100+ Free Bac Séries F Côte d'Ivoire Practice Questions

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Key Facts: Bac Séries F Côte d'Ivoire Exam

5,000 FCFA

Official candidate registration fee via TrésorPay/TrésorMoney

DECO MENA

240 / 480

Passing score threshold (10/20 weighted average)

DECO METFPA

F1-F4 and F7

DECO's industrial series: F1 mécanique, F2 électronique, F3 électrotechnique, F4 génie civil, F7 biochimie

METFPA Côte d'Ivoire

Free 100-question English MCQ study bank for Bac Séries F Côte d'Ivoire. Official exam: French written technical papers and workshop practicals; pass with ≥240/480. Not an official-format simulation.

Sample Bac Séries F Côte d'Ivoire Practice Questions

Try these sample questions to test your Bac Séries F Côte d'Ivoire exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In a turning operation on a cylindrical steel workpiece of diameter D = 50 mm, the cutting speed is specified as Vc = 120 m/min. What is the required spindle rotational speed N in revolutions per minute (rpm)?

A.N ≈ 764 rpm

B.N ≈ 450 rpm

C.N ≈ 1200 rpm

D.N ≈ 2400 rpm

Explanation: The cutting speed formula in turning is Vc = (π · D · N) / 1000, where Vc is in m/min and D is in mm. Solving for rotational speed N: N = (1000 · Vc) / (π · D) = (1000 · 120) / (π · 50) = 120000 / 157.08 ≈ 763.94 rpm, which rounds to approximately 764 rpm.

2In CNC machining programming using ISO standard G-codes, which instruction is used to command linear interpolation at a programmed feed rate?

A.G00

B.G01

C.G02

D.G03

Explanation: G01 specifies linear interpolation at a controlled cutting feed rate (F). In contrast, G00 is rapid positioning (non-cutting traverse), G02 is clockwise circular interpolation, and G03 is counterclockwise circular interpolation.

3A face milling cutter with a diameter D = 80 mm has z = 6 teeth. If the cutting speed is Vc = 150 m/min and the feed per tooth is fz = 0.12 mm/tooth, calculate the table feed rate Vf in mm/min.

A.Vf ≈ 108 mm/min

B.Vf ≈ 430 mm/min

C.Vf ≈ 716 mm/min

D.Vf ≈ 1250 mm/min

Explanation: First calculate spindle speed N: N = (1000 · Vc) / (π · D) = (1000 · 150) / (π · 80) = 150000 / 251.33 ≈ 596.83 rpm. The table feed speed Vf is given by Vf = fz · z · N = 0.12 mm/tooth · 6 teeth · 596.83 rpm = 0.72 · 596.83 ≈ 429.72 mm/min ≈ 430 mm/min.

4Which shielding gas or gas mixture is most commonly utilized in TIG (GTAW) welding of stainless steel and aluminum alloy components?

A.100% Pure Argon (Ar)

B.100% Carbon Dioxide (CO2)

C.Argon + 20% Carbon Dioxide

D.Pure Oxygen (O2)

Explanation: TIG (Tungsten Inert Gas / GTAW) requires a completely inert gas to protect the non-consumable tungsten electrode from oxidation and ensure a stable arc. Pure argon (or argon-helium mixtures) is the standard inert gas. Active gases like CO2 or O2 would rapidly degrade the tungsten electrode.

5In metal casting, what is the primary function of a riser (masselotte)?

A.To vent gases and steam trapped inside the mold cavity during pouring

B.To supply molten reservoir metal to compensate for volumetric shrinkage during solidification

C.To support the sand core inside the mold cavity

D.To filter slag and oxides from the incoming molten metal stream

Explanation: A riser (masselotte in French foundry terminology) acts as a thermal and liquid reservoir. It solidifies last (following Chvorinov's rule) and feeds molten metal into the casting to compensate for liquid-to-solid volumetric shrinkage, preventing shrinkage cavities (retassures).

