Engineering Mechanics Viva Questions

What is engineering mechanics?
What are the fundamental principles of mechanics?
What is a force and how is it measured?
What is a moment and how is it measured?
What is a couple and how is it measured?
What is a free body diagram and how is it used?
What is equilibrium and how do you determine if a body is in equilibrium?
What are the different types of supports and how do they affect the equilibrium of a structure?
What is a truss and how do you analyze it?
What is a beam and how do you analyze it?
What is a frame and how do you analyze it?
What is stress and how is it calculated?
What is strain and how is it calculated?
What is the difference between tensile and compressive stress?
What is the modulus of elasticity?
What is Hooke’s law?
What is the principle of superposition?
What is a Mohr’s circle?
What is the difference between a statically determinate and statically indeterminate structure?
What is the method of joints and how is it used to analyze trusses?
What is the method of sections and how is it used to analyze trusses?
What is the bending moment and how is it calculated?
What is the shear force and how is it calculated?
What is the shear stress and how is it calculated?
What is the difference between bending and shear stress?
What is the second moment of area and how is it calculated?
What is the maximum stress theory?
What is the maximum strain theory?
What is the distortion energy theory?
What is the difference between a beam and a column?
What is the Euler buckling load and how is it calculated?
What is the difference between a pin joint and a fixed joint?
What is the difference between a cantilever beam and a simply supported beam?
What is the difference between a concentrated load and a distributed load?
What is the difference between a statically determinate and statically indeterminate beam?
What is a moment of inertia and how is it calculated?
What is the principle of virtual work?
What is the difference between a kinematic and kinetic analysis?
What is the difference between a conservative and non-conservative force?
What is the difference between a scalar and vector quantity?
What is the law of conservation of momentum?
What is the difference between linear and angular momentum?
What is the principle of impulse and momentum?
What is the difference between elastic and inelastic collisions?
What is the difference between a static and dynamic equilibrium?
What is the center of mass and how is it calculated?
What is the principle of work and energy?
What is the difference between potential and kinetic energy?
What is the principle of conservation of energy?
What is the difference between a machine and a structure?
What is the difference between an ideal and actual machine?
What is a gear train and how does it work?
What is a cam and how does it work?
What is a flywheel and how does it work?
What is a belt drive and how does it work?
What is the difference between static and kinetic friction?
What is the difference between a coefficient of friction and angle of friction?
What is the principle of moment of momentum?
What is the difference between laminar and turbulent flow?
What is the Bernoulli’s equation and how is it applied in fluid mechanics?
What is the difference between a laminar and turbulent boundary layer?
What is the Reynolds number and how is it calculated?
What is the difference between a closed and open system?
What is the difference between a steady and unsteady flow?
What is the difference between a compressible and incompressible flow?
What is the difference between a one-dimensional and two-dimensional flow?
What is the difference between a hydraulic and pneumatic system?
What is Pascal’s law?
What is the difference between gauge pressure and absolute pressure?
What is the difference between a centrifugal and positive displacement pump?
What is the difference between a nozzle and diffuser?
What is the difference between a laminar and turbulent jet?
What is the difference between a boundary layer and wake?
What is the difference between a vortex and eddy?
What is the difference between laminar and turbulent boundary layer separation?
What is the difference between a velocity and acceleration field?
What is the principle of continuity in fluid mechanics?
What is the principle of conservation of mass in fluid mechanics?
What is the principle of conservation of momentum in fluid mechanics?
What is the principle of conservation of energy in fluid mechanics?
What is the difference between a laminar and turbulent flow in a pipe?
What is the difference between a laminar and turbulent flow in a channel?
What is the difference between a laminar and turbulent flow in a boundary layer?
What is the difference between a converging and diverging nozzle?
What is the difference between a subsonic and supersonic flow?
What is the Mach number and how is it calculated?
What is the difference between a hydraulic and electric actuator?
What is the difference between a hydraulic and electric brake?
What is the difference between a hydraulic and electric motor?
What is the difference between a hydraulic and electric pump?
What is the difference between a hydraulic and electric valve?
What is the difference between a flow control valve and pressure control valve?
What is the difference between a proportional and on-off control valve?
What is the difference between a hydraulic accumulator and filter?
What is the difference between a hydraulic cylinder and motor?
What is the difference between a hydraulic hose and tube?
What is the difference between a hydraulic power unit and system?
What is the difference between a hydraulic reservoir and tank?
What is the difference between a hydraulic schematic and diagram?
What is the difference between a hydraulic symbol and drawing?
What is the difference between a hydraulic and pneumatic cylinder?
What is the difference between a hydraulic and pneumatic motor?
What is the difference between a hydraulic and pneumatic pump?
What is the difference between a hydraulic and pneumatic system?
What is the difference between a hydraulic and pneumatic valve?
What is the difference between a pressure and flow control valve?
What is the difference between a proportional and servo valve?
What is the difference between a hydraulic and pneumatic accumulator?
What is the difference between a hydraulic and pneumatic filter?
What is the difference between a hydraulic and pneumatic hose?
