Engineering, 09.03.2021 01:00 jediDR
What is the independent variable in the following testable question? Does changing the height of a ramp affect how far a car will travel?
Question 1 options:
A the type of car
B height of the ramp
C how far the car will travel
D the type of material the ramp is made out of
Answers: 1
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Engineering, 04.07.2019 19:10
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
Answers: 2
Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
What is the independent variable in the following testable question? Does changing the height of a r...
Mathematics, 10.07.2019 20:00
Mathematics, 10.07.2019 20:00
Social Studies, 10.07.2019 20:00
Geography, 10.07.2019 20:00
Mathematics, 10.07.2019 20:00
English, 10.07.2019 20:00
Computers and Technology, 10.07.2019 20:00
Mathematics, 10.07.2019 20:00