Mechanical Engineering Answers

The water enters a pipe with an inner diameter of 40 cm and a length of 15 m at a temperature of 20C with a flow rate of 0.1 kg / s. Calculate the required pipe surface temperature and the amount of heat transferred to the water so that the liquid water can exit this pipe, whose surface is kept at a constant temperature, at a temperature of 60 C

The water enters a pipe with an inner diameter of 40 cm and a length of 15 m at a temperature of 20C with a flow rate of 0.1 kg / s. Calculate the required pipe surface temperature and the amount of heat transferred to the water so that the liquid water can exit this pipe, whose surface is kept at a constant temperature, at 60 C.

a tractor with a purchase priece of 75000 INR and has to be used for plowing with a 3 bottom MB plough with a purchase priece of 60000 INR with suitable asssumption calculate the total cost of operation per hour with straight line method of depriciation

a tractor with a purchase priece of 75000 INR and has to be used for plowing with a 3 bottom MB plough with a purchase priece of 60000 INR with suitable asssumption calculate the total cost of operation per hour with straight line method of depriciation solved example chegg

For a 4-cylinder NH3 compressor with 10 cm bore and 8 cm stroke running at 750 rpm, the condenser temperature is 40℃. For a clearance ratio of 4, find the volumetric efficiency, mass flow rate, and work requirement for evaporator temperatures of -10℃, 0℃ and 10℃ and show that power requirement has a maximum with respect to evaporator temperature.

Which of the following is not true for ideal otto cycle?

1 point

heat addition at constant pressure

heat addition at constant volume

isentropic exapnsion

isentropic compression

need to write energy equation, considering pump and you have to guess your volumetric flow rate by using chart (b) and equation found. Then you can find the pump power requirement by using efficiency of pump, stated in chart (b). 

Discuss which has a small moment of inertia relative to its center of mass between a metal disc and a metal ring. Support your answer with a relevant example.

A particle of mass m moving at 5.0m/s in the positive x direction makes a glancing elastic collision with a particle of mass 2m that is at rest before the collision. After the collision, m moves off at an angle of 450 to the x axis and 2m moves off 600 to the x axis. Calculate the speed of m after the collision.  

You decided to open your facility to produce VAP beds and now you are ready to bring in all equipment, labor force, machines, raw materials and so on to your factory. However, you have to determine the space requirements and all allowances for these production factors in order to design your layout efficiently. In deliverable 2, you had developed an operations chart by defining the operations with their associated times. As of today, the management revised all operations charts and defined your operations chart in the system, meaning there are processes, machines that are required for each process, prerequisites for each machine and number of people required. Now, it is time to use all the information you developed in order to solve the problems in the project in Deliverable 3.

1. Write your processes, their task times and their predecessors using prior information from Project Deliverable 2.