Engineering, 21.04.2020 19:15, keidaniela

Send to a File (+5 points)Add the ability to send a test and its answer key to files whose names are determined at run time. Test Bank (+10 points)Implement a TestBank class, which has:a collection of questionsthe ability to generate a Test with a given number of questions chosen randomly from the collection of questions. The ability to read a collection of questions from and write them to files. Reading questions from files is the most difficult part of the TestBank and it will be the source of most of the extra credit points.

Answers: 1

Show answers

Other questions on the subject: Engineering

Engineering, 03.07.2019 14:10, volleyballfun24

If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

Answers: 3

continue

Engineering, 04.07.2019 18:10, demarcuswiseman

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.

Answers: 3

continue

Engineering, 04.07.2019 18:20, xcapo1x

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.

Answers: 2

continue

Engineering, 04.07.2019 19:10, jimena15

10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.

Answers: 2

continue

Do you know the correct answer?

Send to a File (+5 points)Add the ability to send a test and its answer key to files whose names are...