MCQOPTIONS
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MCQOPTIONS
This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
For simple radial equilibrium it is assumed that ______________ |
| A. | r*Vu = constant |
| B. | r/Vu = constant |
| C. | Vu/r = constant |
| D. | None of the mentioned |
| Answer» B. r/Vu = constant | |
| 152. |
For radial equilibrium axial flow is assumed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 153. |
What would be the length of array used as a parameter to the resolution function which resolves the value of a signal having 2 drivers? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | Infinite |
| Answer» C. 3 | |
| 154. |
How many parameters are there in a resolution function? |
| A. | 3 |
| B. | 2 |
| C. | 0 |
| D. | 1 |
| Answer» E. | |
| 155. |
A resolution function is invoked when ________ |
| A. | The signal is assigned multiple values |
| B. | All the drivers has changed their value for once at least |
| C. | Any of the driver changes its value |
| D. | The signal is assigned a second value |
| Answer» C. Any of the driver changes its value | |
| 156. |
It is not possible to use multiple driver signals without a resolution function. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 157. |
Which of the following type can’t be a parameter of a function? |
| A. | Signals |
| B. | Constants |
| C. | Files |
| D. | Variables |
| Answer» E. | |
| 158. |
What should be the mode of signal a in the following function definition? |
| A. | IN |
| B. | OUT |
| C. | INOUT |
| D. | BUFFERView Answer |
| Answer» B. OUT | |
| 159. |
Refer to the function defined below, a and b have respectively following data objects. |
| A. | Constant, Constant |
| B. | Constant, Signal |
| C. | Signal, Constant |
| D. | Signal, SignalView Answer |
| Answer» D. Signal, SignalView Answer | |
| 160. |
From the Timoshenko beam theory of natural vibrations, using cubic Hermite polynomials approximation, what is the 1st element of the mass matrix? |
| A. | \(\frac{\rho A}{3}\) |
| B. | \(\frac{\rho A}{6}\) |
| C. | 0 |
| D. | \(\frac{\rho I}{3}\) |
| Answer» B. \(\frac{\rho A}{6}\) | |
| 161. |
From the Euler-Bernoulli beam theory of natural vibrations, using cubic Hermite polynomials approximation, what is the 1st element of the stiffness matrix? |
| A. | \(\frac{12EI}{h^3}\) |
| B. | \(\frac{12EA}{h^3}\) |
| C. | \(\frac{12EA}{h}\) |
| D. | \(\frac{12AI}{h^3}\) |
| Answer» B. \(\frac{12EA}{h^3}\) | |
| 162. |
In matrix algebra, what is the value of a-b if the eigenvector of \(\begin{pmatrix}1&1&1 \\ 1&1&1 \\ 1&1&1 \end{pmatrix}\) corresponding to eigenvalue three is \(\begin{pmatrix}a \\ b \\ a \end{pmatrix}\)? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 163. |
In matrix algebra, a matrix K equals \(\begin{pmatrix} 1&0&0 \\ 0&1&0 \\ 0&0&3 \end{pmatrix}\). What is the value of a, if K7 = \(\begin{pmatrix} c&0&0\\ 0&b&0 \\ 0&0&a \end{pmatrix}\)? |
| A. | 2187 |
| B. | 729 |
| C. | 6561 |
| D. | 57 |
| Answer» B. 729 | |
| 164. |
The dynamic equation of motion of a structure contains M, C and K as mass, damping and stiffness matrices of the structure, respectively. If F is an external load vector, then which option is correct about the equation? |
| A. | M\(\ddot{x}\) + K\(\dot{x}\) + Cx = F |
| B. | M\(\ddot{x}\) is time-dependent |
| C. | All the forces are time-independent |
| D. | The equation is of 3rd order |
| Answer» C. All the forces are time-independent | |
| 165. |
In matrix algebra, which option is not correct about an eigenvalue problem of the type Ax = Lx? |
| A. | It has a discrete solution |
| B. | It has solution only if A non-singular |
| C. | x is called eigenvector |
| D. | L is called eigenvalue |
| Answer» C. x is called eigenvector | |
| 166. |
The unsteady natural axial oscillations of a bar are periodic, and they are determined by assuming a solution u(x, t) = U(x) e-iwt. Which option is not correct about the solution equation? |
| A. | w denotes the natural frequency |
| B. | w2 denotes eigenvalue |
| C. | U(x) denotes mode shape |
| D. | u(x, t) denotes transverse displacements |
| Answer» E. | |
| 167. |
