Chemical Engineering - Process Equipment and Plant Design

1. 

__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

A. Sieve plate
B. Packed
C. Bubble cap plate
D. None of these

Answer: Option B

Explanation:

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2. 

At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

A. higher
B. lower
C. same
D. unpredictable

Answer: Option B

Explanation:

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3. 

The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.

A. yield point
B. breaking
C. ultimate
D. none of these

Answer: Option C

Explanation:

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4. 

Baffle spacing is generally __________ the I.D. of the shell.

A. more than
B. not greater than
C. not less than one fifth of
D. both (b) and (c)

Answer: Option D

Explanation:

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5. 

The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

A. equal to
B. more than
C. less than
D. either (b) or (c); depends on maximum permissible internal pressure

Answer: Option B

Explanation:

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