ME 3113 Heat Trasnfer MCQ Reviewer
ME 3113 Heat Transfer MCQ Reviewer
Welcome to the ME 3113 Heat Transfer MCQ Reviewer quiz! This quiz is designed to test your knowledge and understanding of key concepts in heat transfer, covering a range of essential topics.
Whether you are preparing for exams or just want to review your heat transfer skills, this quiz offers:
- 30 multiple-choice questions
- Immediate feedback on your answers
- A fun way to learn and reinforce your understanding of heat transfer principles
A ratio between kinematic viscosity and thermal diffusivity.
Prandtl Number
Mach Number
Reynolds Number
Stanton Number
A flow line, which Reynolds Number is equal to 10000 is
Turbulent
Laminar
Stagnant
Critical
A gaseous stream flows in a diverging tube, what happen to the density if the velocity is constant?
Decrease
Remain constant
Increase
Zero
A flow line , which Reynolds Number equal to 1000 is
Laminar
Turbulent
Stagnant
Critical
A ratio between kinematic viscosity to absolute viscosity.
Density
Specific volume
Stanton Number
Conductivity
Approximately, what is the Prandtl Number for liquid metals?
0.01
10
1000
1.0
A gaseous stream flows in a converging tube, what happen to the velocity if the density is constant?
Increasing
Zero
Remain constant
Decreasing
Stanton Number is ______ to thermal convection coefficient.
Directly proportional
Independent
Dependent
Inversely proportional
A ratio between velocity of flow line to the local velocity of sound.
Mach number
Reynolds number
Stanton number
Prandtl number
For gasses that are exposed to a constant heat flux, the Stanton Number is ______.
Constant
Decreasing
Zero
Increasing
Oil flows in a converging tube, what happen to the Reynolds number?
Decrease
Zero
Remain constant
Increase
Which of the following dimensionless ratio has restrictions in predicting h for turbulent flow
Reynolds number
Mach number
Stanton number
Prandtl number
If the Nusselt Number increases, what happens to heat fluxes?
Increase
Remain constant
Decrease
Zero
Which of the following dimensionless ratio is useful in identifying the type of flow?
Prandtl Number
Reynolds number
Mach number
Stanton number
A flow line, in which Reynolds Number is equal to zero is _________.
Stagnant
Critical
Turbulent
Laminar
Which of the following dimensionless ratio has restrictions in predicting h for laminar flow?
Reynolds number
Prandtl Number
Mach number
Stanton number
Which specific heat of the gas is to be considered in the calculation of Prandtl?
Constant pressure
Difference of cv and cp
Average of cv and cp
Constant volume
What happen to the absolute viscosity of common liquids as the temperature increase?
Decrease
Upredictable
Remain constant
Increase
A ratio between inertia force and viscous force
Reynolds number
Prandtl number
Stanton number
Mach number
In a convection heat transfer, heat flux is ______ proportional to temperature
Directly
Independently
Inversely
All of the above
In a conduction heat transfer, heat flux is ________ proportional to temperature gradient.
Directy
Inversely
Independently
All of the above
For conductors that are arranged in series, which of the following doesn't vary?
Q
Thichness
T
RT
For conductors that are arranged in Parallel, which of the following doesn't vary?
Delta T
Area
Q
Rt
Which thermal conductivity describes a good material for insulation?
K = 0.15 W/m C
K = 0.69 W/m C
K = 1.83 W/m C
K = 11.1 W/m C
Heat flux in an electrical circuit is analogous to ______
Current
Voltage
Resistance
None of the above
Temperature difference in an electrical circuit is analogous to ______
Voltage
Current
Resistance
None of the above
A steady state heat transfer with internal energy conversion is described by_____.
Poisson equation
Fourier equation
Laplace equation
Reynolds Equation
Heat will flow from high temperature to low temperature unless it is aided by an external system.
Second Law of Thermodynamics
First Law of Thermodynamics
Fourier's Law of Heat Conduction
Newton's Law of Cooling
For conductor that are arranged in parallel, which conductor posses the greatest heat flux?
Maximum K
Minimum K
Maximum A
Minimum A
If the general conduction equation becomes 2T=0 heat transfer is in
Steady state w/o heat gen
Steady state
Steady state w heat gen
Transient stage
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