The governing equation of an unsteady one-dimensional heat transfer problem is given below. It has a solution u(x,t) = U(x)exp(λt). What is λ appropriately called?\(\frac{-\partial}{\partial x} (a \frac{\partial u}{\partial x}) + b \frac{\partial u}{\partial t}\) + cu = 0 for 0 |
| A. | Natural frequency |
| B. | Eigenvalue |
| C. | Thermal diffusivity |
| D. | Thermal flux |
| Answer» C. Thermal diffusivity | |
| 168. |
In thermodynamics, the following equation represents a diffusion process. If k is thermal conductivity, p is density, and c is the specific heat at constant pressure, then what is α?\(\frac{\partial^2 T}{\partial x^2} = \frac{1}{\alpha} \frac{\partial T}{\partial t}\) |
| A. | \(\frac{k}{pc}\) |
| B. | \(\frac{pc}{k}\) |
| C. | \(\frac{c}{kp}\) |
| D. | \(\frac{c}{k}\) |
| Answer» B. \(\frac{pc}{k}\) | |
| 169. |
A plane wall was maintained initially at a temperature of 35°C. It is subjected to an ambient temperature of 45°C at one surface. If the heat transfer coefficient at the surfaces of the wall is assumed to be infinite, then what is the new temperature at the wall surface? |
| A. | 35°C |
| B. | 45°C |
| C. | 40°C |
| D. | 50°C |
| Answer» C. 40°C | |
| 170. |
A plane wall was maintained initially at a temperature of T units. It is subjected to an ambient temperature of T∞ units at one surface. If the heat transfer coefficient at the surfaces of the wall is assumed to be infinite, then what is the new temperature at the wall? |
| A. | T |
| B. | T∞ |
| C. | T∞-T |
| D. | T-T∞ |
| Answer» C. T∞-T | |
| 171. |
A plane wall of thermal conductivity of 45\(\frac{W}{mK}\) was initially maintained at a temperature of 35°C. It is subjected to an ambient temperature of 45°C at one surface. If the heat transfer coefficient at the surface of the wall is 9\(\frac{W}{m^2K}\), then what is the temperature gradient developed at the surface? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 172. |
Suppose the following eigenvalue equation represents a bar problem, then the value of the parameters a and c0 should be EA and ρA, respectively.\(-\frac{d}{dx}(a\frac{dU}{dx})\)=λc0 U |
| A. | True |
| B. | False |
| Answer» B. False | |
| 173. |
Which of the following is true about tubular section? |
| A. | tubes have low buckling strength |
| B. | tubes have same radius of gyration in all direction |
| C. | tubes do not have torsional resistance |
| D. | weight of tubular section is more than the weight required for open profile sections |
| Answer» C. tubes do not have torsional resistance | |
| 174. |
Rods and bars are recommended when length is ___________ |
| A. | greater than 4m |
| B. | greater than 5m |
| C. | greater than 3m |
| D. | less than 3m |
| Answer» E. | |
| 175. |
Which is an ideal section for compression member? |
| A. | one having different moment of inertia about any axis through its centre of gravity |
| B. | one having same moment of inertia about any axis through its centre of gravity |
| C. | one having larger length |
| D. | one made up of costly material |
| Answer» C. one having larger length | |
| 176. |
Which of the following is not a parameter for decrease in strength of slender member? |
| A. | seismic load |
| B. | initial lack of straightness |
| C. | residual stress |
| D. | variation of material properties |
| Answer» B. initial lack of straightness | |
| 177. |
For very short compression member |
| A. | failure stress will be greater than yield stress |
| B. | failure stress will be less than yield stress |
| C. | failure stress will equal yield stress |
| D. | failure stress will be twice the yield stress |
| Answer» D. failure stress will be twice the yield stress | |
| 178. |
Below is the circuit of a resonant-pulse commutation, the maximum voltage to which the capacitor C charges is |
| A. | Vs |
| B. | Vs/2 |
| C. | 2 |
| D. | √2Vs |
| Answer» B. Vs/2 | |
| 179. |
Class E commutation is a/an |
| A. | line commutation technique |
| B. | load commutation technique |
| C. | forced commutation technique |
| D. | external-pulse commutation technique |
| Answer» E. | |
| 180. |
For the circuit shown in the figure below,R1 = 50 Ω, R2 = 100 Ω, Vs = 100 V. At the time of turn-on of the SCR, initial thyristor current is |
