MCQOPTIONS
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MCQOPTIONS
This section includes 467 Mcqs, each offering curated multiple-choice questions to sharpen your Railways knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
The following line is used for visible outlines |
| A. | Continuous thick |
| B. | Continuous thin |
| C. | Chain thin line |
| D. | Short zigzag thin |
| Answer» B. Continuous thin | |
| 302. |
A circle will appear on an isometric drawing as a(n) |
| A. | ellipse |
| B. | cycloid |
| C. | circle |
| D. | parabola |
| Answer» B. cycloid | |
| 303. |
Which of the following position is not possible for a right solid? |
| A. | Axis perpendicular to HP and parallel to VP |
| B. | Axis parallel to VP and perpendicular to HP |
| C. | Axis parallel to both VP and HP |
| D. | Axis perpendicular to both VP and HP |
| Answer» E. | |
| 304. |
In an isometric sketch of a cube: |
| A. | the frontal face appears in its true shape |
| B. | the receding axes are at 45 degrees to the horizontal |
| C. | all faces are equally distorted |
| D. | only the depth distances must be reduced |
| Answer» D. only the depth distances must be reduced | |
| 305. |
A right regular hexagonal prism in resting on HP on its base, its top view is a |
| A. | Square |
| B. | Rectangle |
| C. | Hexagon |
| D. | Pentagon |
| Answer» D. Pentagon | |
| 306. |
Which line type is thick and black? |
| A. | Visible lines |
| B. | center lines |
| C. | construction lines |
| D. | all of the above |
| Answer» B. center lines | |
| 307. |
If a solid is cut by a cutting plane parallel to the base of the solid and top part is removed, the remaining part is called |
| A. | Frustum of a solid |
| B. | Truncated solid |
| C. | Oblique solid |
| D. | None of the above |
| Answer» B. Truncated solid | |
| 308. |
In first angle projection method, object is assumed to be placed in |
| A. | First quadrant |
| B. | Second quadrant |
| C. | Third Quadrant |
| D. | Fourth quadrant |
| Answer» B. Second quadrant | |
| 309. |
Which of the following position is not possible for a plane? |
| A. | Perpendicular to both HP and VP |
| B. | Parallel to both HP and VP |
| C. | Perpendicular to HP and parallel to VP |
| D. | Perpendicular to VP and parallel to HP |
| Answer» C. Perpendicular to HP and parallel to VP | |
| 310. |
Which type of line is particular to section drawings? |
| A. | break lines |
| B. | phantom lines |
| C. | extension lines |
| D. | cutting plane lines |
| Answer» E. | |
| 311. |
The front view of a rectangle, when its plane is parallel to HP and perpendicular to VP, is |
| A. | Rectangle |
| B. | Square |
| C. | Line |
| D. | Point |
| Answer» D. Point | |
| 312. |
What type of sketch uses a miter line? |
| A. | a two-view multiview |
| B. | an isometric pictorial |
| C. | a three-point perspective pictorial |
| D. | a three-view multiview |
| Answer» E. | |
| 313. |
The internal angle of regular hexagon is __ degree. |
| A. | 72 |
| B. | 108 |
| C. | 120 |
| D. | 150 |
| Answer» B. 108 | |
| 314. |
The following are the Polyhedron except |
| A. | Prism |
| B. | Pyramid |
| C. | Cube |
| D. | Cylinder |
| Answer» E. | |
| 315. |
Which of the following projection methods does not use projectors perpendicular to the projection plane? |
| A. | isometric |
| B. | orthographic |
| C. | oblique |
| D. | axonometric |
| Answer» D. axonometric | |
| 316. |
Which type of line is part of a dimension? |
| A. | break lines |
| B. | phantom lines |
| C. | extension lines |
| D. | cutting plane lines |
| Answer» D. cutting plane lines | |
| 317. |
The following is the method for development of a right regular prism. |
