Engineering, 21.01.2021 01:50 JackMonhen
2 stroke engines are less , than 4 stroke engines.
A) Efficient
B) Lethal
C) Thermal
Answers: 2
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Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
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Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
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2 stroke engines are less , than 4 stroke engines.
A) Efficient
B) Lethal
C) Thermal...
B) Lethal
C) Thermal...
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