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MCQOPTIONS
This section includes 2374 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
Who proposed the use of recycling wort production method? |
| A. | Hermia |
| B. | Schaus |
| C. | Buhler |
| D. | Copper |
| Answer» C. Buhler | |
| 852. |
High-gravity beers have better ____________ |
| A. | Colloidal stability |
| B. | Liquid stability |
| C. | Suspension stability |
| D. | Solution stability |
| Answer» B. Liquid stability | |
| 853. |
Which of the following is not an advantage of high-gravity brewing? |
| A. | The capacity of fermentation is increased |
| B. | Low energy usage |
| C. | Less labour |
| D. | High precipitation of protein |
| Answer» E. | |
| 854. |
Where was high-gravity brewing introduced? |
| A. | India |
| B. | United States |
| C. | United Kingdom |
| D. | Germany |
| Answer» C. United Kingdom | |
| 855. |
Queries on ________ objects always calculate on a sphere. |
| A. | GeoBSON |
| B. | GeoJSON |
| C. | geoJSONB |
| D. | All of the mentioned |
| Answer» C. geoJSONB | |
| 856. |
Which of the following is used to calculate distances on a Euclidean plane? |
| A. | 2dsph |
| B. | 2d |
| C. | geoHaystack |
| D. | all of the mentioned |
| Answer» C. geoHaystack | |
| 857. |
Which of the following indexes cannot be multikey? |
| A. | Hashed |
| B. | Unique |
| C. | Multikey |
| D. | compound |
| Answer» B. Unique | |
| 858. |
Before version _______ capped collections did not have an _id field. |
| A. | 2.1 |
| B. | 2.4 |
| C. | 3.0 |
| D. | 2.2 |
| Answer» E. | |
| 859. |
Air density is a function of _________ |
| A. | Ambient temperature |
| B. | Humidity |
| C. | Pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 860. |
The air density is a function of ambient temperature. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 861. |
Anything that changes density __________ gas turbine performance. |
| A. | can not effect |
| B. | can effect |
| C. | depends |
| D. | none of the mentioned |
| Answer» C. depends | |
| 862. |
When initial pressure of the steam turbine is not upto the designed pressure then power produced will _________ |
| A. | Increase |
| B. | Decrease |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» C. Remains constant | |
| 863. |
At channel pinch off |
| A. | The width of the induced channel becomes non linear |
| B. | The width of the induced channel becomes very large (resulting in very large resistance and very low, practically zero, current) |
| C. | width becomes 1/e times the maximum possible width |
| D. | The width of the induced channel becomes zero and the current saturates |
| Answer» E. | |
| 864. |
The saturation current of the MOSFET is the value of the current when |
| A. | The voltage between the drain and drain becomes equal to the overdrive voltage |
| B. | The voltage between the drain and drain becomes equal to the threshold voltage |
| C. | The voltage between the drain and drain becomes equal to the voltage applied to the gate |
| D. | The voltage between the drain and drain becomes equal to difference the overdrive voltage and the threshold voltage |
| Answer» B. The voltage between the drain and drain becomes equal to the threshold voltage | |
| 865. |
When the voltage across the drain and the source (VDS) is increased from a small amount (assuming that the gate voltage, VG with respect to the source is higher than the threshold voltage, Vt), then the width of the induced channel in NMOS (assume that VDS is always small when compared to the Vov) |
| A. | Will remain as was before |
| B. | Will become non uniform and will take a tapered shape with deepest width at the drain |
| C. | Will become non uniform and will take a tapered shape with deepest width at the source |
| D. | Will remain uniform but the width of the channel will increase |
| Answer» D. Will remain uniform but the width of the channel will increase | |
| 866. |
With the potential difference between the source and the drain kept small (VDS is small), the MOSFET behaves as a resistance whose value varies __________ with the overdrive voltage |
