MCQOPTIONS
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MCQOPTIONS
This section includes 908 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon |
| A. | baffle spacing |
| B. | clearance |
| C. | pitch |
| D. | none of these |
| Answer» E. | |
| 902. |
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. |
| A. | 6 |
| B. | 12 |
| C. | 18 |
| D. | 34 |
| Answer» D. 34 | |
| 903. |
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs. |
| A. | conical |
| B. | flat |
| C. | floating |
| D. | fixed |
| Answer» D. fixed | |
| 904. |
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure ? |
| A. | At the inner surface. |
| B. | At the mid thickness of the cylindrical wall. |
| C. | At the outer surface. |
| D. | None of these. |
| Answer» B. At the mid thickness of the cylindrical wall. | |
| 905. |
The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. |
| A. | Flat plate |
| B. | Hemispherical |
| C. | Torispherical |
| D. | Ellipsoidal |
| Answer» E. | |
| 906. |
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. |
| A. | 16 |
| B. | 19 |
| C. | 28 |
| D. | 38 |
| Answer» C. 28 | |
| 907. |
The value of fouling factor depends upon the |
| A. | characteristic of process fluid. |
| B. | velocity of process fluid containing suspended solids. |
| C. | suspended solids in the fluid. |
| D. | all (a), (b) and (c). |
| Answer» E. | |
| 908. |
Fresh water carrying pipelines in chemical industries are coloured with __________ color. |
| A. | sea green |
| B. | brown |
| C. | yellow |
| D. | red |
| Answer» B. brown | |