Questions
- 21701. Define compressive stress and strain.
- 21702. Define tensile stress and strain.
- 21703. What is yield strength?
- 21704. What is endurance limit?
- 21705. What is creep?
- 21706. What is fatigue?
- 21707. Define brittleness.
- 21708. Define malleability.
- 21709. Define resilience.
- 21710. Define toughness.
- 21711. Define hardness.
- 21712. What are mechanical properties of materials?
- 21713. Define ductility.
- 21714. What is strength of a material?
- 21715. What is stiffness?
- 21716. What is plasticity?
- 21717. What is elasticity?
- 21718. What is the unit of strain?
- 21719. What is the unit of stress?
- 21720. Define strain.
- 21721. Define stress.
- 21722. What is Mechanics of Materials?
- 21723. How is fluid mechanics applied in wind turbines and hydroelectric plants?
- 21724. What is role of fluid mechanics in cooling of transformers?
- 21725. What are hydraulic systems used for in electrical engineering?
- 21726. What is free vortex?
- 21727. What is forced vortex?
- 21728. What is vortex motion?
- 21729. Define circulation and vorticity.
- 21730. What is stream function–potential function relationship?
- 21731. What are assumptions made in Navier–Stokes equation?
- 21732. What is Navier–Stokes equation?
- 21733. Explain flow through sudden expansions using energy principle.
- 21734. What is total energy of a fluid particle?
- 21735. What is energy head?
- 21736. What is kinetic energy correction factor?
- 21737. What is momentum correction factor?
- 21738. What is jet impact on moving plate?
- 21739. What is jet impact on stationary plate?
- 21740. Define impulse of a jet.
- 21741. What are applications of momentum equation?
- 21742. State momentum equation.
- 21743. What are governing mechanisms in turbines?
- 21744. What is surge tank?
- 21745. What is draft tube?
- 21746. What is overall efficiency?
- 21747. Define mechanical efficiency.
- 21748. Define hydraulic efficiency.
- 21749. What is Kaplan turbine?
- 21750. What is Francis turbine?
- 21751. What is Pelton turbine?
- 21752. What are types of hydraulic turbines?
- 21753. What is net positive suction head (NPSH)?
- 21754. Define cavitation in pumps.
- 21755. What is priming of pump?
- 21756. What is specific speed of pump?
- 21757. What is a reciprocating pump?
- 21758. What is a centrifugal pump?
- 21759. What is difference between pump and turbine?
- 21760. What is a turbine?
- 21761. What is a pump?
- 21762. What is a hydraulic machine?
- 21763. What is vortex shedding?
- 21764. What is terminal velocity?
- 21765. What is drag coefficient?
- 21766. What is lift coefficient?
- 21767. What is skin friction drag?
- 21768. What is pressure drag?
- 21769. What is bluff body?
- 21770. What is streamline body?
- 21771. Define lift force.
- 21772. Define drag force.
- 21773. What is choking in nozzles?
- 21774. What is shock wave?
- 21775. Define adiabatic flow.
- 21776. What is isentropic flow?
- 21777. What is stagnation temperature?
- 21778. What is stagnation pressure?
- 21779. Define subsonic, supersonic, and hypersonic flows.
- 21780. What is sonic velocity?
- 21781. Define Mach number.
- 21782. What is compressible flow?
- 21783. How can energy losses be minimized in pipe systems?
- 21784. What is cavitation in pipes?
- 21785. What are losses due to bends and fittings?
- 21786. What is siphon?
- 21787. What is total energy line (TEL)?
- 21788. What is hydraulic gradient line (HGL)?
- 21789. What is power transmission through pipes?
- 21790. What is equivalent pipe?
- 21791. What is a parallel pipe system?
- 21792. What is a series pipe system?
- 21793. What is head loss due to sudden contraction?
- 21794. What is head loss due to sudden expansion?
- 21795. What causes minor losses in pipes?
- 21796. What causes major losses in pipes?
- 21797. What are major and minor losses?
- 21798. What is Moody’s chart?
- 21799. Define friction factor.
- 21800. What is Darcy-Weisbach equation?