MCQOPTIONS
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MCQOPTIONS
This section includes 1608 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1601. |
Cocks are used to control |
| A. | water |
| B. | any liquid |
| C. | solids |
| D. | none of these |
| Answer» C. solids | |
| 1602. |
Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds |
| A. | 4000 |
| B. | 2100 |
| C. | 1500 |
| D. | 3000 |
| Answer» C. 1500 | |
| 1603. |
With increasing flow rate, the hydraulic efficiency of a centrifugal pump |
| A. | monotonically decreases. |
| B. | decreases and then increases. |
| C. | remains constant. |
| D. | increases and then decreases. |
| Answer» B. decreases and then increases. | |
| 1604. |
Curve III in the above diagram represents a/an |
| A. | dilatent fluid |
| B. | pseudo plastic fluid |
| C. | ideal plastic |
| D. | none of these |
| Answer» C. ideal plastic | |
| 1605. |
Two dimensional stream function |
| A. | relates velocity and pressure. |
| B. | is constant along a stream line. |
| C. | is constant along an equipotential surface. |
| D. | none of these. |
| Answer» C. is constant along an equipotential surface. | |
| 1606. |
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s). |
| A. | 24000 |
| B. | 24 |
| C. | 0.24 |
| D. | 0.44 |
| Answer» E. | |
| 1607. |
Glass pipes can be joined by |
| A. | flanges |
| B. | welding |
| C. | soldering |
| D. | bell and spigot joint |
| Answer» E. | |
| 1608. |
The fluid property, due to which, mercury does not wet the glass is |
| A. | surface tension |
| B. | viscosity |
| C. | cohesion |
| D. | adhesion |
| Answer» B. viscosity | |