| A. | Linearly |
| B. | Inversely |
| C. | Exponentially |
| D. | Logarithmically |
| Answer» C. Exponentially | |
| 867. |
The SI Units of the Process transconductance Parameter (k’) is |
| A. | V2/A |
| B. | A/V2 |
| C. | V/A |
| D. | A/V |
| Answer» C. V/A | |
| 868. |
For NMOS transistor which of the following is not true? |
| A. | The substrate is of p-type semiconductor |
| B. | Inversion layer or induced channel is of n type |
| C. | Threshold voltage is negative |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 869. |
These are open drains provided for conveying water from kitchens, bathroom and rain water to main sewers. |
| A. | Drains |
| B. | Sewers |
| C. | Soak pit |
| D. | Surface drains |
| Answer» E. | |
| 870. |
Design a low rate filter to treat 6.0 Mld of sewage of BOD of 210 mg/l. The final effluent should be 30 mg/l and organic loading rate is 320 g/m3/d. Find Hydraulic loading rate? |
| A. | 326.18 g/d/m3 |
| B. | 926.18 g/d/m3 |
| C. | 126.18 g/d/m3 |
| D. | 526.18 g/d/m3 |
| Answer» B. 926.18 g/d/m3 | |
| 871. |
The most widely used expression for the growth rate of micro-organisms is given by Monod:Total rate of microbial growth, |
| A. | True |
| B. | False |
| Answer» B. False | |
| 872. |
Quantity = Per capita sewage contributed per day x Population. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 873. |
The distribution pipes are generally laid below the road pavements, and as such their layouts generally follow the layouts of roads. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 874. |
Rotary vane pumps are also utilized for vacuum pumps. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 875. |
The ________ pump utilizes a tube in the shape of a semi-circle with 2 or more pinching rollers on the outer edge of a wheel that rotates on the inside of the semi-circle. |
| A. | Gear |
| B. | Teeth |
| C. | Tubing |
| D. | Lobe |
| Answer» D. Lobe | |
| 876. |
________ pumps are useful for pumping viscous liquids or slurries, but highly viscous liquids would require relatively large, slow moving pumps to keep N.P.S.H.A greater than N.P.S.H.R. |
| A. | Gear |
| B. | Teeth |
| C. | Tubing |
| D. | Lobe |
| Answer» B. Teeth | |
| 877. |
Positive displacement pumps actually enclose the fluid to be moved through the system. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 878. |
How many add round key functions are present in the Whirlpool algorithm? |
| A. | 16 |
| B. | 18 |
| C. | 11 |
| D. | 10 |
| Answer» D. 10 | |
| 879. |
What is the size of the key in the algorithm? |
| A. | 256 bits |
| B. | 512 bits |
| C. | 128 bits |
| D. | 1024 bits |
| Answer» C. 128 bits | |
| 880. |
Each round uses a different key in the algorithm. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 881. |
There’s no known successful attacks made against Whirlpool. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 882. |
Mix Row functions operate on the 8 × 8 matrix (A) to form the new matrix. The operation can be considered to be B = AC. The matrix C is formed by |
| A. | to form the new matrix. The operation can be considered to be B = AC. The matrix C is formed bya) each successive even row having left shifts |
| B. | each successive row having a left shifts |
| C. | each successive odd row having right shifts |
| D. | each successive row having a right shifts |
| Answer» E. | |
| 883. |
The OC curve of the c-chart is a curve which plots β-risk against _______ |
| A. | Number of defectives per sample |
| B. | True mean number of defects |
| C. | Total number of defects |
| D. | Demerits per unit |
| Answer» C. Total number of defects | |
| 884. |
What is the value of Zi in the standardized control chart for u-chart with variable sample size? |
| A. | \(\frac{u_i+\bar{u}}{\sqrt{\frac{\bar{u}}{\bar{n}}}}\) |
| B. | \(\frac{u_i+\bar{u}}{\sqrt{\frac{\bar{u}}{n_i}}}\) |
| C. | \(\frac{u_i-\bar{u}}{\sqrt{\frac{\bar{u}}{n_i}}}\) |
| D. | \(\frac{u_i-\bar{u}}{\sqrt{\frac{\bar{u}}{\bar{n}}}}\) |
