EEngiGrind

Problems

80 problems across four disciplines

ProblemDisciplineTopicDifficulty
Two-Bar Bracket Member ForceMechanicalStaticseasy
Overhanging Beam Support ReactionsMechanicalStaticseasy
Cantilever Tip DeflectionMechanicalMechanics of Materialsmedium
Maximum Bending Stress in a Simply Supported BeamMechanicalMechanics of Materialsmedium
Torsional Shear Stress in a Solid ShaftMechanicalMechanics of Materialsmedium
Principal Stress from a Plane Stress StateMechanicalMachine Designmedium
Euler Buckling Load of a Pinned ColumnMechanicalMachine Designmedium
Shaft Sizing from Transmitted PowerMechanicalMachine Designhard
Maximum Efficiency of a Heat EngineMechanicalThermodynamicseasy
Exit Temperature of an Isentropic CompressorMechanicalThermodynamicsmedium
Heat Added to a Rigid TankMechanicalThermodynamicseasy
Pressure Drop Across a VenturiMechanicalFluid Mechanicsmedium
Friction Head Loss in a PipeMechanicalFluid Mechanicsmedium
Hydrostatic Force on a Vertical GateMechanicalFluid Mechanicseasy
Heat Flow Through a Composite WallMechanicalHeat Transfermedium
Log Mean Temperature Difference, CounterflowMechanicalHeat Transfermedium
Revolutions During Flywheel Run-DownMechanicalDynamicsmedium
Stopping Distance Under Friction BrakingMechanicalDynamicseasy
Natural Frequency of a Spring-Mass SystemMechanicalVibrationseasy
Damping Ratio from Amplitude DecayMechanicalVibrationshard
Maximum Shear in a Simply Supported BeamCivilStructural Analysiseasy
Bending Moment Under a Point LoadCivilStructural Analysiseasy
Top Chord Force by the Method of SectionsCivilStructural Analysishard
Fixed-End Moment Under a UDLCivilStructural Analysiseasy
Mid-Span Deflection of a Simply Supported BeamCivilStructural Analysismedium
Required Tension Steel in a Singly Reinforced BeamCivilReinforced Concretehard
Design Flexural Strength of a Compact Steel BeamCivilSteel Designmedium
Shear Capacity of a Bolt GroupCivilSteel Designmedium
Nominal Axial Capacity of a Tied ColumnCivilReinforced Concretemedium
Design Moment in a Continuous One-Way SlabCivilReinforced Concreteeasy
Effective Stress Below the Water TableCivilGeotechnicaleasy
Active Thrust on a Retaining WallCivilGeotechnicalmedium
Ultimate Bearing Capacity of a Strip FootingCivilGeotechnicalmedium
Primary Consolidation Settlement of a Clay LayerCivilGeotechnicalhard
Seepage Flow Rate by Darcy's LawCivilGeotechnicaleasy
Discharge in a Rectangular Channel by Manning's EquationCivilHydraulicshard
Peak Runoff by the Rational MethodCivilHydrologymedium
Discharge Through a Sharp-Edged OrificeCivilHydraulicsmedium
Shaft Power Required by a PumpCivilHydraulicseasy
Critical Depth in a Rectangular ChannelCivilHydraulicsmedium
Thévenin Equivalent of a Divider NetworkElectricalDC Circuitsmedium
Node Voltage with Parallel BranchesElectricalDC Circuitseasy
Capacitor Voltage During RC ChargingElectricalTransientsmedium
Current in a Series R-L CircuitElectricalAC Circuitsmedium
Real Power and Power Factor in an R-L LoadElectricalAC Circuitsmedium
Real Power in a Balanced Three-Phase LoadElectricalPower Systemsmedium
Maximum Power Delivered to a LoadElectricalDC Circuitsmedium
Resonant Frequency of an LC CircuitElectricalAC Circuitsmedium
Primary Current of an Ideal TransformerElectricalMachinesmedium
Current Rise in an R-L CircuitElectricalTransientsmedium
Average Output of a Half-Wave RectifierElectricalElectronicsmedium
Series Resistor for a Zener RegulatorElectricalElectronicsmedium
Output of an Inverting Op-AmpElectricalElectronicseasy
Collector Current from Base DriveElectricalElectronicseasy
Voltage Regulation of a TransformerElectricalPower Systemseasy
Slip of an Induction MotorElectricalMachinesmedium
Actual Impedance from a Per-Unit ValueElectricalPower Systemshard
RMS Value of a Sinusoid with DC OffsetElectricalSignalshard
Resolution of a 12-Bit ADCElectricalDigital Systemseasy
Cutoff Frequency of an RC Low-Pass FilterElectricalSignalseasy
Composition of a Mixed StreamChemicalMaterial Balanceseasy
Product Flow from a Two-Outlet SeparatorChemicalMaterial Balancesmedium
Stoichiometric Air-Fuel Ratio for MethaneChemicalCombustionmedium
Duty for Sensible Heating of WaterChemicalEnergy Balanceseasy
Density of an Ideal GasChemicalThermodynamicseasy
Vapour Composition over an Ideal Binary LiquidChemicalThermodynamics / VLEmedium
Enthalpy of Wet SteamChemicalThermodynamicsmedium
Temperature of Two Mixed StreamsChemicalEnergy Balanceseasy
Maximum Ammonia from a Non-Stoichiometric FeedChemicalStoichiometrymedium
Degrees of Freedom for a Binary Two-Phase SystemChemicalThermodynamicseasy
CSTR Volume for a First-Order ReactionChemicalReaction Engineeringmedium
PFR Volume for the Same DutyChemicalReaction Engineeringmedium
Activation Energy from Two Rate ConstantsChemicalReaction Engineeringhard
Batch Time for a First-Order ReactionChemicalReaction Engineeringmedium
Reynolds Number for a Viscous LiquidChemicalFluid Floweasy
Steady Diffusion Rate Through a FilmChemicalMass Transfereasy
Required Heat Exchanger AreaChemicalHeat Transfereasy
Minimum Stages by the Fenske EquationChemicalSeparationshard
Vapour Pressure from the Antoine EquationChemicalThermodynamics / VLEmedium
Settling Time of a First-Order ProcessChemicalProcess Controlmedium