Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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61.
Number of electrons in the outermost shell of a semi-conductor material is

A. 2

B. 4

C. 6

D. 8

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62.
Encyclopaedia of Chemical Technology has been

A. Authored by Kirk Othmer

B. Edited by Perry and Chilton

C. Edited by Kirk Othmer

D. Authored by Perry and Chilton

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63.
__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

A. Stellite

B. High speed steel

C. Cermet

D. Alnico

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64.
The hydraulic radius of a circular pipe of diameter 'd' flowing full is

A. $$\frac{{\text{d}}}{4}$$

B. $$\frac{{\text{d}}}{2}$$

C. $$\frac{{2{\text{d}}}}{3}$$

D. $$\frac{{\text{d}}}{3}$$

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65.
Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

A. Invar

B. Hastealloy

C. Duralumin

D. Monel metal

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66.
Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

A. Constantan

B. Invar

C. Pewter metal

D. Monel metal

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67.
Softening of hardned steel is done by its

A. Normalising

B. Tempering

C. Annealing

D. Carburising

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68.
The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. Decreases

B. Increases

C. Remains same

D. May increase or decrease ; depends on the altitude where snow melts

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69.
Dialysis is the process of separating substances in the

A. Colloidal state from those present in the true solutions

B. Colloidal state from those present in the suspensions

C. Suspension from those present in the solutions

D. None of these

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70.
The type of pump used for lifting large quantity of sewage is a __________ pump.

A. Gear

B. Centrifugal

C. Reciprocating

D. Plunger

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

61. Number of electrons in the outermost shell of a semi-conductor material is

Answer & Solution

62. Encyclopaedia of Chemical Technology has been

Answer & Solution

63. __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

Answer & Solution

64. The hydraulic radius of a circular pipe of diameter 'd' flowing full is

Answer & Solution

65. Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Answer & Solution

66. Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

Answer & Solution

67. Softening of hardned steel is done by its

Answer & Solution

68. The atmospheric temperature during melting of ice/snow (in the atmosphere)

Answer & Solution

69. Dialysis is the process of separating substances in the

Answer & Solution

70. The type of pump used for lifting large quantity of sewage is a __________ pump.

Answer & Solution

Read More Section(Chemical Engineering Basics)

61.
Number of electrons in the outermost shell of a semi-conductor material is

62.
Encyclopaedia of Chemical Technology has been

63.
__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.

64.
The hydraulic radius of a circular pipe of diameter 'd' flowing full is

65.
Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

66.
Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

67.
Softening of hardned steel is done by its

68.
The atmospheric temperature during melting of ice/snow (in the atmosphere)

69.
Dialysis is the process of separating substances in the

70.
The type of pump used for lifting large quantity of sewage is a __________ pump.