Thermodynamics Reading Quizzes (#2)

Flashcard

Learn Mode

Match

Library

Create

Flashcards

Library

Match (Coming Soon)

Physics - Thermodynamics

user_jevbwl Created by 7 mon ago

Cards in this deck(42)

A potato is baked in an oven. Considering that any moisture loss from the potato is disregarded and the oven is well insulated, if 2 kJ of heat is transferred to the potato, what is the energy change of the potato?

Power is defined by _____ per unit _____.

Energy can exist in many forms. Which of the following is an energy form?

Match the heat transfer dimensions on the left with their corresponding units on the right.

Following the formal sign convention, please match the heat and work interactions with their appropriate signs: Positive for work done by the system and heat transfer into the system, Negative for heat transfer out of the system and work done to the system.

During a process, if the state of the system does not change, the system energy will _____.

Select all of the ways in which a process can be adiabatic.

In the absence of magnetic, electric, and surface tension effects, the total energy of a system consists of the _____, _____, and _____ energies.

Heat is a form of energy transfer by virtue of a _____ difference.

The phrase of global warming indicates that some form of net energy has been created. Is this statement true or false?

There are two requirements for a boundary work interaction between a system and its surroundings to exist. Select the two answers that are correct.

A linear spring with spring constant k=300 N/m is stretched until it is 100 mm longer. Find the required force and work.

Work is the energy transfer associated with _____ acting through a distance.

Efficiency can be expressed in terms of the desired _____ divided by the required _____.

Select all of the following that represents units for a rate of heat transfer.

If a closed system is adiabatic, the only possible energy transfer is...

10 kJ heat is transferred to control volume and 7 kJ work is done by the control volume. Some mass also enters or leaves the system. If the energy change of the system is zero, the energy of the mass entering or leaving the system is...

Which energy forms of the following is macroscopic?

The electrical power equals the square of the _____ multiplying the resistance.

We are told repeatedly that energy can neither be created nor destroyed; it can only change forms. This statement is also referred to as the...

An adiabatic process is one in which there is no...

Select all of the mechanisms of heat transfer from the list below.

When mass enters a system, the energy in the system...

Two aluminum spheres with the same mass are located at different elevations. The sphere located at a higher elevation will possess greater potential energy. Is this statement true or false?

The electrical power is defined by the product of the _____ difference and the _____.

The power transmitted by a shaft is proportional to the _____ and the _____ speed.

A power plant produced 36000 kJ of work in an hour. How much power did it produce?

For a cooking appliance, the overall energy supplied to the appliance is 5 kWh and only 4 kWh is transferred to the food. What is the appliance's efficiency?

Which of the following statements are true regarding the similarities between heat and work?

If it is not heat, the energy crossing the boundary of a closed system must be work. Is this statement true or false?

The internal energy that is required to undergo a phase transition and is associated with the binding forces between the molecules of a substance is called _____ energy.

A process requires heat addition at a constant rate of 100 kW for 60 seconds. In order to add an equivalent amount of heat in 20 seconds, what rate of heat transfer would be required?

Which of the following statements are true? Additional details: This answer expands on the key concept with supporting explanations and examples.

_____ is the transfer of energy between a solid surface and the adjacent fluid that is in motion.

8 kW of shaft work is done on a system while 3 kW of heat is lost from the system. What is the rate of energy change of the system?

Which following energy forms of system are microscopic?

Heat is added to a system to raise its temperature 10°C in 20 minutes. If the rate of heat transfer were cut in half, how long would the process have to run in order to transfer an equivalent amount of heat?

The torque applied to the shaft of a car is 180 Nm and the shaft rotates at rate of 300 rpm. What is the power transmitted through the shaft?

In 1997, the world's industrialized countries adopted the Kyoto protocol and committed to reduce by 2008 to 2012 their CO2 and other greenhouse gas emissions by 5% below the 1990 levels. Is this statement true or false?

Heat and work are point functions. Is this statement true or false?

The portion of the internal energy of a system associated with the kinetic energies of the molecules (molecular translation, rotation, and vibration, electron and nuclear spin, and electron translation) is called the _____ energy.

Which of the following energies are not microscopic?

Ask Our AI Tutor

Get Instant Help with Your Questions

Need help understanding a concept or solving a problem? Type your question below, and our AI tutor will provide a personalized answer in real-time!

How it works

Ask any academic question, and our AI tutor will respond instantly with explanations, solutions, or examples.

Get Started

Browse questions and discover topic-based flashcards
Practice with engaging flashcards designed for each subject
Strengthen memory with concise, effective learning tools

Discover By Topic

Thermodynamics Reading Quizzes (#2)

Related Decks