Engineering, 26.10.2019 02:43 kparker7543
Which one of the following questions about population growth is the only true statement? a) the size of a population can never exceed the carrying capacity. b) if a population is at the carrying capacity of the environment, then the birth rate will more or less equal the death rate (i. e., zero population growth).c) a population that is growing according to the exponential growth model will always end up going to extinction (i. e., dying out).d) the carrying capacity of the environment is fixed and can never change. e) none of the statements are true, they are all false.
Answers: 3
Engineering, 04.07.2019 18:10
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
Answers: 3
Engineering, 04.07.2019 18:10
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
Answers: 3
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
Which one of the following questions about population growth is the only true statement? a) the size...
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