MIT: AERODYNAMICS AND FLUID MECHANICS EXAM 2025 WITH
ACCURATE SOLUTIONS
1. What is the relationship between throat static pressure and inlet static
pressure in a converging duct?
Throat static pressure is higher than inlet static pressure.
Throat static pressure is lower than inlet static pressure.
Throat static pressure fluctuates with inlet static pressure.
Throat static pressure is equal to inlet static pressure.
2. In a nozzle designed for supersonic flow, if the throat mass flow rate is 10
kg/s, what could be the possible exit mass flow rate if the flow is choked?
10 kg/s
15 kg/s
20 kg/s
5 kg/s
3. What equation is used as a model for the Standard-Atmosphere?
Ideal Gas Law
Hydrostatic equation
Navier-Stokes equation
Bernoulli's Equation
4. A flow in which it is both an adiabatic process and reversible process.
Compressible Flow
Isentropic Flow
,Inviscid Flow
, Incompressible Flow
5. Before its launch from Earth, the Mars rover Curiosity had a mass of 899
kilograms and it weighed 1982 pounds. Now that it is on Mars, Curiousity's
mass
remains unchanged, but its weight is different.
is different and its weight is different.
is different, but its weight remains unchanged.
remains unchanged and its weight remains unchanged.
6. For control volumes, the enthalpy term represents the combination of
what two energy terms?
internal energy and flow energy
internal energy and kinetic energy
sensible energy and latent energy
kinetic energy and potential energy
7. Approximately seventy-eight percent of the earth's atmosphere is
composed of ________ while approximately twenty-one percent is
composed of ____ _.
oxygen, carbon dioxide
argon, carbon dioxide
nitrogen, oxygen
oxygen, nitrogen
8. Which of the following is NOT a system of consistent units?
Metric
British Imperial
ACCURATE SOLUTIONS
1. What is the relationship between throat static pressure and inlet static
pressure in a converging duct?
Throat static pressure is higher than inlet static pressure.
Throat static pressure is lower than inlet static pressure.
Throat static pressure fluctuates with inlet static pressure.
Throat static pressure is equal to inlet static pressure.
2. In a nozzle designed for supersonic flow, if the throat mass flow rate is 10
kg/s, what could be the possible exit mass flow rate if the flow is choked?
10 kg/s
15 kg/s
20 kg/s
5 kg/s
3. What equation is used as a model for the Standard-Atmosphere?
Ideal Gas Law
Hydrostatic equation
Navier-Stokes equation
Bernoulli's Equation
4. A flow in which it is both an adiabatic process and reversible process.
Compressible Flow
Isentropic Flow
,Inviscid Flow
, Incompressible Flow
5. Before its launch from Earth, the Mars rover Curiosity had a mass of 899
kilograms and it weighed 1982 pounds. Now that it is on Mars, Curiousity's
mass
remains unchanged, but its weight is different.
is different and its weight is different.
is different, but its weight remains unchanged.
remains unchanged and its weight remains unchanged.
6. For control volumes, the enthalpy term represents the combination of
what two energy terms?
internal energy and flow energy
internal energy and kinetic energy
sensible energy and latent energy
kinetic energy and potential energy
7. Approximately seventy-eight percent of the earth's atmosphere is
composed of ________ while approximately twenty-one percent is
composed of ____ _.
oxygen, carbon dioxide
argon, carbon dioxide
nitrogen, oxygen
oxygen, nitrogen
8. Which of the following is NOT a system of consistent units?
Metric
British Imperial
