Engineering, 09.11.2019 02:31 Siris420
Define a scheme function (assoc-all keys a-list) where keys is a list of symbols and a-list is an assoc-list. (an assoc-list is a list …) whose elements are two-element lists whose first element is a key and whose second element is the associated value.) assoc-all returns a list of the data associated with elements of keys by a-list. e. g. (assoc-all '(a d c d) '((a apple)(b boy)(c (cat returns (apple dog (cat cow) dog). use map. note that you can't simply use assoc as one of the arguments to map; you need to use a lambda expression
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Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
Answers: 3
Engineering, 04.07.2019 18:10
The flow rate of air through a through a pipe is 0.02 m5/s. a pitot static tube is placed in the flow. the radius of the pitot static tube is 1 mm. assuming the flow to be steady and the air to be at 300k, calculate the difference in total and static pressure if the diameter of the pipe is: (a) d 0.1 m d 0.05 m (c) d 0.01 m
Answers: 2
Define a scheme function (assoc-all keys a-list) where keys is a list of symbols and a-list is an as...
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