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MCQOPTIONS
This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2551. |
Test for consistency and solve the system of equations if possible to get the value of z. |
| A. | Consistent, z = -1 |
| B. | Consistent, z = 0 |
| C. | Inconsistent |
| D. | Consistent, z = 5View Answer |
| Answer» D. Consistent, z = 5View Answer | |
| 2552. |
Test for consistency and solve to find the value of x. |
| A. | Consistent, x=1 |
| B. | Consistent, x=-1 |
| C. | Inconsistent system, solution does not exist |
| D. | Consistent, infinite number of solutions possibleView Answer |
| Answer» E. | |
| 2553. |
What controls the efficient functioning of an engine? |
| A. | Autopilot |
| B. | FMS |
| C. | FBW |
| D. | FADEC |
| Answer» E. | |
| 2554. |
The final approach path in a satellite landing guidance can be curved |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2555. |
What is HREF in the control law used for auto flare? |
| A. | Height when flare is initiated |
| B. | Height where flare should be initiated |
| C. | Maximum height where flare can be initiated |
| D. | Small negative height |
| Answer» E. | |
| 2556. |
Why is the kick off drift maneuver executed? |
| A. | To align with the runway |
| B. | To reduce airspeed and rate of descent |
| C. | To stabilize the aircraft during crosswinds |
| D. | To conserve fuel |
| Answer» B. To reduce airspeed and rate of descent | |
| 2557. |
What is the beam error in localizer for aircraft CG displacement of 5m at a range of 1,500m? |
| A. | 0.0033 RAD |
| B. | 3.3 RAD |
| C. | 0 RAD |
| D. | 5 RAD |
| Answer» B. 3.3 RAD | |
| 2558. |
Tapers and slope indicated in the view are part of dimensioning. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2559. |
Operations performed on a particular feature are indicated by using extension lines. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2560. |
While dimensioning a sphere, what should be added in front of the dimension figure? |
| A. | Sp |
| B. | Sq |
| C. | SPHERE |
| D. | φ |
| Answer» D. φ | |
| 2561. |
While dimensioning a feature with a square cross-section, what should be added before the dimension figure? |
| A. | SQUARE |
| B. | SQ |
| C. | Sq |
| D. | Nothing |
| Answer» C. Sq | |
| 2562. |
Which of the lines is a thin continuous line with the ends terminating in arrowheads and is enclosed by extension lines, outlines or centre lines? |
| A. | Dimension line |
| B. | Leader line |
| C. | Extension line |
| D. | Section line |
| Answer» B. Leader line | |
| 2563. |
__________ is a CPU emulator and virtual machine monitor. |
| A. | Imaging |
| B. | Parallels |
| C. | QEMU |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2564. |
________ offers various Linux distributions upon which you can build a virtual machine. |
| A. | Bagvapp |
| B. | Jcinacio |
| C. | HelpdeskLive |
| D. | All of the mentioned |
| Answer» C. HelpdeskLive | |
| 2565. |
Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ____ nodes. |
| A. | Ben |
| B. | Xen |
| C. | Ken |
| D. | Zen |
| Answer» C. Ken | |
| 2566. |
_________ allows different operating systems to run in their own memory space. |
| A. | VGM |
| B. | VMc |
| C. | VMM |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2567. |
Applications such as a Web server or database server that can run on a virtual machine image are referred to as ______________ |
| A. | virtual server |
| B. | virtual appliances |
| C. | machine imaging |
| D. | all of the mentioned |
| Answer» C. machine imaging | |
