GEMSC or GEMNCO 1-24 Annex 2 Practice Exam

These questions are part of the practice quiz. Start practicing

• PMCS is the acronym for which maintenance concept?
• What is the approximate formula for the required sample size for a confidence interval with margin of error E and standard deviation σ, using Z for large samples?
• Which option correctly states the relationship for tolerances in mechanical design?
• What does the parameter r represent in the NPV formula?
• Which item is not typically considered collateral material?
• At depth h in a fluid of density rho under gravity g, which expression gives the hydrostatic pressure p?
• (BLANK) involves establishing a system of access accountability for any tools the unit/section/shop is responsible for.
• Equipment counter readings must be recorded in the GCSS_MC install base (IB) on a what basis as operational conditions allow?
• Conduction heat transfer through a wall: k = 1.5 W/mK, L = 0.2 m, A = 10 m^2, ΔT = 20 K. What is Q?
• Compute the COP of a heat pump delivering 4 kW of heat while consuming 1 kW of electrical power.
• Compute the net present value (NPV) of an annuity with annual cash flows of 20,000 for 5 years at a 10% discount rate (ignore initial investment).
• Which statement correctly defines ultimate tensile strength?
• What distinguishes static analysis from dynamic analysis in structures?
• PMCS records for which group are not required to be scheduled or captured in the MAIS?
• A simply supported beam length 3 m with a central load of 600 N. What is M_max?
• Pascal's law states that pressure applied to an enclosed fluid is transmitted how?
• Big-O notation describes what?
• In electrical systems, what best defines reserve capacity versus maximum demand?
• The (BLANK) lists all components of collection-type items (e.g. chests, kits, outfits, and assortments) and components of military equipment (e.g. vehicles, weapons, and communication equipment).
• In a parallel circuit, the equivalent resistance is:
• In PERT, which distribution is often assumed for activity durations to compute expected times?
• Which reference mandates separate service requests be opened for different types of maintenance such as calibration, corrective maintenance, and modifications?
• Which description best matches field maintenance?
• Compute Reynolds number Re for ρ = 1000 kg/m^3, V = 2 m/s, D = 0.05 m, μ = 0.001 Pa·s.
• Which factor does not affect hydrostatic pressure at a given depth in a static fluid?
• In a transfer function, what defines the dominant pole?
• Which list identifies all components of collection-type items and equipment components?
• What is a safety factor and how is it used in structural design?
• Alongside the Consolidated Memorandum Receipt (CMR), which item lists the equipment and quantities used for maintenance and is consulted during TAMCN-related determinations?
• What does the Reynolds number indicate in fluid flow?
• What is the purpose of a PID controller and how do the P, I, and D terms typically affect the response?
• Per the technical publications legacy numbering system, TM 11496A-O1/3 is written for which categories of maintenance tasks within the field level of maintenance (LOM)?
• If the wall thickness L in the conduction formula Q = k A ΔT / L is doubled, what happens to Q?
• (BLANK) are not issued with the end item upon the end item's fielding. Items in this category must be requisitioned by the unit via the supply systems of sourced via the push fulfillment process
• Define Net Present Value (NPV) and state how to decide on project acceptance given a discount rate.
• What term describes modifications implemented to prevent death or serious injury, or to prevent major damage to equipment, when time is critical?
• In a DC circuit with a 12 V source and a 4 ohm resistor, what is the current?
• In process safety, LOCA refers to a Loss of Coolant Accident scenario; HAZOP is a systematic hazard identification method to find design-intent deviations. Which option correctly describes this pair?
• A 60 Hz AC circuit; calculate the reactive power Q given V_rms = 230 V and X_L = 10 ohms.
• Tools sets, chest, and kits that are in the administrative storage program (ASP), will be visually inspected at least (BLANK).
• Which statement best describes a key function of a heat exchanger in process industries?
• What does the acronym TMDE stand for?
• In a PID controller, which term accounts for accumulated error over time?
• Compute Reynolds number Re for ρ = 1.225 kg/m^3, V = 8 m/s, D = 0.5 m, μ = 1.81e-5 Pa·s.
• Which expression defines the Factor of Safety (FoS) for a component?
• In a series LCR circuit, the quality factor Q is commonly approximated by which expression?
• What is a binary search algorithm and its time complexity?
• Which components are normally fielded when the associated parent ME is fielded, but may be integrated at any time to provide the capability set?
• Fatigue life is defined as which of the following?
• Which term describes tools not currently maintained within standard TE sets but needed to meet garrison peculiar requirements?
• Root cause analysis aims to identify fundamental causes of problems. Which two methods are commonly associated with this practice?
• In energy management, what is a Demand Charge and how can it be mitigated?
• If a component has a constant failure rate λ per hour, what is the MTBF?
