Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 11
| 1. |
Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature. |
Answer: Option C
Explanation:
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| 2. |
In which of the following reactions, application of vacuum will help ? |
| A. |
Number of gas molecules in the product side is more than that on the reactant side. | | B. |
Number of gas molecules in the reactant side is more than that on the product side. | | C. |
Number of gas molecules are the same on both the reactant & the product side. | | D. |
None of the above. |
Answer: Option D
Explanation:
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| 3. |
Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method. |
| A. |
X-ray | | B. |
magnetic particle | | C. |
dye penetrant | | D. |
ultrasonic |
Answer: Option C
Explanation:
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| 4. |
Pick out the wrong statement. |
| A. |
The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S. | | B. |
For a helical spring, deflection is proportional to D3 (D = mean coil diameter) or d4 (d = wire diameter) | | C. |
Crushing load or columns is less than the buckling load. | | D. |
Modulus of resilience is proportional to ( stress at elastic limit)2 . |
Answer: Option C
Explanation:
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| 5. |
Which of the following exemplifies resemblence with the extrusion process ? |
| A. |
Pneumatic ejection of abrasive solid particles through a nozzle. | | B. |
Toothpaste pouring out of the tube. | | C. |
Ejection of abrasive slurry through an opening. | | D. |
Viscous lubricant pouring out through its container's mouth. |
Answer: Option B
Explanation:
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