• Q : Newton laws and conveyer belt....
    Mechanical Engineering :

    A package is at rest on a conveyer belt which is initially at rest. The belt is started and moves to the right for 1.5s with a constant acceleration.

  • Q : Carbon content of steel....
    Mechanical Engineering :

    A steel contains 55% alpha-ferrite and 45% gamma-ferrite or austenite at 750 degrees Celsius. What is the carbon content of steel?

  • Q : Determining linear acceleration of crate....
    Mechanical Engineering :

    A brake on the drum is accidentally partially released and the crate accelerates uniformly, reaching the ground after 2.20 seconds.

  • Q : Aircraft acceleration and time....
    Mechanical Engineering :

    An aircraft accelerates uniformly from rest down a runway. After a distance of 800m, the aircraft reaches its take-off speed of 288 km/h.

  • Q : Linear equations and outputs....
    Mechanical Engineering :

    An object is thrown horizontally from the top of a building from an elevation of 64 feet above ground level.

  • Q : Stress due to axial force....
    Mechanical Engineering :

    A circular cross section solid steel shaft 3” in diameter and 4 feet long is fixed at one end and free at the other.

  • Q : Deriving equation of motion....
    Mechanical Engineering :

    Determine the equation of motion of the system in terms of the generalized co-ordinates shown in the drawing and described above.

  • Q : Deceleration caused by braking action....
    Mechanical Engineering :

    A brake is applied to a car traveling at a constant speed of 25 m/s. If the deceleration caused by the braking action is 5 m/per second squared.

  • Q : Theoretical compressor power input....
    Mechanical Engineering :

    A gas turbine takes in air at 300 K and discharges it to the combustion chamber at 620 K. See attached file for full problem description with diagram.

  • Q : Calculating refrigerating capacity....
    Mechanical Engineering :

    Determine the mass of water vapor in 400 m^3 of air at 52 degrees Celsius and a relative humidity of 20% when the atmospheric pressure.

  • Q : Piston-cylinder device....
    Mechanical Engineering :

    A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.

  • Q : Determining exit temperature of liquid stream....
    Mechanical Engineering :

    Refrigerant 134a enters a heat exchanger in a steady state refrigeration system as saturated vapor at 0 °F and exits at 20 °F with no change in pressure.

  • Q : Determining acceleration of collar....
    Mechanical Engineering :

    Collar C slides relative to the curved rod at a constant speed u, while the rod rotates about the horizontal axis at the constant rate.

  • Q : Compression ratio of an air-standard otto cycle....
    Mechanical Engineering :

    The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2.

  • Q : Problem on number sentences....
    Mechanical Engineering :

    Raheen is walking in a 5 1/2 mile walkathon. When he has completed 3/4 of the walkathon, how many miles has he walked?

  • Q : Hydrostatic relation....
    Mechanical Engineering :

    Using the formula in the hydrostatic relation, determine the pressure as a function of depth.

  • Q : Determining stress on a steel rod....
    Mechanical Engineering :

    The rod ABC is made of steel (E = 29 X 10^6 psi). Determine the normal stress in section BC. Determine the deflection at point B and C.

  • Q : Finding magnification factor....
    Mechanical Engineering :

    Knowing the allowable normal stress due to bending +110 MPa in tension and –150 MPa in compression find the largest permissible value load.

  • Q : Completing orthographic views....
    Mechanical Engineering :

    Draw the hidden, visible, and center lines on the orthographic views of the attached file. Then in the empty space sketch a pictorial.

  • Q : Calculating sensible heat and latent heat....
    Mechanical Engineering :

    A 1000 m3/min air flow at 170 degrees F and containing 60% relative humidity needs to be cooled to 48 degrees F to promote condensation.

  • Q : Dehumidification of an air stream....
    Mechanical Engineering :

    Determine both the sensible and latent cooling requirements in units of KW and BTU/sec?

  • Q : Determining compressor size in watts....
    Mechanical Engineering :

    The drinking water needs in a production facility with 20 employees is to be met by a water bubbler type water fountain.

  • Q : Pre-heating of combustion air....
    Mechanical Engineering :

    250 psi saturated steam at approximately 400 degrees F is used to pre-heat ambient air at 60 degrees F through a 100% theoretically efficient heat exchanger.

  • Q : Future value of sums of money....
    Mechanical Engineering :

    Your rich godfather has offered you a choice of one of the three following alternatives: $10,000 now; $2,000 a year for eight years.

  • Q : Finding capacity of cylindrical tank....
    Mechanical Engineering :

    A pipeline is 24 inches in diameter and two miles long. How many cubic feet and how many gallons of water are in pipeline?

©TutorsGlobe All rights reserved 2022-2023.