• Which publication for supply-related tasks or procedures for specific equipment classes?
• Which of the following is a correct statement about entropy change for a reversible process?
• What is the Nyquist criterion for stability in a feedback system?
• Which program governs the storage and inspection of tool sets, chests, and kits?
• Dimensionless number definition.
• What does EDO stand for in this context?
• Which technique reduces peak power by shifting energy use to off-peak times?
• Which maintenance designator indicates that a technical publication is written for the second echelon of organized maintenance tasks?
• What does CM stand for in this maintenance context?
• CapEx and OpEx are terms in financial accounting for engineering projects. Which statement correctly distinguishes them?
• Beyond Operator/crew level PMCS, how often is it required to be completed?
• Which statement differentiates LCA and EIA?
• If PMCS requires an interval but none is provided, who designates the interval not to exceed one year?
• In risk assessment for a project, which set of activities best describes the process?
• State Bernoulli's principle and its physical meaning in fluid flow.
• Describe how a PID controller achieves zero steady-state error in the presence of a constant input.
• The letter P following a maintenance indicator denotes that the publication contains which information?
• In a SIL assessment for process safety, which statement best describes its purpose?
• Which term includes servicing, adjustment, and tuning to maintain equipment in an operationally ready condition?
• Given PV = $150k, EV = $120k, AC = $140k, compute CV and SV and interpret.
• What calibration status indicates that the TMDE has been adjusted within the specifications approved by the Marine Corps?
• Gauge pressure at depth h in a fluid of density ρ is P = ρ g h. Compute P for h = 10 m, ρ = 1000 kg/m^3, g = 9.81 m/s^2.
• When a TBM publication is disseminated via Electronic Distribution Only, how is it distributed?
• Which item is not typically a category in an Ishikawa diagram for equipment failures?
• Briefly describe the purpose and steps of the Critical Path Method in project scheduling.
• What is the NPV formula?
• In the designation TM 12345-12/2, what does the trailing '2' denote?
• In procurement terms, the quantity must not exceed the T/E requirement for which SAC category?
• Which designation is used for non-expendable equipment with HQMC allowances based on the formal Table of Organization (T/O)?
• Which of the following is an example of an independent protection layer in process safety?
• Which scheduling technique uses probabilistic time estimates to determine a probabilistic critical path?
• Which statement correctly distinguishes absolute tolerances from relative tolerances?
• In process safety, what does Safety Integrity Level indicate?
• If yield strength is 350 MPa and design stress is 175 MPa, FoS equals?
• Locally fabricated tools are those fabrication directed by which document?
• How do you determine which equipment requires Preventative Maintenance Checks and Services (PMCS)?
• Which of the following are dimensionless numbers?
• In the hydraulic power equation P = ρ g Q H, which option correctly defines the variables?
• Which statement about Safety Integrity Level (SIL) is true?
• The letter P after the maintenance indicator denotes which information?
• Which category is traditionally included in Ishikawa diagram cause categories?
• In earned value management, the Planned Value (PV) vs Earned Value (EV) relationship describes what?
• Distinguish analogue and digital signals with engineering examples.
• How is factor of safety typically calculated?
• Normal modifications are accomplished on a scheduled basis within (BLANK) of the effective date of the modification instruction, unless the modification instruction states otherwise.
• Which statement correctly identifies the heat transfer mechanism with its typical example?
• State Fourier's law for steady-state one-dimensional heat conduction in a plane wall.
• Which publication type is typically written in a five-paragraph format and defines mission, delegates authority, and assigns responsibility?
• Modification instructions' records for Marine Corps equipment are tracked via which method?
• In earned value management, which metric directly indicates schedule performance?
• At constant pressure for an ideal gas, how does volume change with temperature?
• What is Thevenin's theorem and when is it used?
• How many calibration status categories are TMDE required to be placed into?
• Which statement is true about regeneration in a Brayton cycle?
• Which technical publication provides supply support information on specific supply tasks or procedures for equipment or material?
• Kalman filtering is best described as:
• In digital signal processing, the sampling rate determines what?
• Differentiate CPM and PERT in project scheduling.
• The (BLANK) are items defined as non-expendable military equipment with allowances established by Headquarters Marine Corps based on formal Table of Organization (T/O) mission statement.
• Which statement correctly distinguishes emissions standards from ambient air quality standards?
• After conducting an inventory, what action should be taken with any excess tools?
• Which expression correctly defines Carnot efficiency for a heat engine operating between Thot and Tcold (absolute temperatures)?
• What is a digital signal representation with a sample rate and quantization?
• What is the unit of the overall heat transfer coefficient U?
• What does calibration mean in instrument maintenance and why is it important?
• In reliability engineering, what is the bathtub curve and its phases?
