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Test: Basic Concept - 1


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10 Questions MCQ Test Thermodynamics | Test: Basic Concept - 1

Test: Basic Concept - 1 for Mechanical Engineering 2022 is part of Thermodynamics preparation. The Test: Basic Concept - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Basic Concept - 1 MCQs are made for Mechanical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Basic Concept - 1 below.
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Test: Basic Concept - 1 - Question 1

 The sequence of processes that eventually returns the working substance to its original state is known as

Detailed Solution for Test: Basic Concept - 1 - Question 1

Thermodynamic cycle can be defined as a series of state changes such that the final and initial state is identical.

Test: Basic Concept - 1 - Question 2

A system and its environment put together form universe called as

Detailed Solution for Test: Basic Concept - 1 - Question 2

An isolated system is one in which there is no interaction of system with the surrounding, for isolated system
δQ = 0 
δW= 0 
The first law gives
δQ = dU + δW
dU = 0
U = constant
The energy of isolated system is constant.

Test: Basic Concept - 1 - Question 3

Which one ofthe following is extensive property of a thermodynamics system

Detailed Solution for Test: Basic Concept - 1 - Question 3

The properties which are mass independent are intensive properties and those which are mass dependent are extensive properties.
Volume depends upon the amount of matter present in the system. Hence, it is an extensive property.

Test: Basic Concept - 1 - Question 4

Which of the following quantities is not the property of the system

Detailed Solution for Test: Basic Concept - 1 - Question 4

Since heat transfer is the path function hence it is not the property of the system.

Test: Basic Concept - 1 - Question 5

The fundamental unit of enthalpy is

Test: Basic Concept - 1 - Question 6

A closed thermodynamic system is one in which

Detailed Solution for Test: Basic Concept - 1 - Question 6

Open system: Both mass and energy transfer takes place
Closed system: No mass transfer, energy transfer may takes place
Isolated system: Neither energy nor mass transfer takes place.

Test: Basic Concept - 1 - Question 7

The value of an extensive property is extensively dependent on

Test: Basic Concept - 1 - Question 8

A diathermic wall is one which

Test: Basic Concept - 1 - Question 9

​Which of the following are intensive properties
1. Kinetic energy
2. Specific enthalpy
3. Pressure
4. Entropy
Codes:

Test: Basic Concept - 1 - Question 10

For a system to be in thermodynamic equilibrium the system and its surroundings are to be in

Detailed Solution for Test: Basic Concept - 1 - Question 10

A system said to be in thermodynamic equilibrium with surrounding if:

It is in thermal, chemical as well as mechanical equilibrium with the surrounding.

And when system is in thermodynamic equilibrium there won't be any spontaneous change.

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