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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.
| 701. |
Which of the following options contain only non-covalent interactions? |
| A. | Disulfide bond, Ionic bond |
| B. | Ionic bond, peptide bond |
| C. | Hydrogen bond, disulfide bond |
| D. | Hydrogen bond, Ionic bond |
| Answer» E. | |
| 702. |
Find the odd one out? |
| A. | Hydrogen bond |
| B. | Ionic bond |
| C. | Hydrophobic interactions |
| D. | Disulfide bond |
| Answer» E. | |
| 703. |
What is meant by pryolozation of high-molecular-weight petroleum fractions? |
| A. | Hydrogenation |
| B. | No hydrogenation |
| C. | Oxidation |
| D. | All of the mentioned |
| Answer» C. Oxidation | |
| 704. |
What is/are the use(s) of extra hydrogen? |
| A. | Hydrotreating |
| B. | As fuel |
| C. | For manufacturing |
| D. | All of the mentioned |
| Answer» E. | |
| 705. |
Hydrogenation of petroleum oils is/are classified in what? |
| A. | Destructive |
| B. | Non-destructive |
| C. | Both destructive and non-destructive |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 706. |
The operating hydrogenation processes is divided into 3 parts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 707. |
Which type of reaction is hydrogenation? |
| A. | Exothermic |
| B. | Endothermic |
| C. | Neutral |
| D. | None of the mentioned |
| Answer» B. Endothermic | |
| 708. |
The fuels can have a wide range of octane or cetane numbers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 709. |
What is the default time limit that is set automatically if no value is passed as the limit to the setTimeout() function? |
| A. | 100 milliseconds |
| B. | 1500 milliseconds |
| C. | 1000 milliseconds |
| D. | 2432 milliseconds |
| Answer» D. 2432 milliseconds | |
| 710. |
How many parameters does the flush() function accept? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» B. 1 | |
| 711. |
What is the maximum number of arguments does the find() function accept? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 712. |
What is the function of the readBytesUntil() function? |
| A. | Reads only integers from a stream |
| B. | Reads any characters from a stream |
| C. | Reads only special characters from a stream |
| D. | Tokenizes a string from a stream |
| Answer» C. Reads only special characters from a stream | |
| 713. |
What is the function in Arduino that is capable of reading Strings from a stream and store the acquired value into a String? |
| A. | Stream.readstring() |
| B. | Stream.stringread() |
| C. | Stream.readString() |
| D. | Stream.readfromstring() |
| Answer» D. Stream.readfromstring() | |
| 714. |
What is the purpose of the following code? |
| A. | Send a byte with value 40 through the Serial pins |
| B. | Send a signal to pin 40 on the Arduino board |
| C. | Send a hexadecimal number of 40 through the Serial pins |
| D. | Send a octal number of 40 through the Serial pinsView Answer |
| Answer» B. Send a signal to pin 40 on the Arduino board | |
| 715. |
Does the UART Architecture require an external clock? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 716. |
In Serial Communications, how many sections is a data packet divided into? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 717. |
What is the full form of UART? |
| A. | Universal Asynchronous Receiver/Transmitter |
| B. | Universal Anti-Rectifying Transmitter |
| C. | Universal Asynchronous Radio Transmitter |
| D. | Universal Asynchronous Rectifier Transistor |
| Answer» B. Universal Anti-Rectifying Transmitter | |
| 718. |
How many RX-TX pairs of pins are present in the Arduino Mega? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 719. |
Statement 1: Hurdle technology is a ‘multi-target preservation’.Statement 2: The main target of food preservation is to help the harmful microorganisms to achieve homeostasis. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» B. True, True | |
| 720. |
Statement 1: When several factors for food processing and preservation are applied to one food product, it is called Hurdle technology.Statement 2: Hurdle technology has arisen due to demand of costumers for healthier and more nutritious food items. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 721. |
Statement 1: Pulsed Electric field needs to followed by refrigeration storing to increase shelf life and prevent spoilage.Statement 2: Structural changes at cell membrane and inactivation of enzymes, is how high hydrostatic pressure works for the food industry. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 722. |
Statement 1: In Pulsed Electric field, food is kept between two electrodes and electricity is passed to deactivate microbes.Statement 2: Pulsed Electric field increases shelf life. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 723. |
Certain antioxidants (e.g. – Nisin) can be used with the organic acids to reduce certain micro flora. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 724. |
