Chemical Engineering - Chemical Engineering Basics

1. 

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. neutral
B. ideal
C. buffer
D. zero pH

Answer: Option C

Explanation:

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2. 

Pick out the wrong statement.

A. Weldability of high carbon steel is poorer compared to low carbon steel.
B. Invar is a magnetic alloy.
C. Magnetic permeability of the diamagenetic material is less than one.
D. Martensitic transformation never goes to complection ( i.e., 100%) at room temperature.

Answer: Option B

Explanation:

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3. 

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

A. tension
B. shear
C. compression
D. bending & tension

Answer: Option A

Explanation:

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4. 

Which of the following is not categorised as the ore agglomeration process ?

A. Nodulising
B. Pelletising
C. Balling
D. Briquetting

Answer: Option C

Explanation:

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5. 

With increase in temperature, the surface tension of water

A. increases
B. decreases
C. remains constant
D. increases linearly

Answer: Option B

Explanation:

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