| A. | 0 A |
| B. | 10 A |
| C. | 5 A |
| D. | 3.5 A |
| Answer» D. 3.5 A | |
| 181. |
For the circuit shown in the figure below, ___ type of commutation would take place for the SCR (THY1) |
| A. | line |
| B. | load |
| C. | forced |
| D. | external-pulse |
| Answer» D. external-pulse | |
| 182. |
For the circuit shown in the figure below,C = 4 pFL = 16 μHVs = 200 VThe peak thyristor current is |
| A. | 800 A |
| B. | 400 A |
| C. | 100 A |
| D. | 50 A |
| Answer» D. 50 A | |
| 183. |
For the circuit shown below,The maximum value of current through thyristors T1 & TA can be given by |
| A. | Vs/R, Vs√C/L |
| B. | Vs √C/L, Vs/R |
| C. | Vs/R + LC, Vs |
| D. | Vs/LC, Vs/R |
| Answer» B. Vs √C/L, Vs/R | |
| 184. |
For the circuit shown in the figure below,C = 4 pFL = 16 μHVs = 200VThe capacitor voltage after the SCR is self commutated is |
| A. | -100 V |
| B. | -200 V |
| C. | -400 V |
| D. | 0 V |
| Answer» C. -400 V | |
| 185. |
Which of the following groups can perform self splicing? |
| A. | mRNA, rRNA |
| B. | rRNA, mtRNA |
| C. | tRNA, mRNA |
| D. | rRNA, tRNA |
| Answer» C. tRNA, mRNA | |
| 186. |
The branch point site conserved sequence for group II intron is ___________ |
| A. | A |
| B. | T |
| C. | G |
| D. | C |
| Answer» D. C | |
| 187. |
The binding of U2 snRNP is aided by BBP and thus promotes 5’ site splicing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 188. |
Which one of these is a Sports car? |
| A. | BMW X6 |
| B. | Mercedes-Benz S-Class |
| C. | Audi A6 |
| D. | Porsche 911 |
| Answer» E. | |
| 189. |
BMW is a leading German engine and automobile manufacturing company. Here BMW is an abbreviation for |
| A. | British Motor Works |
| B. | Bayerische Motoren Werke |
| C. | Bayerische Machine Werke |
| D. | Bright Motor Works |
| Answer» C. Bayerische Machine Werke | |
| 190. |
Why is the term ‘Cabriolet’ used for a car? |
| A. | Because of non-foldable roof |
| B. | Because of foldable roof |
| C. | Because it is a coupe |
| D. | Because it has Higher ground clearance |
| Answer» C. Because it is a coupe | |
| 191. |
In Automobile, what does SUV stand for? |
| A. | Sport Utility Vehicle |
| B. | Sub-urban Utility Vehicles |
| C. | Short Urban Vehicles |
| D. | Super Utility Vehicles |
| Answer» B. Sub-urban Utility Vehicles | |
| 192. |
Two door and four door type automobiles are classified as _______ |
| A. | Sedan |
| B. | Convertible |
| C. | Special purpose vehicles |
| D. | Pick ups |
| Answer» B. Convertible | |
| 193. |
Hemophilia is due to absence of __________ |
| A. | factor VI |
| B. | factor VII |
| C. | factor VIII |
| D. | factor X |
| Answer» D. factor X | |
| 194. |
Hemoglobin is a ___________ |
| A. | respiratory pigment |
| B. | reproductive pigment |
| C. | fat |
| D. | carbohydrate |
| Answer» B. reproductive pigment | |
| 195. |
Irregular nuclei are seen in ______________ |
| A. | basophiles |
| B. | eosinphil |
| C. | monocytes |
| D. | neutrophil |
| Answer» E. | |
| 196. |
Largest sized RBC is seen in _______ |
| A. | elephant |
| B. | whale |
| C. | man |
| D. | amphiuma |
| Answer» E. | |
| 197. |
Which of the following component cause coagulation if introduced to the blood stream? |
| A. | Fibrinogen |
| B. | Prothrombin |
| C. | Heparin |
| D. | Thromboplastin |
| Answer» E. | |
| 198. |
Which of the following css propery define the properties that will be animated in an animation rule? |
| A. | @keyframes |
| B. | animation-origin |
| C. | transform |
| D. | animation |
| Answer» E. | |
| 199. |
Which of the following css propery defines a relationship between bound elements(s) and some code or content? |
| A. | @import |
| B. | @media |
| C. | url-bind |
| D. | binding |
| Answer» E. | |
| 200. |
What does this code do? |
| A. | If the browser window is smaller than 500px, the background color will change to lightblue: |
| B. | If the browser window is larger than 500px, the background color will change to lightblue: |
| C. | The background color will change to lightblue |
| D. | Nothing happensView Answer |
| Answer» B. If the browser window is larger than 500px, the background color will change to lightblue: | |