| A. | Parallel line method |
| B. | Radial line method |
| C. | Triangulation method |
| D. | Approximate method |
| Answer» B. Radial line method | |
| 318. |
Which type of line has precedence over all other types of lines? |
| A. | a hidden line |
| B. | a center line |
| C. | a visible line |
| D. | none of the above |
| Answer» D. none of the above | |
| 319. |
The side view of an object is drawn in |
| A. | Vertical plane |
| B. | Horizontal plane |
| C. | Profile plane |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 320. |
Which statement(s) is true about the precedence of lines? |
| A. | a hidden line has precedence over a center line |
| B. | a center line has precedence over a visible line |
| C. | a visible line has precedence over a miter line |
| D. | all of the above |
| Answer» B. a center line has precedence over a visible line | |
| 321. |
Which of the following represent reducing scale? |
| A. | 1 : 1 |
| B. | 1 : 2 |
| C. | 2 : 1 |
| D. | 10 : 1 |
| Answer» C. 2 : 1 | |
| 322. |
A line of 1 meter is shown by 1cm on a scale. Its Representative fraction (RF) is |
| A. | 1 |
| B. | 100 |
| C. | 1/100 |
| D. | 1/50 |
| Answer» D. 1/50 | |
| 323. |
The internal angle of regular pentagon is __ degree. |
| A. | 72 |
| B. | 108 |
| C. | 120 |
| D. | 150 |
| Answer» B. 108 | |
| 324. |
Which tool can be used to draw a 90 degree angle? |
| A. | 30/60 triangle |
| B. | protractor |
| C. | drafting machine |
| D. | all of these |
| Answer» E. | |
| 325. |
The Length: Width in case of an arrow head is |
| A. | 1 : 1 |
| B. | 2 : 1 |
| C. | 3 : 1 |
| D. | 4 : 1 |
| Answer» D. 4 : 1 | |
| 326. |
In an axonometric drawing, the projection rays are drawn ___ to each other and __ to the plane of projection. |
| A. | Parallel...oblique |
| B. | oblique...parallel |
| C. | parallel...perpendicular |
| D. | parallel .parallel |
| Answer» D. parallel .parallel | |
| 327. |
In aligned system of dimensioning, the dimensions may be read from |
| A. | Bottom or right hand edges |
| B. | Bottom or left hand edges |
| C. | Only from bottom |
| D. | Only from left side |
| Answer» B. Bottom or left hand edges | |
| 328. |
Which of the following is not a pictorial drawing? |
| A. | isometric |
| B. | multitier |
| C. | perspective |
| D. | axonometric |
| Answer» C. perspective | |
| 329. |
The following is not included in title block of drawing sheet. |
| A. | Sheet No |
| B. | Scale |
| C. | Method of Projection |
| D. | Size of sheet |
| Answer» E. | |
| 330. |
When the temperature of metallic conductor is increased, its resistance |
| A. | always decreases |
| B. | always increases |
| C. | may increase or decrease |
| D. | remains the same |
| Answer» C. may increase or decrease | |
| 331. |
The conductivity of a superconductor is |
| A. | infinite |
| B. | very large |
| C. | very small |
| D. | zero |
| Answer» B. very large | |
| 332. |
The electric field intensity E, current density J and specific resistance k are related to each other through the relation |
| A. | E=J/k |
| B. | E=J k |
| C. | E=k/J |
| D. | k=J E |
| Answer» C. E=k/J | |
| 333. |
The total capacitance of two capacitors\[{{C}_{1}}\]and \[{{C}_{2}}\]connected in series will be |
| A. | less than smallest capacitor |
| B. | more than the highest capacitance |
| C. | equal to the highest capacitance |
| D. | equal to \[{{C}_{1}}+{{C}_{2}}\] |
| Answer» B. more than the highest capacitance | |
| 334. |
A metal wire is subjected to a constant potential difference. When the temperature of the metal wire increases, the drift velocity of the electron in it |
