Engineering
Engineering, 21.03.2021 03:40, aileenf598

Exam Lesson Name: The Trades of Plumbing and Pipefitting Exam number: 286115RR
Exam Guidelines
Exam Instructions
Question 7 of 20
Select the best answer for the question
7. Which one of the following was once considered state-of-the art and is still used for control systems and instrumentation in buildings?
A. Steam
B. Brine
C. Compressed air
D. Deionized water

answer
Answers: 2

Other questions on the subject: Engineering

image
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
image
Engineering, 04.07.2019 18:10, keigleyhannah30
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
image
Engineering, 04.07.2019 18:10, qwertylol12345
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
image
Engineering, 04.07.2019 18:10, soreese02
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Do you know the correct answer?
Exam Lesson Name: The Trades of Plumbing and Pipefitting Exam number: 286115RR
Exam Guideline...

Questions in other subjects: