Free NDDC Scholarship Aptitude Test Past Questions And Answers for CHEMICAL ENGINEERING

Free NDDC Scholarship Aptitude Test Past Questions And Answers for CHEMICAL ENGINEERING

Can you ace these NDDC Scholarship Chemical Engineering Aptitude Test questions? Start honing your skills with some past questions practice and get a preview of what you can expect on test day.

We pulled these Chemical Engineering questions from our study pack NDDC Scholarship aptitude-test past questions studypack. Each sample question includes correct answers, so you can see how to crack it!

Note about the test format: On the NDDC Scholarship aptitude test you’ll face 4 test sections: Mathematics, English language, General knowledge, and the Skill test section (Chemical Engineering based questions).

Sample NDDC Scholarship Chemical Engineering Aptitude Test Past Questions and answers

1. What is the energy balance of closed system?
A. Matter in the system is constant
B. Energy in the system is constant
C. Neither energy nor matter is constant
D. Both of energy and matter are constant

See the answer
The correct answer is A.

Explanation:
For closed system energy balance, matter in the system is constant.


2. Which of the following is the humidity chart?
A. Psychrometric chart
B. Psychometric chart
C. Psychological chart
D. None of the mentioned

See the answer
The correct answer is A.

Explanation:
Humidity chart is also called Psychrometric chart.


3. Humidity chart relates which of the following balances?
A. Momentum and energy balance
B. Material and energy balance
C. Material and momentum balance
D. None of the mentioned

See the answer
The correct answer is B.

Explanation:
Humidity chart relates material and energy balance.


4. What are the number of degrees of freedom if the number of variables and number of equations are 10 and 8 respectively?
A. 2
B. 8
C. 10
D. 18

See the answer
The correct answer is A.

Explanation:
Number of degrees of freedom = 10 – 8 = 2.


5. What are the number of degrees of freedom if the number of variables and number of equations are 15 and 10 respectively?
A. 5
B. 10
C. 15
D. 25

See the answer
The correct answer is A.

Explanation:
Number of degrees of freedom = 15 – 10 = 5.


Click here to get the complete NDDC Scholarship past questions pack for Chemical Engineering category

6. What are the number of degrees of freedom if the number of variables and number of equations are 15 and 5 respectively?
A. 5
B. 10
C. 15
D. 20

See the answer
The correct answer is B.

Explanation:
Number of degrees of freedom = 15 – 5 = 10.


7. The standard heat of reaction is heat of reaction for how many mole of compound?
A. 0
B. 1
C. 2
D. 3

See the answer
The correct answer is B.

Explanation:
The standard heat of reaction is heat of reaction for one mole of compound.


8. What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if heat of formation of CH4, O2, CO2 and H2O are 10 J, 5 J, 6 J, and 12 J respectively?
A. -10 J
B. 10 J
C. -20 J
D. 20 J

See the answer
The correct answer is B.

Explanation:
Heat of reaction = 2*12 + 6 – 2*5 – 10 = 10 J.


9. For exothermic reactions, what is the heat of reaction?
A. Positive
B. Negative
C. Zero
D. Cannot Say

See the answer
The correct answer is B.

Explanation:
In exothermic reactions, heat leaves the system, so the heat of reaction is negative.


10. For endothermic reactions, what is the heat of reaction?
A. Positive
B. Negative
C. Zero
D. Cannot Say

See the answer
The correct answer is A.

Explanation:
In endothermic reactions, heat comes into the system, so the heat of reaction is positive.



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