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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.
| 1851. |
Which of the following taper is used for ‘shanks of the twist drills’? |
| A. | Morse taper |
| B. | Brown taper |
| C. | Sharpe taper |
| D. | Jarno taper |
| Answer» B. Brown taper | |
| 1852. |
Which of the following option is correct for given statements about plug gauges for self-holding tapers?Statement 1: Plug is inserted with high pressure for checking taper.Statement 2: Morse taper is a type of self-holding taper. |
| A. | T, F |
| B. | F, F |
| C. | T, T |
| D. | F, T |
| Answer» E. | |
| 1853. |
What is the not true for plug and ring gauges for self-holding tapers? |
| A. | These tapers can be used for accurate alignment of tool |
| B. | Can be used for the purpose of transmitting the torques |
| C. | Use of these gauges helps in arriving at absolute deviation |
| D. | Tapers can be external or internal |
| Answer» D. Tapers can be external or internal | |
| 1854. |
x-ray brings the labeled data power of pandas to the physical sciences. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1855. |
The ________ project builds on top of pandas and matplotlib to provide easy plotting of data. |
| A. | yhat |
| B. | Seaborn |
| C. | Vincent |
| D. | None of the mentioned |
| Answer» C. Vincent | |
| 1856. |
Quandl API for Python wraps the ________ REST API to return Pandas DataFrames with time series indexes. |
| A. | Quandl |
| B. | PyDatastream |
| C. | PyData |
| D. | None of the mentioned |
| Answer» B. PyDatastream | |
| 1857. |
What happens if the inclination is more than 3-6 degrees in the fuller Huron conveyor? |
| A. | Difficulty in laying transportation lines |
| B. | Faster transportation |
| C. | Slows down the transportation |
| D. | Has no effect |
| Answer» B. Faster transportation | |
| 1858. |
Transportation through fluidization using more power than any other process, true or false? |
| A. | True |
| B. | False |
| Answer» C. | |
| 1859. |
In below fig, how is the mixing of powdered particles taking place? |
| A. | Water |
| B. | Air |
| C. | Steam |
| D. | None of the mentioned |
| Answer» C. Steam | |
| 1860. |
What is the application of the process mentioned in below fig? |
| A. | Transportation |
| B. | Mixing |
| C. | Reaction |
| D. | Segregation |
| Answer» B. Mixing | |
| 1861. |
What is the maximum range of inclination, in the Fuller Huron air slide conveyor? |
| A. | 1-3 degrees |
| B. | 3-6 degrees |
| C. | 6-9 degrees |
| D. | 9-12 degrees |
| Answer» C. 6-9 degrees | |
| 1862. |
Which of the following standard committee specifies Bluetooth and other Personal Area Networks (PAN)? |
| A. | IEEE 802.11b |
| B. | IEEE 802.15 |
| C. | IEEE 802.11g |
| D. | IEEE 802.16 |
| Answer» C. IEEE 802.11g | |
| 1863. |
What is the raw channel bit error rate of Bluetooth? |
| A. | 10-3 |
| B. | 10-10 |
| C. | 103 |
| D. | 10-1 |
| Answer» B. 10-10 | |
| 1864. |
Bluetooth standard is named after ___________ |
| A. | King Ronaldo Bluetooth |
| B. | Pope Vincent Bluetooth |
| C. | King Herald Bluetooth |
| D. | Pope Francis Bluetooth |
| Answer» D. Pope Francis Bluetooth | |
| 1865. |
Which of the following is not an open standard? |
| A. | Bluetooth |
| B. | WWW |
| C. | HTML |
| D. | VPN |
| Answer» E. | |
| 1866. |
If a character input is given to a command which only takes integers, it’ll always give an error. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1867. |
The uniform distribution can range from -infinity to 0 or 0 to Infinity but not from -infinity to infinity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1868. |
If y = cos-1x, then |
| A. | (yn+2)(0) = -n(2n-1) yn(0) |
| B. | (yn+2)(0) = n(2n-1) yn(0) |
| C. | (yn+2)(0) = n(n-2) yn(0) |
| D. | (yn+2)(0) = n(n-3) yn(0) |
| Answer» C. (yn+2)(0) = n(n-2) yn(0) | |
| 1869. |
If y = sin-1x, then |
| A. | (1-x2)yn+2 – xyn+1(2n-1) = nyn(2n-1) |
| B. | x2yn+2 – xyn+1(2n-1) = nyn(2n-1) |
