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Chemical Engineering Basics - Section 1 (6)

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Chemical Engineering Basics - Section 1

There are problems available on the basics of chemical
engineering and you can find these problems and MCQs in this section easily.

41. 

Auto collimator is used to check

A. flatness
B. angle
C. rotor balancing
D. roughness

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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42. 

Speisses is a mixture of the following:

A. Arsenides of heavy metals.
B. Antimonides of heavy metals.
C. Arsenides & antimonides of heavy metals.
D. Iron, cobalt and nickel.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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43. 

Chromium molybdenum steel can not be welded using __________ welding.

A. thermit
B. electrical resistance
C. oxy-acetylene
D. any of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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44. 

Fog is an example of colloidal system of

A. solid dispersed in gas.
B. solid dispersed in liquid.
C. liquid dispersed in gas.
D. gas dispersed in liquid.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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45. 

The following type of bonding is strongly directional in solids.

A. Vander Waal's
B. Ionic
C. Metallic
D. Covalant

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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46. 

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. nickel
B. vanadium
C. molybdenum
D. chromium

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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47. 

Friction factor for fluid flow in pipe does not depend upon the

A. pipe length.
B. pipe roughness.
C. fluid density & viscosity.
D. mass flow rate of fluid.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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48. 

Tin based white metals are used, where bearings are subjected to

A. high pressure & load.
B. low pressure & load.
C. high temperature.
D. large surface wear.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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