elongation (δ) of the rod?
A.1.25 mm
B.2.50 mm
C.1.00 mm
D.5.00 mm
Explanation: According to Hooke's law for uniaxial elastic deformation, total elongation is δ = P·L / (A·E). Converting to consistent SI units: P = 80,000 N, L = 2.5 m, A = 400 × 10⁻⁶ m², and E = 200 × 10⁹ Pa. Thus, δ = (80,000 · 2.5) / (400 × 10⁻⁶ · 200 × 10⁹) = 200,000 / 80,000,000 = 0.0025 m = 2.50 mm.
3A simply supported steel beam of rectangular cross section (width b = 80 mm, height h = 150 mm) is subjected to a maximum bending moment of M = 18 kN·m. What is the maximum flexural bending stress (σ_max) in the outer fibers of the beam?
A.30.0 MPa
B.60.0 MPa
C.40.0 MPa
D.800 MPa
Explanation: The section modulus for a rectangular cross section is S = b·h² / 6 = (0.080 m)·(0.150 m)² / 6 = (0.080 · 0.0225) / 6 = 3.0 × 10⁻⁴ m³. The maximum bending stress is σ_max = M / S = (18,000 N·m) / (3.0 × 10⁻⁴ m³) = 60 × 10⁶ Pa = 60.0 MPa.
4In mechanical design against fatigue failure under fluctuating cyclic loading, which criterion connects the alternating stress amplitude (σ_a) and mean stress (σ_m) to the material ultimate tensile strength (S_ut) and fatigue endurance limit (S_e)?
A.Soderberg line
B.Goodman line
C.Gerber parabolic curve
D.ASME elliptic criterion
Explanation: The modified Goodman line is defined by the linear relationship (σ_a / S_e) + (σ_m / S_ut) = 1/n, which uses the ultimate tensile strength S_ut for the mean stress intercept and the endurance limit S_e for the alternating stress intercept.
5A standard spur gear set consists of a 20-tooth pinion rotating at 1,800 rpm that drives an 80-tooth gear. What is the rotational speed of the driven gear and the gear ratio (m_g)?
A.450 rpm and gear ratio of 4:1
B.7,200 rpm and gear ratio of 1:4
C.600 rpm and gear ratio of 3:1
D.360 rpm and gear ratio of 5:1
Explanation: The gear ratio is m_g = N_gear / N_pinion = 80 / 20 = 4 (or 4:1). The speed of the driven gear is n_gear = n_pinion / m_g = 1,800 rpm / 4 = 450 rpm.
6In a flat belt drive with tight side tension F_1, slack side tension F_2, coefficient of friction μ, and wrap angle θ (in radians), what fundamental equation governs the maximum torque transmission limit without slipping?
A.F_1 / F_2 = 1 + μ·θ
B.F_1 / F_2 = e^(μ·θ)
C.F_1 - F_2 = μ·θ·(F_1 + F_2)
D.F_1 / F_2 = e^(μ/θ)
Explanation: The Belt friction formula (Euler-Eytelwein formula) dictates that at impending slip, the ratio of the tight side tension to the slack side tension is F_1 / F_2 = e^(μ·θ), where θ is the contact angle in radians.
7An ideal steam Rankine power cycle operates with steam entering the turbine at h_1 = 3,100 kJ/kg and exiting to the condenser at h_2 = 2,100 kJ/kg. The feedwater leaves the condenser as saturated liquid at h_3 = 192 kJ/kg, and the boiler feed pump requires w_pump = 3 kJ/kg (so h_4 = 195 kJ/kg entering the boiler). What is the thermal efficiency (η_th) of this Rankine cycle?
A.32.2%
B.34.3%
C.52.4%
D.65.7%
Explanation: Turbine work output is w_turb = h_1 - h_2 = 3,100 - 2,100 = 1,000 kJ/kg. Net work is w_net = w_turb - w_pump = 1,000 - 3 = 997 kJ/kg. Heat supplied in the boiler is q_in = h_1 - h_4 = 3,100 - 195 = 2,905 kJ/kg. The thermal efficiency is η_th = w_net / q_in = 997 / 2,905 ≈ 0.3432 = 34.3%.
8In CNC machining programmed with ISO 6983 G-codes, what motion does the command G02 produce?
A.Linear interpolation at the programmed feed rate
B.Circular interpolation in the counterclockwise direction
C.Rapid positioning at maximum traverse speed without cutting
D.Circular interpolation in the clockwise direction
Explanation: In standard ISO 6983 (RS-274) G-code, G00 is rapid positioning, G01 is linear interpolation at the programmed feed rate, G02 is clockwise circular interpolation, and G03 is counterclockwise circular interpolation. G02 and G03 need an end point plus either a radius (R) or center offsets (I, J, K).
9Steam at a pressure of 2.0 MPa has a saturation temperature of 212.4 °C. At this pressure, the specific enthalpy of saturated liquid is h_f = 908.8 kJ/kg and the enthalpy of vaporization is h_fg = 1,890.7 kJ/kg. If a steam sample has a measured enthalpy of h = 2,422.3 kJ/kg, what is its dryness fraction (vapor quality, x)?
A.0.54
B.0.87
C.0.80
D.0.20
Explanation: The dryness fraction is calculated using the relation h = h_f + x·h_fg. Solving for quality x: x = (h - h_f) / h_fg = (2,422.3 - 908.8) / 1,890.7 = 1,513.5 / 1,890.7 = 0.800 (80%).
10In a counter-flow shell-and-tube heat exchanger, hot oil is cooled from 140 °C to 80 °C by cooling water that enters at 20 °C and leaves at 50 °C. What is the Log Mean Temperature Difference (LMTD, ΔT_lm) across the exchanger?
A.73.9 °C
B.60.0 °C
C.75.0 °C
D.64.9 °C
Explanation: For counter-flow: terminal temperature difference at one end is ΔT_1 = T_h,in - T_c,out = 140 - 50 = 90 °C; at the other end is ΔT_2 = T_h,out - T_c,in = 80 - 20 = 60 °C. The log mean temperature difference is ΔT_lm = (ΔT_1 - ΔT_2) / ln(ΔT_1 / ΔT_2) = (90 - 60) / ln(90 / 60) = 30 / ln(1.5) = 30 / 0.4055 ≈ 73.9 °C.