• Which reference requires GCSS-MC be used for tracking calibrated items?
• Which technical publication contains permanent instructions on operation, maintenance, and handling of equipment or material?
• Which expression represents Hooke's Law relating stress and strain using Young's modulus?
• Who is authorized in writing special tool allowances for tools not currently maintained within T/E sets to meet garrison peculiar requirements?
• Which two thermodynamic cycles are commonly used for power generation?
• Definition of thermal efficiency η of a heat engine.
• What does MTBF stand for and what does a higher MTBF indicate?
• Explain the difference between a safety factor and reliability.
• A boiler feedwater is pumped from 0 m to 18 m head. If friction losses are 2 m, what total dynamic head should the pump overcome?
• What does the acronym UURI stand for in maintenance context?
• What is the time interval for PMCS that is required to be conducted biennially?
• A heat exchanger has U = 400 W/m^2K, area A = 5 m^2, ΔT = 30 K. What is the heat transfer rate Q?
• Which statement correctly differentiates IRR from the discount rate used in NPV calculations?
• Which of the following is a typical example of collateral material?
• Tool sets in the Administrative Storage Program (ASP) will be visually inspected at least how often?
• Which maintenance is described as not requiring depot maintenance capability and performed by Marine Corps units or approved sources?
• Which tools are designated as not going into forward deployed areas?
• A control system is perturbed slightly and the perturbation decays over time. What type of stability is this?
• What does MAIS stand for?
• In a series LCR circuit, which condition characterizes resonance and what happens to the impedance?
• In risk management, what is meant by residual risk?
• For an ideal gas, which equation is correct?
• In a closed system with the sign convention that heat added to the system is positive and work done by the system is positive, which equation describes the first law?
• Which statement correctly distinguishes specific heat capacity and molar heat capacity?
• What type of non-technical publication is written communication for policy and procedures?
• Which term refers to non-TAMCN items or OM&S furnished with end items upon initial issue and typically remain with the owning unit during redistribution?
• Normal modifications are accomplished on a scheduled basis within how many months of the effective date of the modification instruction, unless otherwise stated?
• Which statement best describes heat exchangers in process systems?
• Which statement best describes qualitative vs quantitative risk assessment?
• Which document requires that all test and measuring equipment be in one of four calibration status categories?
• FSMAO will inspect to ensure that only which directed modifications are applied to Marine Corps equipment?
• Which statement accurately defines yield strength and ultimate tensile strength?
• To verify policy requiring GCSS-MC for tracking calibrated items, which reference would you consult?
• Which type of maintenance is any maintenance that does not require depot maintenance capability and is performed by crew/operators and maintainers within Marine Corps organized activities, and/or by approved commercial/contract sources?
• Preventative Maintenance checks and services (PMCS) conducted by (BLANK) are not required to be scheduled or captured in the MAIS.
• Which publication does the following statement describe: 'Authorize the modification of equipment of materials to improve its basic design, and furnishes technical instructions on how to accomplish the changes'?
• A heat pump delivers 6 kW of heating with COP of 4. Compute the electrical input power required.
• Which type of maintenance is performed by Marine Corps units or approved contractors without depot support?
• For a simply supported beam of length L with a central point load P, what is the maximum bending moment M_max?
• Which maintenance category may require higher technical training, specialized tools, and facilities?
• Which maintenance tasks may require higher technical training, specialized tools and/or facilities?
• Prioritizing mitigation actions in risk management aims to:
• The present value of future cash flows decreases when the discount rate increases, and later cash flows are discounted more heavily.
• Increasing quantization levels primarily affects which aspect?
• What does TMDE stand for?
• As cyclic stress amplitude increases, how does the number of cycles to failure generally change?
• Define a functional block diagram and its benefit in control system modelling.
• What is the equivalent resistance of a series chain of 6 ohms and 3 ohms?
• An operational test code (OTC) of (BLANK) assigned to an item indicates that the item requires calibration
• Which TMDE calibration status indicates the item is not used in the near future?
• Which phrase best describes collection-type items such as chests, kits, outfits, and assortments?
• Publication with five-paragraph format that defines mission and assigns authority?
• The statement about the COP and heat delivered: if COP increases while heat delivered remains constant, the electrical input power must decrease.
• Yield strength is defined as the stress at which a material begins plastic deformation; its significance for design is to prevent permanent deformation by using a factor of safety below yield. This describes:
• For a PID controller with Kp = 2, Ki = 0.5, Kd = 0.1, which expression represents the control signal u(t)?
• In FEDLOG, which item tab location would you access to view the operation test code (OTC)?
• Which publications should be used when conducting preventative maintenance checks and services (PMCS)?
• Which statement best describes hydrostatic pressure with respect to velocity?
• In control systems, which type yields zero steady-state error to a step input?
