MCQOPTIONS
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MCQOPTIONS
This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The total surface area covered by all the molecules of the adsorbed gas is given by ____________ |
| A. | S = nβ/NA |
| B. | S = βNA/n |
| C. | S = nβNA |
| D. | S = NA/nβ |
| Answer» D. S = NA/nβ | |
| 2. |
The surface area occupied by a single gas molecule is inversely proportional to the ____________ |
| A. | Molar mass of the gas adsorbed |
| B. | Density of the liquefied gas |
| C. | Volume of the gas |
| D. | All of the mentioned |
| Answer» C. Volume of the gas | |
| 3. |
The B.E.T. theory is used in calculating the ____________ |
| A. | Surface area of adsorbate |
| B. | Surface area of adsorbent only |
| C. | Surface area of adsorbents and catalyst |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
According to B.E.T. equation, the plot of P/V(P0-P) versus P/P0 will yield a ____________ |
| A. | Straight line |
| B. | Parabola |
| C. | Hyperbola |
| D. | Eclipse |
| Answer» B. Parabola | |
| 5. |
In the B.E.T. equation, what does p0 denotes? |
| A. | Pressure of the gas molecules |
| B. | Unsaturated vapor pressure of the gas molecules |
| C. | Saturated vapor pressure of the gas molecules |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 6. |
The surface area available for the nth layer is equal to the coverage of ____________ |
| A. | (n-1)th layer |
| B. | (n+1)th layer |
| C. | nth layer |
| D. | none of the mentioned |
| Answer» B. (n+1)th layer | |
| 7. |
The energy of adsorption in the first layer is ____________ |
| A. | Increasing |
| B. | Decreasing |
| C. | Constant |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
The B.E.T. theory was based on the ____________ |
| A. | Single layer adsorption |
| B. | Multilayer adsorption |
| C. | Double layer adsorption |
| D. | None of the mentioned |
| Answer» C. Double layer adsorption | |
| 9. |
The B.E.T. theory was proposed in the year? |
| A. | 1940 |
| B. | 1935 |
| C. | 1938 |
| D. | 1945 |
| Answer» D. 1945 | |
| 10. |
THE_SEPERATION_BETWEEN_IMPLANT_IS_DETERMINED_FROM?$ |
| A. | width of transistor |
| B. | width of E-MESFET |
| C. | width of D-MESFET |
| D. | width of photoresist |
| Answer» E. | |
| 11. |
THE_SURFACE_AREA_OCCUPIED_BY_A_SINGLE_GAS_MOLECULE_IS_INVERSELY_PROPORTIONAL_TO_THE?$ |
| A. | Molar mass of the gas adsorbed |
| B. | Density of the liquefied gas |
| C. | Volume of the gas |
| D. | All of the mentioned |
| Answer» C. Volume of the gas | |
| 12. |
Saturated resistor is a |
| A. | FET with schottky gate |
| B. | FET without schottky gate |
| C. | MESFET with schottky gate |
| D. | MESFET without schottky gate |
| Answer» E. | |
| 13. |
MESFETs should be positioned$ |
| A. | horizontally |
| B. | vertically |
| C. | diagonally |
| D. | randomly |
| Answer» B. vertically | |
| 14. |
The_total_surface_area_covered_by_all_the_molecules_of_the_adsorbed_gas_is_given_by |
| A. | S = nβ/N<sub>A</sub> |
| B. | S = βN<sub>A</sub>/n |
| C. | S = nβN<sub>A</sub> |
| D. | S = N<sub>A</sub>/nβ |
| Answer» D. S = N<sub>A</sub>/n‚âà√≠‚Äö√¢¬ß | |
| 15. |
The mask is derived from structural operation of masks. |
| A. | true |
| B. | false |
| Answer» C. | |
| 16. |
MIM capacitor uses |
| A. | metal 1 |
| B. | metal 2 |
| C. | metal 1 and metal 2 |
| D. | schottky gate |
| Answer» D. schottky gate | |
| 17. |
Design rule is not influenced by maturity of property line? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 18. |
The B.E.T. theory is used in calculating th? |
| A. | Surface area of adsorbate |
| B. | Surface area of adsorbent only |
| C. | Surface area of adsorbents and catalyst |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 19. |
_______ gives the instruction for preparation of photomasks |
| A. | design layout |
| B. | design rules |
| C. | color codes |
| D. | layout map |
| Answer» C. color codes | |
| 20. |
According to B.E.T. equation, the plot of P/V(P0-P) versus P/P0 will yield a |
| A. | Straight line |
| B. | Parabola |
| C. | Hyperbola |
| D. | Eclipse |
| Answer» B. Parabola | |
| 21. |
Global control paths are run in |
| A. | metal 2 |
| B. | metal 1 |
| C. | transistor |
| D. | interconnects |
| Answer» B. metal 1 | |
| 22. |
In the B.E.T. equation, what does p0 denotes? |
| A. | Pressure of the gas molecules |
| B. | Unsaturated vapor pressure of the gas molecules |
| C. | Saturated vapor pressure of the gas molecules |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 23. |
In symbolic representation, ______ is used to represent E-MESFET |
| A. | red transistor |
| B. | green transistor |
| C. | yellow transistor |
| D. | blue transistor |
| Answer» C. yellow transistor | |
| 24. |
The surface area available for the nth layer is equal to the coverage of |
| A. | (n-1)th layer |
| B. | (n+1)th layer |
| C. | nth layer |
| D. | None of the mentioned |
| Answer» B. (n+1)th layer | |
| 25. |
For inverters color code used is |
| A. | red followed by green paths |
| B. | green followed by red paths |
| C. | green followed by yellow paths |
| D. | red followed by yellow paths |
| Answer» D. red followed by yellow paths | |
| 26. |
The energy of adsorption in the first layer is |
| A. | Increasing |
| B. | Decreasing |
| C. | Constant |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 27. |
In symbolic representation, rings are converted into |
| A. | color codes |
| B. | switches |
| C. | sticks |
| D. | circuit elements |
| Answer» E. | |
| 28. |
Which of the following is an assumption for B.E.T theory? |
| A. | The solid surface possess uniform, localised sites |
| B. | The adsorption at one site does not affect adsorption at neighbouring site |
| C. | Physical adsorption of adsorbate occurs resulting in the formation of multilayers |
| D. | All of the mentioned |
| Answer» E. | |
| 29. |
E-type and D-type is joined together using |
| A. | metal 1 |
| B. | metal 2 |
| C. | vias |
| D. | interconnectors |
| Answer» B. metal 2 | |
| 30. |
The B.E.T. theory was based on the |
| A. | Single layer adsorption |
| B. | Multilayer adsorption |
| C. | Double layer adsorption |
| D. | None of the mentioned |
| Answer» C. Double layer adsorption | |
| 31. |
The B.E.T. theory was proposed in the year |
| A. | 1940 |
| B. | 1935 |
| C. | 1938 |
| D. | 1945 |
| Answer» D. 1945 | |