| 2568. |
Which of the following component is called hypervisor? |
| A. | VGM |
| B. | VMc |
| C. | VMM |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2569. |
Which of the following provider rely on the virtual machine technology to deliver servers? |
| A. | CaaS |
| B. | AaaS |
| C. | PaaS |
| D. | IaaS |
| Answer» E. | |
| 2570. |
While solving any partial differentiation equation using a variable separable method which is of order 1 or 2, we use the formula of fourier series to find the coefficients at last. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2571. |
When solving a 1-Dimensional heat equation using a variable separable method, we get the solution if ______________ |
| A. | k is positive |
| B. | k is negative |
| C. | k is 0 |
| D. | k can be anything |
| Answer» C. k is 0 | |
| 2572. |
When solving a 1-Dimensional wave equation using variable separable method, we get the solution if _____________ |
| A. | k is positive |
| B. | k is negative |
| C. | k is 0 |
| D. | k can be anything |
| Answer» C. k is 0 | |
| 2573. |
While solving a partial differential equation using a variable separable method, we equate the ratio to a constant which? |
| A. | can be positive or negative integer or zero |
| B. | can be positive or negative rational number or zero |
| C. | must be a positive integer |
| D. | must be a negative integer |
| Answer» C. must be a positive integer | |
| 2574. |
Solve the differential equation \(x^2 \frac{∂u}{∂x}+y^2 \frac{∂u}{∂y}=u \) using the method of separation of variables if \(u(0,y) = e^{\frac{2}{y}} \). |
| A. | \(e^{\frac{-3}{y}} e^{\frac{2}{x}} \) |
| B. | \(e^{\frac{3}{y}} e^{\frac{2}{x}} \) |
| C. | \(e^{\frac{-3}{x}} e^{\frac{2}{y}} \) |
| D. | \(e^{\frac{3}{x}} e^{\frac{2}{y}} \) |
| Answer» D. \(e^{\frac{3}{x}} e^{\frac{2}{y}} \) | |
| 2575. |
Solve the partial differential equation \(x^3 \frac{∂u}{∂x} +y^2 \frac{∂u}{∂y} = 0 \) using method of separation of variables if \(u(0,y) = 10 \, e^{\frac{5}{y}}.\) |
| A. | \(10e^{\frac{5}{2x^2}} e^{\frac{5}{y}} \) |
| B. | \(10e^{\frac{-5}{2y^2}} e^{\frac{5}{x}} \) |
| C. | \(10e^{\frac{-5}{2y^2}} e^{\frac{-5}{x}} \) |
| D. | \(10e^{\frac{-5}{2x^2}} e^{\frac{5}{y}} \) |
| Answer» E. | |
| 2576. |
Find the solution of \(\frac{∂u}{∂x}=36 \frac{∂u}{∂t}+10u \) if \( \frac{∂u}{∂x} (t=0)=3e^{-2x} \) using the method of separation of variables. |
| A. | \(\frac{-3}{2} e^{-2x} e^{-t/3}\) |
| B. | \(3e^x e^{-t/3} \) |
| C. | \(\frac{3}{2} e^{2x} e^{-t/3} \) |
| D. | \(3e^{-x} e^{-t/3} \) |
| Answer» B. \(3e^x e^{-t/3} \) | |
| 2577. |
Solve \(\frac{∂u}{∂x}=6 \frac{∂u}{∂t}+u\) using the method of separation of variables if u(x,0) = 10 e-x. |
| A. | 10 e-x e-t/3 |
| B. | 10 ex e-t/3 |
| C. | 10 ex/3 e-t |
| D. | 10 e-x/3 e-t |
| Answer» B. 10 ex e-t/3 | |
| 2578. |
Which type of quantization is most preferable for audio signals for a human ear? |
| A. | Uniform quantization |
| B. | Non uniform quantization |
| C. | Uniform & Non uniform quantization |
| D. | None of the mentioned |
| Answer» C. Uniform & Non uniform quantization | |
| 2579. |
The standard value of A in A-law is |
| A. | 87 |
| B. | 88 |
| C. | 86.7 |
| D. | 87.6 |
| Answer» E. | |
| 2580. |
What is the standard value of μ in μ-law ? |
| A. | 128 |
| B. | 255 |
| C. | 256 |
| D. | 0 |
| Answer» C. 256 | |
| 2581. |
Which value of μ corresponds to linear amplification? |
| A. | μ=0 |
| B. | μ=1 |
| C. | μ>0 |
| D. | μ<0 |
| Answer» B. μ=1 | |
| 2582. |
Non uniform quantization provides better quantization for |
| A. | Weak signals |
