Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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41.
Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.

A. X-ray

B. Magnetic particle

C. Dye penetrant

D. Ultrasonic

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42.
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

A. Temperature - entropy

B. Temperature - pressure

C. Enthalpy - entropy

D. Enthalpy - pressure

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43.
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

A. Jet of water at high pressure

B. Blast of air

C. Mixture of water and air

D. Rain of molten lead

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44.
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

A. Saponification

B. Acid

C. Precipitation

D. Emulsion

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45.
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

A. Proportional

B. Integral

C. Derivative

D. None of these

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46.
Angular displacement can be measured suitably by a

A. Shaft encoder

B. Linear variable differential transducer (LVDT)

C. Stroboscope

D. Tachometer

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47.
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

A. Retained austenite

B. Martensite formation

C. Relatively high sulphur content in the base metal

D. Sufficient hydrogen present in the welding arc

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48.
Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

A. Small punches, broaches reamers and springs

B. Cutlery, screws, rivets and files

C. Mandrels, twist drills, small lathe tools and razors

D. Forgings like can shaft, structural steel plate, threading dies and drawing dies

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49.
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

A. 5CaO . 3Al₂O₃

B. 3CaO . Al₂O₃

C. 3CaO . SiO₂

D. 2CaO . SiO₂

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50.
Function of feed check valve in a boiler is to

A. Facilitate circulation of high pressure feed water

B. Check the water level in the boiler drum

C. Prevent the back flow of water

D. Regulate the water flow to boiler

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

41. Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.

Answer & Solution

42. For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Answer & Solution

43. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Answer & Solution

44. Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Answer & Solution

45. A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

Answer & Solution

46. Angular displacement can be measured suitably by a

Answer & Solution

47. Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

Answer & Solution

48. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

Answer & Solution

49. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

Answer & Solution

50. Function of feed check valve in a boiler is to

Answer & Solution

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41.
Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.

42.
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

43.
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

44.
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

45.
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

46.
Angular displacement can be measured suitably by a

47.
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

48.
Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

49.
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

50.
Function of feed check valve in a boiler is to