# Engineering/Chemical Engineering Mcq Question Set 16 Sample Test,Sample questions

## Question: ` How are enthalpies of streams calculated?`

1. Relative to the reference state

2.Absolutely

3.Depends on the reaction

4.None of the mentioned

1. 0.2

2.0.4

3. 0.6

4.0.8

## Question: ` In the reaction C + 2H2 -> CH4, if the heat liberated is -5 J, what is the heat of formation of CH4?`

1.-5J

2.5 J

3.0 J

4.Cannot be determined

## Question: ` In the reaction C + O2 -> CO2, if the heat liberated is 10 J, what is the heat of formation of CO2?`

1.-10 J

2.10 J

3.0

4.Cannot be determined

1.10 J/mole

2.12 J/mole

3. 20 J/mole

4.28 J/mole

1.10 mole

2.15 mole

3. 20 mole

4.25 mole

1. 0

2.2.4 J

3.4.8 J

4.5.6 J

1. 5 J

2.8 J

3.10 J

4.12 J

## Question: `Enthalpy of a stream is which function of temperature and pressure?`

1.Explicit

2.Implicit

3.Cannot say

4.None of the mentioned

1.-1 J

2.1 J

3.3 J

4.6 J

1. -10 J

2.-7 J

3. -5 J

4. 0.4

1.-5 J

2.0

3.5 J

4.8 J

1.10 J

2.20 J

3.35 J

4.45 J

1. 9 J

2. 10 J

3.13 J

4.15 J

1. 0.2

2.0.4

3.0.6

4.0.8

1.0.35

2. 0.45

3.0.75

4.0.95

1.5

2.10

3.15

4. 20

1.-5 J

2. 5 J

3.-10 J

4.10 J

1.-25 J

2.25 J

3.-50 J

4.50 J

## Question: `In the reaction 2N -> N2, if the heat liberated is 6 J, what is the heat of formation of N2?`

1. – 6 J

2.6 J

3.0

4.Cannot be determined

1. 6 J/Kg

2.9 J/Kg

3.12 J/Kg

4.15 J/Kg

1. 0

2.1 J/Kg

3.5 J/Kg

4.25 J/Kg

1. 0

2.50 J/Kg

3.100 J/Kg

4.150 J/Kg

1.-5 J/Kg

2.5 J/Kg

3.-25 J/Kg

4.25 J/Kg

1.100 J/Kg

2.150 J/Kg

3.250 J/Kg

4.350 J/Kg

1.10 mole

2.20 mole

3.30 mole

4. 40 mole

1.10 J/mole

2. 12 J/mole

3.15 J/mole

4. 24 J/mole

1.10 mole

2.12 mole

3.15 mole

4. 18 mole

1.5 J/mole

2.10 J/mole

3.15 J/mole

4. 20 J/mole

1. 8 J/mole

2.12 J/mole

3.18 J/mole

4.25 J/mole

1.10 J/mole

2.15 J/mole

3.20 J/mole

4.25 J/mole

1.5 mole

2.10 mole

3.15 mole

4.20 mole

## Question: `What is the energy balance of a closed system?`

1.Matter in the system is constant

2.Matter in the system is constant

3.Neither energy nor matter is constant

4.Both of energy and matter are constant

1.10 J

2.25 J

3.50 J

4.100 J

1.9 J

2.14 J

3.22 J

4.27 J

1.12 J

2.24 J

3.36 J

4. 48 J

1.14 J

2.21 J

3.27 J

4.34 J

1.10 J

2.50 J

3. 110 J

4.150 J

1.0

2.5 J

3.10 J

4.15 J

1. 10 J

2.30 J

3.40 J

4.60 J

1.15 J

2.25 J

3.40 J

4. 50 J

1.25 J

2. 40 J

3. 50 J

4.65 J

1. 5 J

2.10 J

3.15 J

4. 20 J

1. 0

2.2 J

3.5 J

4.10 J

1.0

2. 2 J

3. 4 J

4. 6 J

1. 2 J

2.5 J

3.6 J

4.9 J

1.80 J

2.120 J

3. 160 J

4.200 J

1. 2 J

2.5 J

3.8 J

4.11 J

1.-4 J

2.-2 J

3.0

4. 4 J

1.10 J

2.20 J

3.30 J

4.35 J

1. -10 J

2. 10 J

3.-20 J

4.20 J

1. 5 J

2.10 J

3. 15 J

4. 20 J

## Question: `What is the heat transferred to the system, if a change in internal energy is 10 J?`

1. 0

2.-10 J

3.10 J

4.Cannot be determined

1.12 J

2.15 J

3.18 J

4.22 J

## More MCQS

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