What is the difference between a hydraulic and pneumatic power unit?
What is the difference between a hydraulic and pneumatic reservoir?
What is the difference between a hydraulic and pneumatic schematic?
What is the difference between a hydraulic and pneumatic symbol?
What is the difference between a hydraulic and pneumatic drawing?
What is the difference between a hydraulic and pneumatic cylinder?
What is the difference between a hydraulic and pneumatic motor?
What is the difference between a hydraulic and pneumatic pump?
What is the difference between a hydraulic and pneumatic system?
What is the difference between a hydraulic and pneumatic valve?
What is a heat exchanger and how does it work?
What is the difference between a shell-and-tube and plate heat exchanger?
What is the difference between a cross-flow and counter-flow heat exchanger?
What is the difference between a single-pass and multi-pass heat exchanger?
What is the difference between a co-current and counter-current heat exchanger?
What is the difference between a parallel and series heat exchanger?
What is the difference between a sensible and latent heat transfer?
What is the difference between a conduction and convection heat transfer?
What is the difference between a radiation and convection heat transfer?
What is the difference between a steady-state and transient heat transfer?
What is the difference between a heat flux and temperature gradient?
What is the difference between a thermocouple and RTD sensor?
What is the difference between a thermistor and thermocouple sensor?
What is the difference between a thermocouple and thermistor sensor?
What is the difference between a thermocouple and RTD sensor?
What is the difference between a thermistor and RTD sensor?
What is the difference between a single and dual-point calibration?
What is the difference between a contact and non-contact temperature measurement?
What is the difference between an isothermal and adiabatic process?
What is the difference between an isobaric and isochoric process?
What is the difference between an isothermal and isochoric process?
What is the difference between an isentropic and adiabatic process?
What is the difference between a closed and open system in thermodynamics?
What is the difference between a steady-state and transient system in thermodynamics?
What is the difference between a reversible and irreversible process in thermodynamics?
What is the difference between a work and heat transfer in thermodynamics?
What is the difference between a first and second law of thermodynamics?
What is the difference between an internal and external combustion engine?
What is the difference between a petrol and diesel engine?
What is the difference between a four-stroke and two-stroke engine?
What is the difference between a reciprocating and rotary engine?
What is the difference between a spark-ignition and compression-ignition engine?
What is the difference between a supercharger and turbocharger?
What is the difference between a carburetor and fuel injection system?
What is the difference between a camshaft and crankshaft?
What is the difference between a governor and flywheel?
What is the difference between a radiator and intercooler?
What is the difference between a shaft and axle?
What is the difference between a strut and tie rod?
What is the difference between a stud and bolt?
What is the difference between tensile and compressive stress?
What is the difference between shear and bending stress?
What is the difference between ductile and brittle materials?
What is the difference between yield strength and ultimate strength?
What is the difference between stress and strain?
What is the difference between modulus of elasticity and modulus of rigidity?
What is the difference between Hooke’s law and Poisson’s ratio?
What is the difference between isotropic and anisotropic materials?
What is the difference between a simple and compound beam?
What is the difference between a statically determinate and indeterminate beam?
What is the difference between a fixed and simply supported beam?
What is the difference between a cantilever and overhanging beam?
What is the difference between a propped and continuous beam?
What is the difference between a point and distributed load on a beam?
What is the difference between a concentrated and distributed load on a beam?
What is the difference between a uniformly distributed and varying load on a beam?
What is the difference between a positive and negative moment on a beam?
What is the difference between a neutral axis and centroid of a beam?
What is the difference between a section modulus and moment of inertia?
What is the difference between a structural steel and aluminum beam?
What is the difference between a truss and frame structure?
What is the difference between a pin joint and rigid joint in a truss?
What is the difference between a tension and compression member in a truss?
What is the difference between a chord and web in a truss?
What is the difference between a statically determinate and indeterminate truss?
What is the difference between a simple and compound truss?
What is the difference between a Howe and Pratt truss?
What is the difference between a space and planar truss?
What is the difference between a beam and plate element in Finite Element Analysis?
What is the difference between a tetrahedron and hexahedron element in Finite Element Analysis?
What is the difference between a mesh and grid in Finite Element Analysis?
What is the difference between a linear and nonlinear analysis in Finite Element Analysis?
What is the difference between a static and dynamic analysis in Finite Element Analysis?
What is the difference between a transient and steady-state analysis in Finite Element Analysis?
What is the difference between a stiffness and mass matrix in Finite Element Analysis?
What is the difference between a displacement and stress analysis in Finite Element Analysis?
What is the difference between a 2D and 3D analysis in Finite Element Analysis?
What is the difference between a laminar and turbulent flow?
What is the difference between a Newtonian and non-Newtonian fluid?
What is the difference between a pressure and velocity boundary condition in fluid mechanics?
What is the difference between a streamline and pathline in fluid mechanics?
What is the difference between a control volume and control surface in fluid mechanics?
What is the difference between a stagnation point and separation point in fluid mechanics?
What is the difference between a laminar and turbulent boundary layer?
What is the difference between a hydraulic and pneumatic system?