How is the creep strength of ceramics when compared to other materials? |
| A. | Zero |
| B. | Low |
| C. | High |
| D. | Excellent |
| Answer» E. | |
| 725. |
Which ceramic material does Si3Al3O3N5 denote? |
| A. | Silicon carbide |
| B. | Silicon nitride |
| C. | Sialon |
| D. | Silicon alumino nitrate |
| Answer» D. Silicon alumino nitrate | |
| 726. |
What is the coefficient of thermal expansion of silicon carbide? |
| A. | 9 * 10-6 |
| B. | 4.3 * 10-6 |
| C. | 3.2 * 10-6 |
| D. | 10.6 * 10-6 |
| Answer» C. 3.2 * 10-6 | |
| 727. |
A solid ram is used in direct extrusion. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 728. |
Which of the following metal is used in the wire drawing process in die making? |
| A. | Copper |
| B. | Iron |
| C. | Tungsten |
| D. | Magnesium |
| Answer» D. Magnesium | |
| 729. |
Extrusion process is not suitable for which of the following? |
| A. | Steel alloys |
| B. | Non-ferrous alloys |
| C. | Stainless steel |
| D. | Iron |
| Answer» E. | |
| 730. |
Schedule VII is the ________ |
| A. | Authorities |
| B. | Import prohibition |
| C. | Export |
| D. | Recyclable HW |
| Answer» B. Import prohibition | |
| 731. |
Schedule VI deals with ________ |
| A. | Import prohibition |
| B. | Export |
| C. | Recyclable HW |
| D. | Fuel recycle |
| Answer» B. Export | |
| 732. |
Part A of Schedule IV is for ________ |
| A. | Import |
| B. | Export |
| C. | Recyclable HW |
| D. | Fuel recycle |
| Answer» E. | |
| 733. |
Schedule IV deals with _________ |
| A. | Import |
| B. | Export |
| C. | Recyclable HW |
| D. | Analysis |
| Answer» D. Analysis | |
| 734. |
Part D of schedule III deals with characters of hazardous waste. |
| A. | True |
| B. | False |
| Answer» C. | |
| 735. |
Part A of schedule III deals with ________ |
| A. | Import and export |
| B. | Transportation |
| C. | Analysis |
| D. | Toxicity |
| Answer» B. Transportation | |
| 736. |
Class C5 of class C schedule II focus on _________ |
| A. | Poisons |
| B. | Flammability |
| C. | Toxicity |
| D. | Reactivity |
| Answer» B. Flammability | |
| 737. |
Class C4 of class C schedule II focus on _________ |
| A. | Corrosivity |
| B. | Flammability |
| C. | Toxicity |
| D. | Reactivity |
| Answer» D. Reactivity | |
| 738. |
Class C3 of class C schedule II focus on ________ |
| A. | Corrosivity |
| B. | Flammability |
| C. | Toxicity |
| D. | Reactivity |
| Answer» E. | |
| 739. |
The Bisection method has which of the following convergences? |
| A. | Linear |
| B. | Quadratic |
| C. | Cubic |
| D. | Quaternary |
| Answer» B. Quadratic | |
| 740. |
A function is defined as f(x) = x3 – x – 11 = 0. Between the interval [2,3] find the root of the function by Bisection Method upto 8 iteration? |
| A. | 1.7334 |
| B. | 1.7364 |
| C. | 1.7354 |
| D. | 1.7344 |
| Answer» E. | |
| 741. |
The algorithm provided to find the roots of the function using Bisection Method is given by ____________ |
| A. | Bolzano’s theorem |
| B. | Mean Value theorem |
| C. | Bisection theorem |
| D. | Secant theorem |
| Answer» B. Mean Value theorem | |
| 742. |
Find the approximated value of x till 6 iterations for x3-4x+9=0 using Bisection Method. Take a = -3 and b = -2. |
| A. | -2.703125 |
| B. | -1.903125 |
| C. | -3.903125 |
| D. | -0.703125 |
| Answer» B. -1.903125 | |
| 743. |
What is the percentage decrease in an interval containing root after iteration is applied by Bisection Method? |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» E. | |
| 744. |
If it is provided that f(3) = 4 is one of the initial points. What can be the choice of second point for solving by Bisection Method? |
| A. | -5 such that f(-5) = -26 |
| B. | 0 such that f(0) = 5 |
| C. | -3 such that f(-3) = -2 |
| D. | 13 such that f(13) = 2 |
| Answer» D. 13 such that f(13) = 2 | |
| 745. |
The function on which we use the bisection method is not necessary to be continuous on the interval we choose. |
| A. | True |
| B. | False |
| Answer» C. | |
| 746. |
If a function is defined at 2 points 3 and 7 as f(3)=8 and f(7)=12, it is sufficient to find the roots through Bisection Method. |
| A. | True |
| B. | False |
| Answer» C. | |
| 747. |
Find the root of xe-x -0.3 = 0 using Bisection Method in the interval [1,5]. |
| A. | 1.68 |
| B. | 1.86 |
| C. | 1.88 |
| D. | 1.66 |
| Answer» C. 1.88 | |
| 748. |
Using Bisection method find the root of 3x2 = 5x+2 in the interval [0,3]. |
| A. | 0.617 |
| B. | 0.527 |
| C. | 0.517 |
| D. | 0.717 |
| Answer» D. 0.717 | |
| 749. |
Which configuration of memory organisation replaces By 1 organisation? |
| A. | by 4 organisation |
| B. | by 8 organisation |
| C. | by 9 organisation |
| D. | by 16 organisation |
| Answer» B. by 8 organisation | |
| 750. |
Which of the memory organisation is widely used in parity bit? |
| A. | by 1 organisation |
| B. | by 4 organisation |
| C. | by 8 organisation |
| D. | by 9 organisation |
| Answer» B. by 4 organisation | |