About the EGEL Plus Ingeniería Mecánica Eléctrica Exam

Independent EGEL Plus Ingeniería Mecánica Eléctrica practice by OpenExamPrep. The official Ceneval examination is in Spanish and has 220 three-option items: 160 disciplinary items in Sistemas mecánicos y de termofluidos, Sistemas eléctricos, Procesos productivos, and Automatización y control, and 60 transversal Lenguaje y Comunicación items. This bank is an English-language study adaptation with four-option multiple-choice questions, not an official translation or format simulation. Disciplinary stems and explanations are in English. Language and communication items keep their Spanish passages and answer options, because Spanish usage is the skill being tested, and give their instructions and explanations in English.

Exam sponsor: Centro Nacional de Evaluación para la Educación Superior (Ceneval). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

220 three-option items: 160 disciplinary items (Sistemas mecánicos y de termofluidos 45, Sistemas eléctricos 36, Procesos productivos 47, Automatización y control 32) and 60 transversal items in Comprensión Lectora and Redacción Indirecta.

Time Limit

Two sessions of 4.5 hours each on the same day (9 hours in total)

Passing Score

Each area and each section is reported on the Índice Ceneval (700-1300): 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio, 1150-1300 Sobresaliente. The global result is weighted toward the disciplinary section: Satisfactorio or better there earns at least a Testimonio de Desempeño Satisfactorio, and a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación

Exam / Certification Fees

MXN 1,885 for the 2026 national Examen desde casa; institutional administrations may charge a different amount

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

45 of 160 disciplinary items

Sistemas mecánicos y de termofluidos

Mechanical design (15), thermodynamics and heat transfer (15), fluid dynamics (7) and thermal machines (8)

36 of 160 disciplinary items

Sistemas eléctricos

Power plants and substations (7), electric power systems (8), electrical installations, power quality and energy saving (14), and electric machines (7)

47 of 160 disciplinary items

Procesos productivos

Manufacturing processes (10), material properties (8), quality, cost and sustainable development systems (9), industrial maintenance (7) and flexible manufacturing (13)

32 of 160 disciplinary items

Automatización y control

PLCs and robotics (14), pneumatic and hydraulic circuits (9) and control devices (9)

60 of 220 total items

Lenguaje y Comunicación

Reading comprehension of academic, literary and public-interest texts (30 items) and indirect writing, which asks candidates to choose the version of a text that is correct, coherent and well punctuated (30 items)