| C. | (1-x2)yn+2 – 2nxyn+1 = nyn(2n-1) |
| D. | (1-x2)yn+2 – xyn+1(2n-1) +nyn(2n-1)=0 |
| Answer» B. x2yn+2 – xyn+1(2n-1) = nyn(2n-1) | |
| 1870. |
If y(x) = tan-1x then |
| A. | (yn+1)(0) = (n-1)(yn-1)0 |
| B. | (yn+1)(0) = n(n-1)(yn-1)0 |
| C. | (yn+1)(0) = -(n-1)(yn-1)0 |
| D. | (yn+1)(0) = -n(n-1)(yn-1)0 |
| Answer» E. | |
| 1871. |
Find nth derivative of xnSin(nx) |
| A. | \(n!Sin(nx) + n_{C_1} n_{P_{n-1}}x^{n-1}nCos(nx) – n_{C_2}n_{P_{n-2}}x^{n-2}n^2Sin(nx)\) \(-n_{C_3}n_{P_{n-3} }x^{n-3}n^3Sin(nx)+n_{C_3}n_{P_{n-4}}x^{n-4}n^4Cos(nx)+..+x^nn^nSin(nx+nπ/2)\) |
| B. | \(Sin(nx) + n_{C_1} n_{P_{n-1}}x^{n-1}nCos(nx) – n_{C_2}n_{P_{n-2}}x^{n-2}n^2Sin(nx)\) \(-n_{C_3}n_{P_{n-3}}x^{n-3}n^3Sin(nx)+n_{C_3}n_{P_{n-4}}x^{n-4}n^4Cos(nx)+..+n!x^nn^nSin(nx+nπ/2)\) |
| C. | \(nSin(nx) + n_{C_1} n_{P_{n-1}}x^{n-1}nCos(nx) – n_{C_2}n_{P_{n-2}}x^{n-2}n^2Sin(nx)\) \(-n_{C_3}n_{P_{n-3}}x^{n-3}n^3Sin(nx)+n_{C_3}n_{P_{n-4}}x^{n-4}n^4Cos(nx)+..+nx^nn^nSin(nx+nπ/2)\) |
| D. | \((n-1)!Sin(nx) + n_{C_1} n_{P_{n-1}}x^{n-1}nCos(nx) – n_{C_2}n_{P_{n-2}}x^{n-2}n^2Sin(nx)\) \(-n_{C_3}n_{P_{n-3}}x^{n-3}n^3Sin(nx)+n_{C_3}n_{P_{n-4}}x^{n-4}n^4Cos(nx)+..+x^nn^{n-1}Sin(nx+nπ/2)\) |
| Answer» B. \(Sin(nx) + n_{C_1} n_{P_{n-1}}x^{n-1}nCos(nx) – n_{C_2}n_{P_{n-2}}x^{n-2}n^2Sin(nx)\) \(-n_{C_3}n_{P_{n-3}}x^{n-3}n^3Sin(nx)+n_{C_3}n_{P_{n-4}}x^{n-4}n^4Cos(nx)+..+n!x^nn^nSin(nx+nπ/2)\) | |
| 1872. |
The nth derivative of x2y2 + (1-x2)y1 + xy = 0 is, |
| A. | x2yn+2 + yn(2n2-2n-2nx+x) – yn-1(2n2-3n)=0 |
| B. | x2yn+2 + yn+1(2nx-x2) + yn(2n2-2n-2nx+x) – yn-1(2n2-3n)=0 |
| C. | x2yn+2 + yn+1(2nx+1-x2) + yn(2n2-2n-2nx+x)-yn – 1(2n2-3n)=0 |
| D. | x2yn+2 + yn+1(2nx+1-x2) + xyn2n2-yn – 1(2n2-3n)=0 |
| Answer» D. x2yn+2 + yn+1(2nx+1-x2) + xyn2n2-yn – 1(2n2-3n)=0 | |
| 1873. |
Find nth derivative of x2y2 + xy1 + y = 0 |
| A. | x2yn+2 + (2n+1)xyn+1 + (n2+1)yn = 0 |
| B. | x2yn+2 + nxyn+1 + (n2+1)yn = 0 |
| C. | x2yn+2 + (2n+1)xyn+1 + n2yn = 0 |
| D. | x2yn+2 + 2nxyn+1 + n2yn = 0 |
| Answer» B. x2yn+2 + nxyn+1 + (n2+1)yn = 0 | |
| 1874. |
If nth derivative of xy3 + x2y2 + x3y0 = 0 then order of its nth differential equation is, |
| A. | n |
| B. | n+1 |
| C. | n+2 |
| D. | n+3 |
| Answer» E. | |
| 1875. |
Leibniz rule gives the |
| A. | Nth derivative of addition of two function |
| B. | Nth derivative of division of two functions |
| C. | Nth derivative of multiplication of two functions |
| D. | Nth derivative of subtraction of two function |
| Answer» D. Nth derivative of subtraction of two function | |
| 1876. |
Pjb8 is an example of __________ vector. |
| A. | Cosmid |
| B. | Phagemid |
| C. | Hybrid |
| D. | M13 bacteriophage |
| Answer» B. Phagemid | |
| 1877. |
Which type of vector is P1? |
| A. | Phage |
| B. | Plasmid |
| C. | Cosmid |
| D. | Phagemid |
| Answer» B. Plasmid | |
| 1878. |
What are PACs? |
| A. | Low capacity phage vector |
| B. | High capacity phage vector |
| C. | Plasmid vector |
| D. | Phagemid vector |
| Answer» C. Plasmid vector | |
| 1879. |
BAC vectors are based on _________ plasmid. |
| A. | R |
| B. | F |
| C. | Col |
| D. | Trp |
| Answer» C. Col | |
| 1880. |
Which of the following assertions is true in regard to a cosmid vector? |
| A. | No plaques are produced |
| B. | Lac-selection system is used |
| C. | It can carry small DNA fragments |
| D. | Origin of replication is taken from lambda |
| Answer» B. Lac-selection system is used | |
| 1881. |
For the single crystal X-ray diffraction studies what is the length of the diameter that a single crystal should have? |
| A. | 5mm |
| B. | 5m |
| C. | 100mm |
| D. | 0.05mm |
| Answer» E. | |
| 1882. |
High temperature X-ray diffraction is a valuable technique for obtaining ___________ |
| A. | Functional information on polymers |
| B. | Structural information on polymorphs |
| C. | Concentration of polymers |
| D. | Solubility of polymers |
| Answer» C. Concentration of polymers | |
| 1883. |
An X-ray powder diffraction pattern is a set of ______________ |
| A. | Circles |