6In mechanical design and ISO tolerancing, a shaft-hole fit is designated as 40 H7/g6. What type of fit does this represent?

A.Clearance fit (ajustement avec jeu)

B.Interference fit (ajustement avec serrage)

C.Transition fit (ajustement incertain)

D.Shrink fit with hydraulic expansion

Explanation: In ISO limits and fits, 'H' indicates a hole with lower deviation EI = 0. The letter 'g' for a shaft represents an upper deviation es < 0 (the shaft is always smaller than the nominal size 40 mm). Therefore, minimum clearance = EI - es = 0 - (negative) > 0, ensuring a guaranteed clearance fit (ajustement avec jeu).

7During orthogonal metal cutting, the chip thickness before cut is a = 0.25 mm and the cut chip thickness is ac = 0.50 mm. What is the chip compression ratio (cutting ratio rc)?

A.rc = 0.50

B.rc = 2.00

C.rc = 0.25

D.rc = 1.25

Explanation: The cutting ratio (or chip compression ratio rc) is defined as rc = a / ac (uncut chip thickness divided by deformed chip thickness) = 0.25 / 0.50 = 0.50. (The chip thickening ratio λc = 1/rc = 2.0).

8An ideal operational amplifier is configured in an inverting amplifier circuit with input resistor R1 = 10 kΩ and feedback resistor R2 = 100 kΩ. What is the closed-loop voltage gain Av = Vout / Vin?

A.Av = -10

B.Av = +10

C.Av = -0.1

D.Av = +11

Explanation: For an ideal op-amp in inverting configuration with negative feedback, the non-inverting terminal is at virtual ground (0V). The closed-loop voltage gain is Av = -R2 / R1 = -100 kΩ / 10 kΩ = -10.

9A first-order passive low-pass RC filter has R = 1.59 kΩ and C = 100 nF. What is its -3 dB cutoff frequency fc?

A.fc ≈ 1000 Hz

B.fc ≈ 100 Hz

C.fc ≈ 15.9 kHz

D.fc ≈ 6280 Hz

Explanation: The cutoff frequency of a first-order RC low-pass filter is fc = 1 / (2 · π · R · C). Substituting the values: fc = 1 / (2 · π · 1590 · 100 × 10^-9) = 1 / (2 · π · 1.59 × 10^-4) = 1 / (9.99 × 10^-4) ≈ 1000 Hz (1 kHz).

10An NPN bipolar junction transistor (BJT) operates in the active forward region. If the base current is IB = 40 µA and the common-emitter DC current gain is β = 150, calculate the collector current IC and emitter current IE.

A.IC = 6.0 mA, IE = 6.04 mA

B.IC = 3.75 mA, IE = 3.79 mA

C.IC = 60 mA, IE = 60.04 mA

D.IC = 0.6 mA, IE = 0.64 mA

Explanation: In active region: IC = β · IB = 150 · 40 µA = 6000 µA = 6.0 mA. The emitter current is IE = IC + IB = 6.0 mA + 0.04 mA = 6.04 mA.

About the Bac Séries F Côte d'Ivoire Exam

Séries F represent the vocational and industrial technology branches of the Ivorian Baccalauréat, supervised by METFPA and DECO. Covering specialized technical domains — F1 (Mechanical Construction), F2 (Electronics), F3 (Electrotechnics & Power Systems), F4 (Civil Engineering & Building Construction), and F7 (Laboratory Chemistry & Biotechnology) — these diplomas prepare technician-level graduates and qualify students for higher institutes of technology (IUT at INP-HB) and engineering colleges. This bank provides 100 English-language MCQs testing core industrial principles, electrical systems, mechanics, and civil structures.

Assessment

Written and practical examinations across specialized options: F1 (Construction Mécanique), F2 (Électronique), F3 (Électrotechnique), F4 (Génie Civil / BTP), and F7 (Biochimie), along with Mathématiques, Sciences Physiques, Français, Philosophie, and Anglais.

