Test: First Law Applied to Flow Process

# Test: First Law Applied to Flow Process

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## 10 Questions MCQ Test Thermodynamics | Test: First Law Applied to Flow Process

Test: First Law Applied to Flow Process for Mechanical Engineering 2023 is part of Thermodynamics preparation. The Test: First Law Applied to Flow Process questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: First Law Applied to Flow Process MCQs are made for Mechanical Engineering 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: First Law Applied to Flow Process below.
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Test: First Law Applied to Flow Process - Question 1

### Neglecting changes in potential and kinetic energies, the shaft work during a steady flow process is given by

Detailed Solution for Test: First Law Applied to Flow Process - Question 1

Work in steady flow process  =

Work in non-flow process =

Test: First Law Applied to Flow Process - Question 2

### Consider the following statements about steady flow process: 1. The rate of flow of mass energy across the control surface are constant. 2. Thermodynamic properties vary along space as well as time coordinates. 3. Any thermodynamic property will have a fixed value at a particular location and will not alter with time. Which of the above are correct?

Detailed Solution for Test: First Law Applied to Flow Process - Question 2

Thermodynamic properties may vary along space coordinates but do not vary with time.

Test: First Law Applied to Flow Process - Question 3

### Consider following comparative points of S.F.E.E with Bernoulli's equation: 1. These two have several terms in common. 2. Both Bernoulli’s equation and S.F.E.E is valid for viscous compressible fluids. 3. The Bernoulli’s equation is a special limiting case of S.F.E.E Which of the above is/are correct?

Detailed Solution for Test: First Law Applied to Flow Process - Question 3

Bernoulli’s equation valid for frictionless incompressible fluids. S.F.E.E. valid for viscous compressible fluids.

Test: First Law Applied to Flow Process - Question 4

Neglecting changes in kinetic and potential energies, the identity  for the shaft work during a steady flow process is valid for

Test: First Law Applied to Flow Process - Question 5

The term Δh in a control volume equation Q - W = Δh

Detailed Solution for Test: First Law Applied to Flow Process - Question 5

S.F.E.E:

Δh accounts for internal energy and pressure forces

Test: First Law Applied to Flow Process - Question 6

A key concept in analyzing the filling of an evacuated tank is

Test: First Law Applied to Flow Process - Question 7

Match List-I (Devices) with List-ll (Thermodynamics equations) and select the correct answer using the codes given below the lists:

Test: First Law Applied to Flow Process - Question 8

If steam is throttled its

Detailed Solution for Test: First Law Applied to Flow Process - Question 8

If steam is throttled , its enthalpy remains constant and pressure drop takes place

Test: First Law Applied to Flow Process - Question 9

Which one of the following expression is correct for reversible work done by the system (steady flow) between state 1 and 2 ?

Test: First Law Applied to Flow Process - Question 10

Compressed air coming out from a punctured football

## Thermodynamics

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## Thermodynamics

33 videos|54 docs|36 tests