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MMLU-Pro / 11894 / Find the throat area, exit area and the exit Mach number for a nozzle having an…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Find the throat area, exit area and the exit Mach number for a nozzle having an efficiency of 90%. The initial air pressure and temperature are 60 psia and 1500°R respectively. The air mass flow rate is 0.6 lb/sec and the exit pressure is 14.696 psia.

category

engineering

options

  1. Throat area: 0.0055 ft^2, Exit area: 0.0070 ft^2, Exit Mach number: 1.50
  2. Throat area: 0.0070 ft^2, Exit area: 0.0080 ft^2, Exit Mach number: 1.25
  3. Throat area: 0.0048 ft^2, Exit area: 0.0065 ft^2, Exit Mach number: 1.55
  4. Throat area: 0.0051 ft^2, Exit area: 0.0068 ft^2, Exit Mach number: 1.45
  5. Throat area: 0.0065 ft^2, Exit area: 0.0085 ft^2, Exit Mach number: 1.40
  6. Throat area: 0.0061 ft^2, Exit area: 0.0078 ft^2, Exit Mach number: 1.55
  7. Throat area: 0.0045 ft^2, Exit area: 0.0075 ft^2, Exit Mach number: 1.60
  8. Throat area: 0.0051 ft^2, Exit area: 0.0068 ft^2, Exit Mach number: 1.35
  9. Throat area: 0.0072 ft^2, Exit area: 0.0091 ft^2, Exit Mach number: 1.30
  10. Throat area: 0.0068 ft^2, Exit area: 0.0051 ft^2, Exit Mach number: 1.45

src

stemez-Thermodynamics

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Source and history

upstream_id / Original problem ID
11894
task_id
e88007af-441c-5da9-a1fe-239d17a67d01
task_key
default--test--11894
task_revision_id
1
config / split
default / test

Official source

initial import