Time Limit

Multi-day examination session (written papers, practical workshop exams, and oral defenses held in June/July).

Passing Score

Graded out of 480 total points; admission requires at least 240/480 (a 10/20 weighted average). Official candidates scoring 192–239 may be repêchés by the jury: 192–215 requires the pass mark in at least two matières spécifiques, 216–239 in at least one, and both bands require an annual school average (moyenne générale annuelle) of at least 10/20.

Exam Fee

5,000 FCFA (official candidate registration fee via TrésorPay/TrésorMoney; optional subjects +1,000 FCFA each) (Direction des Examens et Concours (DECO) / Ministère de l'Éducation Nationale, de l'Alphabétisation et de l'Enseignement Technique (MENAET))

Bac Séries F Côte d'Ivoire Exam Content Outline

Study emphasis ~35%

Industrial Engineering Specialties

Machining processes, electronic filters, op-amps, asynchronous motors, transformers, reinforced concrete design, soil mechanics, and chemical assays.

Study emphasis ~25%

Applied Physics & Electrotechnics

Ohm's and Kirchhoff's laws, single/three-phase AC systems, active/reactive power, magnetic circuits, heat transfer, and electrical safety standards.

Study emphasis ~20%

Technical Mathematics

Calculus, complex impedances, vector fields, differential equations, and statistical quality control.

Study emphasis ~10%

Industrial Automation & Schematics

GRAFCET sequencing, ladder logic, PLC hardware, sensors, actuators, wiring diagrams.

Study emphasis ~10%

General Subjects

Technical French, industrial ethics, workplace safety regulations, and technical English.

How to Pass the Bac Séries F Côte d'Ivoire Exam

What You Need to Know

Passing score: Graded out of 480 total points; admission requires at least 240/480 (a 10/20 weighted average). Official candidates scoring 192–239 may be repêchés by the jury: 192–215 requires the pass mark in at least two matières spécifiques, 216–239 in at least one, and both bands require an annual school average (moyenne générale annuelle) of at least 10/20.
Assessment: Written and practical examinations across specialized options: F1 (Construction Mécanique), F2 (Électronique), F3 (Électrotechnique), F4 (Génie Civil / BTP), and F7 (Biochimie), along with Mathématiques, Sciences Physiques, Français, Philosophie, and Anglais.
Time limit: Multi-day examination session (written papers, practical workshop exams, and oral defenses held in June/July).
Exam fee: 5,000 FCFA (official candidate registration fee via TrésorPay/TrésorMoney; optional subjects +1,000 FCFA each)

Keys to Passing

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

Bac Séries F Côte d'Ivoire Study Tips from Top Performers

1Review asynchronous motor characteristics: synchronous speed, slip, torque, efficiency, and starting methods (direct-on-line, star-delta, soft starters).

2Calculate three-phase power using the two-wattmeter method and capacitor bank sizing for power factor correction.

3Understand reinforced concrete principles (Eurocode / BAEL): moment of resistance, steel rebar sizing, and characteristic compressive strength of concrete.

4Practice GRAFCET level 1 and level 2 diagrams with divergence and convergence in AND/OR branches.

Frequently Asked Questions

Is the official Bac Séries F multiple-choice?

No. Official examinations include written engineering calculations, technical drawing interpretations, and hands-on workshop practical assessments in French. This bank is an English MCQ study adaptation.

What are the main options within Séries F in Côte d'Ivoire?

The main series are F1 (Mechanical Engineering/Manufacturing), F2 (Electronics), F3 (Electrotechnics/Power Systems), F4 (Civil Engineering/Building), and F7 (Laboratory Biological/Chemical Sciences).

What is the passing score for Séries F?

Candidates must score at least 240 points out of 480 (equivalent to a 10/20 average) across all weighted subjects.

100+ Free Bac Séries F Côte d'Ivoire Practice Questions

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