Preparing for the EGEL Plus Ingeniería Mecánica Eléctrica Exam

What You Need to Know

  • Passing score: Each area and each section is reported on the Índice Ceneval (700-1300): 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio, 1150-1300 Sobresaliente. The global result is weighted toward the disciplinary section: Satisfactorio or better there earns at least a Testimonio de Desempeño Satisfactorio, and a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación
  • Assessment: 220 three-option items: 160 disciplinary items (Sistemas mecánicos y de termofluidos 45, Sistemas eléctricos 36, Procesos productivos 47, Automatización y control 32) and 60 transversal items in Comprensión Lectora and Redacción Indirecta.
  • Time limit: Two sessions of 4.5 hours each on the same day (9 hours in total)
  • Exam / certification fees: MXN 1,885 for the 2026 national Examen desde casa; institutional administrations may charge a different amount Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

EGEL Plus Ingeniería Mecánica Eléctrica: Suggested Study Strategy

1Practice electromechanical calculations: induction motor slip and speed, three-phase power and power factor correction, and motor branch-circuit protection under NOM-001-SEDE-2012.
2Review mechanical and thermofluid fundamentals: shaft stresses, Mohr's circle, NPSH and pipe losses, and Rankine and Brayton cycles.
3Production processes carry 47 items: study manufacturing processes, material properties, quality and costs, industrial maintenance and flexible manufacturing (the largest of these subareas, 13 items).
4Review PLC programming and robotics (14 items), pneumatic and hydraulic circuits, and control devices.
5Prepare for Lenguaje y Comunicación by reading academic articles, essays and public notices in Spanish, and by reviewing agreement, punctuation, accentuation and connectors.

Frequently Asked Questions

What is the EGEL Plus Ingeniería Mecánica Eléctrica?

The EGEL Plus Ingeniería Mecánica Eléctrica (EGEL Plus IME) is Ceneval's national exit examination for graduates of the Licenciatura en Ingeniería Mecánica Eléctrica and related programs. It measures the knowledge and skills considered indispensable at the end of the degree, plus Spanish reading comprehension and indirect writing. Institutions may use the result as a graduation requirement, a titulación option or part of a course grade, under their own rules; a Testimonio does not by itself determine the award of the degree or the cédula profesional.

How many questions are on the official EGEL Plus IME and how long is it?

The official exam has 220 items: 160 disciplinary items (Sistemas mecánicos y de termofluidos 45, Sistemas eléctricos 36, Procesos productivos 47, Automatización y control 32) and 60 Lenguaje y Comunicación items (30 reading comprehension and 30 indirect writing). It is given on one day in two sessions of 4.5 hours each (9 hours). About 15% of the items are pilot items that do not count toward the result.

How is the EGEL Plus IME scored?

Each area and section is reported on the Índice Ceneval from 700 to 1300: 700-999 Aún no satisfactorio, 1000-1149 Satisfactorio and 1150-1300 Sobresaliente. The global result follows a conjunctive rule weighted toward the disciplinary section: Satisfactorio or better in the disciplinary section earns at least a Testimonio de Desempeño Satisfactorio, while a Testimonio de Desempeño Sobresaliente requires Sobresaliente in the disciplinary section and at least Satisfactorio in Lenguaje y Comunicación. Candidates with a global Sobresaliente who take the exam for the first time within one year of finishing the degree are eligible for the Premio Ceneval al Desempeño de Excelencia-EGEL.

Can I use a calculator or formula sheet on the EGEL Plus IME?

Yes. The official guide allows a non-programmable scientific calculator, which may not be shared between candidates. Ceneval also provides a formulario (formula sheet), handed out on paper or shown on the exam platform depending on the modality, and publishes it on its EGEL portal so you can study with it in advance.

Why is this practice bank in English if the official exam is in Spanish?

The official Ceneval exam is in Spanish. This bank is an independent English-language study adaptation with four-option questions, not an official translation or format simulation. Disciplinary questions and explanations are in English so you can review the engineering content. Language and communication items keep their Spanish passages and options because they test Spanish usage, and their instructions and explanations are in English.

Who is EGEL Plus IME intended for?

It is intended for graduates of the Licenciatura en Ingeniería Mecánica Eléctrica and related programs, such as electromechanical engineering, who have completed all of their credits. Where the institution requests it, students in their final semester may also take it.