| A. | increases, thermal velocity of the electron increases |
| B. | decreases, thermal velocity of the electron increases |
| C. | increases, thermal velocity of the electron decreases |
| D. | decreases, thermal velocity of the electron decreases |
| Answer» C. increases, thermal velocity of the electron decreases | |
| 335. |
The current density (number of free electrons per\[{{m}^{3}}\]) in metallic conductor is of the order of |
| A. | 1022 |
| B. | 1024 |
| C. | 1026 |
| D. | 1028 |
| Answer» E. | |
| 336. |
What is the suitable material for electric fuse? |
| A. | Cu |
| B. | Constantan |
| C. | Tin-lead alloy |
| D. | Nichrome |
| Answer» D. Nichrome | |
| 337. |
Power factor of direct current is |
| A. | Zero |
| B. | Lagging |
| C. | Unity |
| D. | Leading |
| Answer» D. Leading | |
| 338. |
Appliances based on heating effect of current work on |
| A. | only a. c. |
| B. | only d. c. |
| C. | both a. c. and d. c. |
| D. | None of these |
| Answer» D. None of these | |
| 339. |
The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then |
| A. | the resistance and the specific resistance, will both remain unchanged |
| B. | the resistance will be doubled and the specific resistance will be halved |
| C. | the resistance will be halved and the specific resistance will remain unchanged |
| D. | the resistance will be halved and the specific resistance will be doubled |
| Answer» D. the resistance will be halved and the specific resistance will be doubled | |
| 340. |
The element in an electric stove is made of |
| A. | copper |
| B. | nichrome |
| C. | platinum |
| D. | tungsten |
| Answer» C. platinum | |
| 341. |
The specific resistance of all metals is most affected by |
| A. | temperature |
| B. | pressure |
| C. | degree of illumination |
| D. | charge carriers |
| Answer» B. pressure | |
| 342. |
What is The Basic Three Electrical Quantities? |
| A. | Resistance, Capacitance, Inductance |
| B. | Power, Voltage, Conductance |
| C. | Voltage, Current, Resistance (Impedance) |
| D. | Current, Reluctance, Inductance |
| Answer» D. Current, Reluctance, Inductance | |
| 343. |
Which of the following is an active component? |
| A. | Inductor |
| B. | Capacitor |
| C. | Resistor |
| D. | Diode |
| Answer» E. | |
| 344. |
Check the correct relation |
| A. | Potential = Charge/Capacity |
| B. | Charge = Potential/Capacity |
| C. | Capacity = Potential \[\times \] Charge |
| D. | Potential = Capacity \[\times \] Charge |
| Answer» B. Charge = Potential/Capacity | |
| 345. |
In the equation AB = C, A is the current density, C is the electric field, Then B is |
| A. | resistivity |
| B. | conductivity |
| C. | potential difference |
| D. | resistance |
| Answer» B. conductivity | |
| 346. |
What is converted into heat when current is set-up through a conductor? |
| A. | Electric current |
| B. | Electric potential |
| C. | Electric energy |
| D. | None of these |
| Answer» D. None of these | |
| 347. |
For which of the following substances the temperature coefficient of resistivity is positive? |
| A. | Carbon |
| B. | Germanium |
| C. | Cadmium |
| D. | Aluminium |
| Answer» E. | |
| 348. |
Which of the following has negative temperature coefficient of resistance? |
| A. | Tungsten |
| B. | Carbon |
| C. | Mercury |
| D. | Dynamite |
| Answer» C. Mercury | |
| 349. |
The temperature coefficient of resistance of conductors is |
| A. | positive |
| B. | negative |
| C. | neutral |
| D. | None of these |
| Answer» B. negative | |
| 350. |
Which of the following is an ohmic conductor? |
| A. | Copper |
| B. | Silver |
| C. | Gold |
| D. | All of these |
| Answer» E. | |