| B. | Lines |
| C. | Parabola |
| D. | Ellipse |
| Answer» C. Parabola | |
| 1884. |
Main function of first stage of homogenization is? |
| A. | Fat globule reduction |
| B. | Separation of clusters of fat into individual fat molecules |
| C. | Oxidation |
| D. | Off flavor development |
| Answer» B. Separation of clusters of fat into individual fat molecules | |
| 1885. |
Homogenization in which the main body of skim milk is not homogenized, but only the cream together with a small proportion of skim milk is homogenized is called? |
| A. | Complete homogenization |
| B. | Partial homogenization |
| C. | Concentrate homogenization |
| D. | Pasteurized homogenization |
| Answer» C. Concentrate homogenization | |
| 1886. |
The milk after homogenization will not be suitable for the production of semi-hard or hard cheeses due to which of the following reasons? |
| A. | Too soft coagulum |
| B. | Too hard coagulum |
| C. | Off flavor |
| D. | Bitter taste |
| Answer» B. Too hard coagulum | |
| 1887. |
The bacterial counts of milk will _______ after homogenization. |
| A. | Increase |
| B. | Decrease |
| C. | Remain same |
| D. | First increase then decrease |
| Answer» B. Decrease | |
| 1888. |
Homogenization has which of the following effects on the physiology of nutrition of milk? |
| A. | Improved digestibility |
| B. | Reduced digestibility |
| C. | Cholesterol |
| D. | Sugar |
| Answer» B. Reduced digestibility | |
| 1889. |
Which of the following is the effect of homogenization on the appearance of milk? |
| A. | Dusty appearance |
| B. | Yellowish appearance |
| C. | Whitish appearance |
| D. | Blackish appearance |
| Answer» D. Blackish appearance | |
| 1890. |
Homogenization reduce the size of fat globules to which size? |
| A. | Less than 2µ |
| B. | Less than 3µ |
| C. | Less than 4µ |
| D. | Less than 5µ |
| Answer» B. Less than 3µ | |
| 1891. |
Time complexity of the binary search algorithm is constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1892. |
Which algorithm is better for sorting between bubble sort and quicksort? |
| A. | bubble sort |
| B. | quick sort |
| C. | both are equally good |
| D. | none of the mentioned |
| Answer» C. both are equally good | |
| 1893. |
The time complexity of the linear search is given by ___________ |
| A. | O(log2n) |
| B. | O(1) |
| C. | exponential |
| D. | none of the mentioned |
| Answer» E. | |
| 1894. |
The time complexity of binary search is given by ___________ |
| A. | constant |
| B. | quardratic |
| C. | exponential |
| D. | none of the mentioned |
| Answer» E. | |
| 1895. |
If for an algorithm time complexity is given by O((3⁄2)n) then complexity will be ___________ |
| A. | constant |
| B. | quardratic |
| C. | exponential |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 1896. |
If for an algorithm time complexity is given by O(n2) then complexity will ___________ |
| A. | constant |
| B. | quadratic |
| C. | exponential |
| D. | none of the mentioned |
| Answer» C. exponential | |
| 1897. |
If for an algorithm time complexity is given by O(n) then the complexity of it is ___________ |
| A. | constant |
| B. | linear |
| C. | exponential |
| D. | none of the mentioned |
| Answer» C. exponential | |
| 1898. |
If for an algorithm time complexity is given by O(log2n) then complexity will be ___________ |
| A. | constant |
| B. | polynomial |
| C. | exponential |
| D. | none of the mentioned |
| Answer» E. | |
| 1899. |
If for an algorithm time complexity is given by O(1) then the complexity of it is ____________ |
| A. | constant |
| B. | polynomial |
| C. | exponential |
| D. | none of the mentioned |
| Answer» B. polynomial | |
| 1900. |
Which is used to measure the Time complexity of an algorithm Big O notation? |
| A. | describes limiting behaviour of the function |
| B. | characterises a function based on growth of function |
| C. | upper bound on growth rate of the function |
| D. | all of the mentioned |
| Answer» E. | |