# Energy Equation-3 Online Exam Quiz

Energy Equation-3 GK Quiz. Question and Answers related to Energy Equation-3. MCQ (Multiple Choice Questions with answers about Energy Equation-3

### 10kg of water in a piston-cylinder exists as saturated liquid/vapour at 100 kPa, with a quality of 50%. It is now heated till the volume triples. The mass of piston is such that a cylinder pressure of 200 kPa will float it. Find the heat transfer in the process.

**Options**

A : 23961 kJ

B : 24961 kJ

C : 25961 kJ

D : 26961 kJ

### A 250L rigid tank contains methane at 1500 kPa, 500 K. It is now cooled down to 300K. Find the heat transfer.

**Options**

A : ?402.4 kJ

B : ?502.4 kJ

C : ?602.4 kJ

D : ?702.4 kJ

### A piston cylinder contains 3kg of air at 20?C and 300 kPa. It is now heated up in a constant pressure process to 600 K. Find the heat transfer.

**Options**

A : 941 kJ

B : 951 kJ

C : 961 kJ

D : 971 kJ

### A rigid container has 2kg of carbon dioxide gas at 1200 K, 100 kPa that is heated to 1400 K. Find the heat transfer using heat capacity.

**Options**

A : 231.2 kJ

B : 241.2 kJ

C : 251.2 kJ

D : 261.2 kJ

### A steam turbine has an inlet of 2 kg/s water at 1000 kPa, 350?C and velocity of 15 m/s. The exit is at 100 kPa, x = 1 and very low velocity. Find the power produced.

**Options**

A : 664.6 kW

B : 764.6 kW

C : 864.6 kW

D : 964.6 kW

### A vertical cylinder fitted with a piston contains 5 kg of R-22 at 10?C. Heat is transferred causing the piston to rise until the volume has doubled. Additional heat is transferred until the temperature inside reaches 50?C, at which point the pressure inside the cylinder is 1.3 MPa. Find the work done.

**Options**

A : 34.1 kJ

B : 44.1 kJ

C : 54.1 kJ

D : 64.1 kJ

### Which of the following does not fit in the criteria of 'added value' in a typical strategic measurement system?

**Options**

A : Increase in revenue per employee

B : Increase in gross added value

C : Increase in net added value

D : % reduction of rejects and scraps

### Which of the following does not fit in the criteria of 'throughput time' in a typical strategic measurement system?

**Options**

A : Reduction in throughput time

B : Increase in manufacturing cycle effectiveness

C : Reduction in the number of breakdowns

D : Increase in revenue per employee

### Which of the following is not a measure of 'productivity' in a typical strategic measurement system?

**Options**

A : Increase in availability

B : Increase in revenue growth

C : Increase in sales and market growth

D : % reduction in personnel turnover

### Which of the following is not a measure of 'quality' in a typical strategic measurement system?

**Options**

A : % increase in quality grade

B : % reduction in failure rate

C : % reduction in the cost of poor quality

D : Increase in invoicing speed

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