What is the difference between a reciprocating and centrifugal pump?
What is the difference between a positive displacement and dynamic compressor?
What is the difference between a single-stage and multi-stage compressor?
What is the difference between a nozzle and diffuser in fluid mechanics?
What is the difference between a Francis and Pelton turbine?
What is the difference between a single and double effect evaporator?
What is the difference between a parallel and counterflow heat exchanger?
What is the difference between a condenser and evaporator in refrigeration?
What is the difference between a single and double pipe heat exchanger?
What is the difference between a shell and tube heat exchanger and plate heat exchanger?
What is the difference between a sensible and latent heat transfer?
What is the difference between thermal conductivity and thermal diffusivity?
What is the difference between steady and unsteady-state heat transfer?
What is the difference between conduction, convection, and radiation heat transfer?
What is the difference between a thermocouple and resistance temperature detector?
What is the difference between a positive and negative feedback system in control engineering?
What is the difference between a proportional, integral, and derivative controller?
What is the difference between a feedback and feedforward control system?
What is the difference between a time and frequency domain in control engineering?
What is the difference between a stable and unstable system in control engineering?
What is the difference between an open-loop and closed-loop control system?
What is the difference between a lead and lag compensator in control engineering?
What is the difference between a dead time and time constant in control engineering?
What is the difference between a mechanical and electrical system?
What is the difference between a linear and nonlinear system?
What is the difference between a lumped and distributed system?
What is the difference between a deterministic and stochastic system?
What is the difference between a discrete and continuous system?
What is the difference between a feedback and feedforward system in control engineering?
What is the difference between a time and frequency domain in control engineering?
What is the difference between a proportional, integral, and derivative controller in control engineering?
What is the difference between a stable and unstable system in control engineering?
What is the difference between an open-loop and closed-loop system in control engineering?
What is the difference between a lead and lag compensator in control engineering?
What is the difference between a dead time and time constant in control engineering?
What is the difference between an actuator and sensor in control engineering?
What is the difference between a position and velocity sensor?
What is the difference between a linear and rotary actuator?
What is the difference between an analog and digital signal?
What is the difference between a binary and decimal number system?
What is the difference between an AC and DC voltage signal?
What is the difference between an op-amp and comparator?
What is the difference between a microcontroller and microprocessor?
What is the difference between RAM and ROM memory?
What is the difference between a single-phase
What is the difference between an induction and synchronous motor?
What is the difference between a series and parallel circuit?
What is the difference between a diode and transistor?
What is the difference between an insulator and conductor?
What is the difference between a magnetic and electric field?
What is the difference between a scalar and vector quantity in physics?
What is the difference between a force and torque in mechanics?
What is the difference between mass and weight?
What is the difference between velocity and acceleration?
What is the difference between work and power in mechanics?
What is the difference between static and dynamic friction?
What is the difference between elastic and plastic deformation?
What is the difference between stress and strain?
What is the difference between a beam and column in structural mechanics?
What is the difference between an axial and bending load?
What is the difference between a compression and tension load?
What is the difference between a truss and frame in structural mechanics?
What is the difference between a cantilever and simply supported beam?
What is the difference between a moment and torque in mechanics?
What is the difference between a shear and moment diagram in mechanics?
What is the difference between an impulse and momentum in mechanics?
What is the difference between a free body diagram and shear/moment diagram in mechanics?
What is the difference between a closed and open system in thermodynamics?
What is the difference between a reversible and irreversible process in thermodynamics?
What is the difference between an isothermal and adiabatic process in thermodynamics?
What is the difference between a state and path function in thermodynamics?
What is the difference between internal energy and enthalpy in thermodynamics?
What is the difference between heat and temperature?
What is the difference between a thermodynamic cycle and process?
What is the difference between the first and second law of thermodynamics?
What is the difference between a Carnot and Rankine cycle in thermodynamics?
What is the difference between a heat engine and heat pump?
What is the difference between a vapor and gas in thermodynamics?
What is the difference between a saturated and superheated vapor in thermodynamics?
What is the difference between a compressor and turbine in thermodynamics?
What is the difference between a throttle and expansion valve in thermodynamics?
What is the difference between a single and double-stage compressor in thermodynamics?
What is the difference between a condenser and evaporator in thermodynamics?
What is the difference between a subcooled and superheated liquid in thermodynamics?
What is the difference between a power cycle and refrigeration cycle in thermodynamics?
What is the difference between an adiabatic and isentropic process in thermodynamics?
What is the difference between a heat transfer coefficient and heat flux in thermodynamics?
What is the difference between a heat sink and heat source in thermodynamics?
What is the difference between a thermal and electrical conductivity?
What is the difference between a steady and unsteady flow in fluid mechanics?
What is the difference between a compressible and incompressible flow in fluid mechanics?
What is the difference between a laminar and turbulent flow in fluid mechanics?
What is the difference between a boundary layer and wake in fluid mechanics?
What is the difference between a streamline and streakline in fluid mechanics?
What is the difference between a flow rate and velocity in fluid mechanics?

Engineering Mechanics Viva Questions

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