| B. | Coarse signals |
| C. | Weak & Coarse signals |
| D. | None of the mentioned |
| Answer» B. Coarse signals | |
| 2583. |
The size of the quantile interval is called as |
| A. | Inter level |
| B. | Step size |
| C. | Quantile size |
| D. | Level width |
| Answer» C. Quantile size | |
| 2584. |
Plasma etching provides poor thickness control. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2585. |
In plasma etch, the chemical etchant is introduced in the gas phase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2586. |
In dry etching ______________ are used for removing material. |
| A. | solvent etchants |
| B. | gaseous etchants |
| C. | carbide tools |
| D. | powder etchants |
| Answer» C. carbide tools | |
| 2587. |
Silicon dioxide etch rate at 90 °C using 30 % KOH is approximately ______________ |
| A. | 1 µm/hr |
| B. | 5 µm/hr |
| C. | 10 µm/hr |
| D. | 100 µm/hr |
| Answer» B. 5 µm/hr | |
| 2588. |
Etching process should be selective to the material that has to be removed. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2589. |
Roughness of the hydrophobic surfaces formed after dipping silicon in HF solution is dependent on the type of etchant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2590. |
Hydrogen-terminated silicon surfaces are ____________ |
| A. | hydrophobic |
| B. | hydrophilic |
| C. | hydropic |
| D. | deliquescent |
| Answer» B. hydrophilic | |
| 2591. |
Electronic grade silicon wafers are produced by Czochralski growth method. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2592. |
During salt stress condition in Arabidopsis, which of the following antiport proteins are used? |
| A. | AvPI and AtNHX |
| B. | AvPI and AtDBF |
| C. | AvPI and AvPII |
| D. | None of the mentioned |
| Answer» B. AvPI and AtDBF | |
| 2593. |
Halobacterium salinarium uses the following for the active transport of ions to induce purple colour. |
| A. | Light energy |
| B. | ATP |
| C. | Voltage |
| D. | Chemical energy |
| Answer» B. ATP | |
| 2594. |
Symport and Antiport is the classification of ____________ |
| A. | Primary active transport |
| B. | Secondary active transport |
| C. | Primary passive transport |
| D. | Secondary passive transport |
| Answer» C. Primary passive transport | |
| 2595. |
The ratio of Na+ and K+ transported by Na+/K+-ATPase pump is ___________ |
| A. | 1:1 |
| B. | 2:1 |
| C. | 2:3 |
| D. | 3:2 |
| Answer» E. | |
| 2596. |
GLUT1 is an example of ______________ |
| A. | Channel protein |
| B. | Facilitative transporter |
| C. | Active transporter |
| D. | Lipid-anchored protein |
| Answer» C. Active transporter | |
| 2597. |
Facilitative transporter ___________ |
| A. | Helps in facilitated diffusion |
| B. | Changes conformation |
| C. | Transports molecules passively |
| D. | Changes conformation, transports molecules and facilitated diffusion |
| Answer» E. | |
| 2598. |
The ion most abundant in cells and most permeable to cell membrane is ____________ |
| A. | K+ |
| B. | Ca2+ |
| C. | Na+ |
| D. | H+ |
| Answer» B. Ca2+ | |
| 2599. |
How many H+ ions are transported by the vacuole H+-ATPase pump and the vacuole H+-phosphatase pump per hydrolysis of ATP and pyrophosphate respectively? |
| A. | 1, 1 |
| B. | 1, 2 |
| C. | 2, 1 |
| D. | 2, 2 |
| Answer» D. 2, 2 | |
| 2600. |
Which of the following channels depend on forces such as stretch tension applied on the membrane? |
| A. | Voltage-gated channels |
| B. | Mechano-gated channels |
| C. | Ligand-gated channels |
| D. | Tension-gated channels |
| Answer» C. Ligand-gated channels | |