Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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51.
Wrought iron is not

A. Uctile & resistant to corrosion/rusting

B. Weldable easily

C. Having uniform strength in all directions

D. Having maximum tensile strength along the lines of slag distribution

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52.
Pick out the wrong statement.

A. Dry bulb temperature, wet bulb temperature & dew point are the same in case of saturated air

B. Dew point is reached by cooling the humid air at constant moisture content

C. Heating of humid air is done for its dehumidification

D. None of these

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53.
Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

A. Grey

B. Red

C. Orange

D. Violet

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54.
Out of the following, the materials having maximum magnetic permeability is

A. Silicon steel (Si = 4%)

B. Cast iron

C. Wrought iron

D. Mild steel

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55.
The phenomenon occurring during explosion of a hydrogen bomb is

A. Nuclear fission

B. Nuclear fusion

C. A combination of both nuclear fission & fusion

D. None of these

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56.
X-rays are

A. Positively charged

B. Negatively charged

C. Neutral

D. Of higher wavelength than visible light

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57.
Minimum thermal efficiency of a steam boiler may be around __________ percent

A. 25

B. 45

C. 65

D. 20

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58.
Optical activity is a/an __________ property.

A. Additive

B. Constitutive

C. Both A & B

D. Neither A nor B

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59.
The most important requirement for aluminium industry is the availability of cheap

A. Ore

B. Electrical power

C. Labour

D. Abundant water

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60.
Shampoos are commercially not available in the form of

A. Powder

B. Gaseous mixture

C. Solution

D. Emulsion

Answer & Solution Discuss in Board Save for Later

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

51. Wrought iron is not

Answer & Solution

52. Pick out the wrong statement.

Answer & Solution

53. Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

Answer & Solution

54. Out of the following, the materials having maximum magnetic permeability is

Answer & Solution

55. The phenomenon occurring during explosion of a hydrogen bomb is

Answer & Solution

56. X-rays are

Answer & Solution

57. Minimum thermal efficiency of a steam boiler may be around __________ percent

Answer & Solution

58. Optical activity is a/an __________ property.

Answer & Solution

59. The most important requirement for aluminium industry is the availability of cheap

Answer & Solution

60. Shampoos are commercially not available in the form of

Answer & Solution

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51.
Wrought iron is not

52.
Pick out the wrong statement.

53.
Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

54.
Out of the following, the materials having maximum magnetic permeability is

55.
The phenomenon occurring during explosion of a hydrogen bomb is

56.
X-rays are

57.
Minimum thermal efficiency of a steam boiler may be around __________ percent

58.
Optical activity is a/an __________ property.

59.
The most important requirement for aluminium industry is the availability of cheap

60.
Shampoos are commercially not available in the form of