He is considered one of the founders of the science of thermodynamics and introduced the concept of reversible cycle in1824.

Rodulf Julius Emmanuel Clausius

He introduced the concept and statement of First law of Thermodynamics in 1850.

Rodulf Julius Emmanuel Clausius

Fundamentals Of THERMODYNAMICS

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Excerpt from Orange book.

Questions and Answers

1.

A 150 lb_m astronaut took his bathroom scale (a spring scale) and a beam scale (compares masses) to the moon where the local gravity is a = 5.48 ft/s². Determine how much she or he will weigh on the beam scale?
- A.
  
  25.5 lbm
- B.
  
  150 lbm
- C.
  
  25.5 lbf
- D.
  
  150 lbf
Correct Answer
B. 150 lbm
2.

A 5 kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is 9.79 m/s². Determine the acceleration of the rock in m/s².
- A.
  
  15.0
- B.
  
  17.2
- C.
  
  20.2
- D.
  
  22.2
Correct Answer
C. 20.2
3.

Consider a system whose temperature is 18^oC. Express this temperature in ^oR.
- A.
  
  524.4
- B.
  
  291.2
- C.
  
  64.4
- D.
  
  18
Correct Answer
A. 524.4
4.

Calculate the force necesssary to accelerate a 20,000 lb_m rocket vertically upward at a rate of 100 ft/s².
- A.
  
  20,000 lbf
- B.
  
  62,162 lbf
- C.
  
  82,162 lbf
- D.
  
  82,200lbf
Correct Answer
B. 62,162 lbf
5.

The amount of energy in a physical system that cannot be used to do work.
- A.
  
  Enthalpy
- B.
  
  Entropy
- C.
  
  Pressure
- D.
  
  Time
Correct Answer
B. Entropy
6.

The ability of matter to store quantity of heat.
- A.
  
  Thermal capacity
- B.
  
  Thermal energy
- C.
  
  Heat loss
- D.
  
  Heat gain
Correct Answer
A. Thermal capacity
7.

He is considered one of the founders of the science of thermodynamics and introduced the concept of reversible cycle in1824.
- A.
  
  Nicolas James Carnot
- B.
  
  Rodulf Julius Emmanuel Clausius
- C.
  
  Enriv Yasilad
- D.
  
  Nicolas Sadi Carnot
Correct Answer
D. Nicolas Sadi Carnot
8.

He introduced the concept and statement of First law of Thermodynamics in 1850.
- A.
  
  Nicolas James Carnot
- B.
  
  Rodulf Julius Emmanuel Clausius
- C.
  
  Enriv Yasilad
- D.
  
  Nicolas Sadi Carnot
Correct Answer
B. Rodulf Julius Emmanuel Clausius
9.

A Carnot cycle acting as a heat engine, usually illustrated on a ..
- A.
  
  Pressure-enthalpy diagram
- B.
  
  Temperature-entropy diagram
- C.
  
  Pressure-volume diagram
- D.
  
  Enthalpy-entropy diagram
Correct Answer
B. Temperature-entropy diagram
10.

A refrigerator for food storage operates as a reversed Carnot heat engine cycle. The store is to be maintained at a temperature of –5^oC and the heat transfer from the store to the cycle is at the rate of 5 kW. If heat is transferred from the cycle to the atmosphere at a temperature of 25^oC, calculate the power required to drive the plant.
- A.
  
  1 kW
- B.
  
  0.94 kW
- C.
  
  0.65 kW
- D.
  
  0.56 kW
Correct Answer
D. 0.56 kW

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Fundamentals Of Thermodynamics

A 150 lbm astronaut took his bathroom scale (a spring scale) and a beam scale (compares masses) to the moon where the local gravity is a = 5.48 ft/s2. Determine how much she or he will weigh on the beam scale?

A 5 kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is 9.79 m/s2. Determine the acceleration of the rock in m/s2.

Consider a system whose temperature is 18oC. Express this temperature in oR.

Calculate the force necesssary to accelerate a 20,000 lbm rocket vertically upward at a rate of 100 ft/s2.

The amount of energy in a physical system that cannot be used to do work.

The ability of matter to store quantity of heat.

He is considered one of the founders of the science of thermodynamics and introduced the concept of reversible cycle in1824.

He introduced the concept and statement of First law of Thermodynamics in 1850.

A Carnot cycle acting as a heat engine, usually illustrated on a ..

A 150 lb_m astronaut took his bathroom scale (a spring scale) and a beam scale (compares masses) to the moon where the local gravity is a = 5.48 ft/s². Determine how much she or he will weigh on the beam scale?

A 5 kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is 9.79 m/s². Determine the acceleration of the rock in m/s².

Consider a system whose temperature is 18^oC. Express this temperature in ^oR.

Calculate the force necesssary to accelerate a 20,000 lb_m rocket vertically upward at a rate of 100 ft/s².