• What is the equivalent resistance for a parallel combination of 6 ohms and 3 ohms?
• In the Critical Path Method, what does earliest start represent?
• In process control, what is the role of sensors and actuators?
• What does Layer of Protection Analysis (LOPA) evaluate in risk assessment?
• What is the primary use of the Fourier transform in signal analysis?
• ROI is a measure of what?
• Which maintenance designator indicates that a technical publication is written for the 1st and 2nd echelons of organizational maintenance tasks, as well as for the 3rd echelon of intermediate maintenance tasks?
• In an RC circuit, derive the time constant for the charging of a capacitor through a resistor.
• Which heat transfer mode can occur in vacuum?
• Explain the concept of mutual exclusion in concurrent programming.
• What is the purpose of the Major Automated Information System (MAIS) calibration scheduling form, records, and reports?
• What does PMCS stand for?
• In a purely inductive circuit with voltage V and inductive reactance X_L, which expression correctly gives the reactive power Q?
• Which statement correctly states Bernoulli's equation for incompressible, non-viscous flow along a streamline and its typical assumptions?
• In GCSS-MC, where would a user input or change calibration and/or preventative maintenance information for a specific piece of equipment?
• Which statement about entropy is true?
• In GCSS-MC, what is the term used for the database of equipment records where counter readings and operational data are logged?
• The S-N curve relates cyclic stress amplitude to which quantity?
• In a maintenance shop, after a CMR layout reconciliation, which document should be referenced to verify deficiencies in A TAMCN tools?
• A resistor has 9 V across it and a resistance of 3 ohms. What is the power dissipated?
• In a gas turbine cycle, what is recuperation and how does it affect cycle efficiency?
• Which list identifies all components of collection-type items and equipment components?
• What is the key difference between elastic and plastic deformation?
• In FEDLOG, which tab would you use to find the operation test code (OTC) for an item?
• A resistor has nominal value 200 ohms with tolerance ±5%. What is the acceptable resistance range?
• What fundamental ethical principle guides engineering practice?
• Which maintenance designator indicates second-echelon maintenance tasks?
• Define fatigue life and explain how it differs from yield strength in materials design.
• TMDE calibration status that indicates items not used in the near future?
• What is mean squared error?
• A thermodynamic cycle uses net work W_net and heat input Q_in. Define efficiency η and name two cycle types commonly used in power generation.
• Which calibration status category would apply to TMDE where only unit-required calibrations are performed?
• In a series circuit, the equivalent resistance equals:
• What is the Nyquist criterion in relation to sampling?
• Root cause analysis technique Ishikawa diagram is also known as which term?
• In a Brayton cycle, turbine work exceeds compressor work; regeneration affects net work output how?
• Which statement best describes CPM and PERT in project scheduling?
• Which statement best distinguishes accuracy from precision in measurement?
• How are standard deviation and variance related?
• Which sequence describes performing root cause analysis with an Ishikawa diagram for a recurring equipment failure?
• What is the purpose of root cause analysis and a common method used?
• In reliability margins for electrical systems, which statement is true?
• Distinguish steady-state from transient behavior in dynamic systems.
• What calibration status category is assigned to TMDE items that a using unit has determined are not used in any application requiring qualitative/quantitative measurements?
• In an RC charging circuit, which statement is true as time t approaches infinity?
• Which mi status best indicates that the equipment was modified while in custody of the owning unit?
• Young's modulus is defined as the ratio of stress to strain in which region of a material's response?
• In terms of dissemination, the acronym EDO indicates that a publication is distributed via what medium?
• If yield strength is constant at 350 MPa and design stress decreases to 175 MPa, what happens to the Factor of Safety?
• What is the function of the network layer (OSI layer 3) and a typical protocol?
• Given a unity-feedback system with open-loop G(s) = K/(s(Ts+1)), the closed-loop characteristic equation is Ts^2 + s + K = 0. The system is stable when:
• Which publication describes the authorization of modification of equipment to improve its basic design, and furnishes technical instructions on how to accomplish the changes?
• In the equation P = ρ g Q H, what does ρ represent?
• The SL-3 lists all components of which items?
• Aliasing occurs when sampling rate is insufficient to capture a signal, causing distortion. Which of the following best describes a practical way to prevent aliasing?
• A gas has V1 = 2.0 L at T1 = 273 K at constant pressure. What is V2 at T2 = 546 K?
• MTBF is used to estimate...
• What is the calibration status category assigned to TMDE whose only calibrated functions were those deemed as being required by the using unit?
• Tools sets, chests, and kits issued to individuals that have locks and secure storage are inventoried at least how often?
• In a TM number such as TM 12345-12/2, the trailing digit indicates what?
• Which ROI formula is correct?
• How long are consolidated memorandum of receipt inventories retained?