Chemical Engineering - Chemical Engineering Basics

1. 

Earing is a defect found in steels after the following metal working operation (s).

A. Deep drawing
B. Rolling
C. Extrusion
D. Wire drawing

Answer: Option A

Explanation:

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2. 

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

A. 250
B. 500
C. 1000
D. 3000

Answer: Option B

Explanation:

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3. 

Hydrogen can be

A. used in I.C. engines as fuel.
B. liquefied & stored under cryogenic conditions.
C. produced by electrolysis of water.
D. all(a), (b) & (c).

Answer: Option D

Explanation:

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4. 

Internal energy of a gas obeying Vanderwall's equation of state, , depends upon its

A. pressure & temperature.
B. pressure & specific volume.
C. temperature & specific volume.
D. temperature only.

Answer: Option A

Explanation:

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5. 

__________ wire is never used for making the heating element.

A. Nichrome
B. Kanthal
C. Invar
D. None of these

Answer: Option C

Explanation:

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