| Answer» D. \(\frac{u_i-\bar{u}}{\sqrt{\frac{\bar{u}}{\bar{n}}}}\) | |
| 885. |
Which of these is used in the standardized chart for u-chart with variable sample size? |
| A. | Zi |
| B. | Mi |
| C. | Ui |
| D. | Ai |
| Answer» B. Mi | |
| 886. |
What is the center line value for the average number of events control chart, when there is no standard given? |
| A. | t/n |
| B. | 2t/3n |
| C. | 2 t/n |
| D. | t/2n |
| Answer» B. 2t/3n | |
| 887. |
What is the value of center line of g-chart when there is no standard given? |
| A. | \(\bar{t}+3\sqrt{\bar{t}}\) |
| B. | \(\bar{t}\) |
| C. | \(\bar{t}-3\sqrt{\bar{t}}\) |
| D. | \(\bar{t}+0.5\sqrt{\bar{t}}\) |
| Answer» C. \(\bar{t}-3\sqrt{\bar{t}}\) | |
| 888. |
What is the value of the center line of g-chart?a) \(n(\frac{1+p}{p}+a)\) b) \(n(\frac{1-p}{p}+a)\) c) \(n(\frac{1+p}{p}-a)\) d) \(n(\frac{1-p}{p}- |
| A. | \(n(\frac{1+p}{p}+a)\) |
| B. | \(n(\frac{1-p}{p}+a)\) |
| C. | \(n(\frac{1+p}{p}-a)\) |
| D. | \(n(\frac{1-p}{p}-a)\) |
| Answer» C. \(n(\frac{1+p}{p}-a)\) | |
| 889. |
What is the value of the Upper control limit for the g-chart?a) \(n(\frac{1-p}{p}-a)+L\sqrt{n(1-p)}{p^2}\) b) \(n(\frac{1-p}{p}+a)+L\sqrt{n(1+p)}{p^2}\) c) \(n(\frac{1-p}{p}+a)+L\sqrt{n(1-p)}{p^2}\) d) \(n(\frac{1-p}{p}+ |
| A. | \(n(\frac{1-p}{p}-a)+L\sqrt{n(1-p)}{p^2}\) |
| B. | \(n(\frac{1-p}{p}+a)+L\sqrt{n(1+p)}{p^2}\) |
| C. | \(n(\frac{1-p}{p}+a)+L\sqrt{n(1-p)}{p^2}\) |
| D. | \(n(\frac{1-p}{p}+a)+L\sqrt{(1-p)}{p^2}\) |
| Answer» D. \(n(\frac{1-p}{p}+a)+L\sqrt{(1-p)}{p^2}\) | |
| 890. |
What will be the center line value for a Kaminski et al h-chart when standards are given? |
| A. | \(\frac{1-p}{p}-a\) |
| B. | \(\frac{1+p}{p}+a\) |
| C. | \(\frac{1+p}{p}-a\) |
| D. | \(\frac{1-p}{p}+a\) |
| Answer» E. | |
| 891. |
The control charts developed for the average number of events is generally called ______________ |
| A. | g-chart |
| B. | h-chart |
| C. | s-chart |
| D. | s-square-charts |
| Answer» C. s-chart | |
| 892. |
The control chart for total number of events is called ____________ |
| A. | g-charts |
| B. | R-charts |
| C. | h-charts |
| D. | c-charts |
| Answer» B. R-charts | |
| 893. |
The 3 – sigma upper limit for a control chart for average number of nonconformities per unit, is expressed by ___________ |
| A. | UCL=\(\bar{u} + 3\sqrt{\frac{\bar{u}}{n}}\) |
| B. | UCL=\(\bar{u} – 3\sqrt{\frac{\bar{u}}{n}}\) |
| C. | UCL=\(\bar{u} – 2\sqrt{\frac{\bar{u}}{n}}\) |
| D. | UCL=\(\bar{u} – \frac{3}{2} \sqrt{\frac{\bar{u}}{n}}\) |
| Answer» B. UCL=\(\bar{u} – 3\sqrt{\frac{\bar{u}}{n}}\) | |
| 894. |
Which compound imparts grey color, strength and hardness to the portland cement? |
| A. | Iron oxide |
| B. | Alumina |
| C. | Magnesium oxide |
| D. | Silica |
| Answer» B. Alumina | |
| 895. |
Which compound causes the cement efflorescent, if present in excess? |
| A. | Iron oxide |
| B. | Alkali oxide |
| C. | Sulphur trioxide |
| D. | Lime |
| Answer» C. Sulphur trioxide | |
| 896. |
The percentage composition of alumina in Portland cement is ___________ |
| A. | 60-69 |
| B. | 17-25 |
| C. | 3-8 |
| D. | 2-4 |
| Answer» D. 2-4 | |
| 897. |
All portland cements are hydraulic cement because they ___________ |
| A. | Set and harden in the absence of water |
| B. | Set and harden in the presence of water |
| C. | Do not harden after mixing water |
| D. | None of the mentioned option |
| Answer» C. Do not harden after mixing water | |
| 898. |
Who is recognized as the “Father of the modern Portland cement industry”? |
| A. | Emil Abderhalden |
| B. | Richard Abegg |
| C. | Peter Agre |
| D. | William Aspdin |
| Answer» E. | |
| 899. |
Portland cement is made by calcining at temperature equals to ___________ |
| A. | 30000C |
| B. | 15000C |
| C. | 18000C |
| D. | 20000C |
| Answer» C. 18000C | |
| 900. |
Blast furnace slag is the mixture of ___________ |
| A. | Slaked lime and calcium silicate |
| B. | Aluminium silicate and hydrated lime |
| C. | Calcium silicate and aluminium silicate |
| D. | Silica, alumina and calcium oxide |
| Answer» D. Silica, alumina and calcium oxide | |