MCQOPTIONS
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MCQOPTIONS
This section includes 341 Mcqs, each offering curated multiple-choice questions to sharpen your Dc Machines knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
While filling the tender for any work, the contractor considers |
| A. | site survey |
| B. | availability of construction materials |
| C. | availability of labour |
| D. | all the above. |
| Answer» E. | |
| 302. |
The Overall in-charge of an organisation at the site responsible for the execution of the works, is |
| A. | Executive Engineer |
| B. | Engineer |
| C. | Junior Engineer |
| D. | Sub overseer |
| Answer» C. Junior Engineer | |
| 303. |
A dummy activity |
| A. | is artificially introduced |
| B. | is represented by a dotted line |
| C. | does not consume time |
| D. | all the above. |
| Answer» E. | |
| 304. |
A goiden rule for the procurement of construction stones, suggests |
| A. | 100% at the site |
| B. | 67% at the site and 33% under procurement |
| C. | 50% at the site and 50% under procurement |
| D. | 33% at the site and 67% under procurement |
| Answer» C. 50% at the site and 50% under procurement | |
| 305. |
The salient feature of functional organisation is |
| A. | strict adherence to specifications |
| B. | separation of planning and design part |
| C. | each individual maintains functional efficiency |
| D. | all the above. |
| Answer» E. | |
| 306. |
In CPM analysis, |
| A. | emphasis is given to activities |
| B. | uncertainties are not allowed |
| C. | activities are represented by arrows |
| D. | all the above. |
| Answer» E. | |
| 307. |
The first stage of a construction, is |
| A. | preparation of estimate |
| B. | survey of the site |
| C. | initiation of proposal |
| D. | preparation of tender |
| Answer» D. preparation of tender | |
| 308. |
The critical activity has |
| A. | maximum float |
| B. | minimum float |
| C. | zero float |
| D. | none of these. |
| Answer» D. none of these. | |
| 309. |
Railway projects are treated as |
| A. | light construction |
| B. | heavy construction |
| C. | industrial construction |
| D. | none of these. |
| Answer» C. industrial construction | |
| 310. |
For the execution of a project, a contractor is |
| A. | a person |
| B. | a firm |
| C. | an agency |
| D. | all the above. |
| Answer» E. | |
| 311. |
The time which results in the leasi, possible construction cost of an activity, is known |
| A. | normal time |
| B. | slow time |
| C. | crash time |
| D. | standard time. |
| Answer» C. crash time | |
| 312. |
A construction schedule is prepared after collecting |
| A. | number of operations |
| B. | output of labour |
| C. | output of machinery |
| D. | all the above. |
| Answer» E. | |
| 313. |
Which one of the following represents an activity |
| A. | excavation for foundation |
| B. | curing of concrete |
| C. | setting of question paper |
| D. | all the above. |
| Answer» E. | |
| 314. |
Military organisation is known as |
| A. | line organisation |
| B. | line and staff organisation |
| C. | functional organisation |
| D. | none of these. |
| Answer» B. line and staff organisation | |
| 315. |
Various activities of a project, are shown on bar charts by |
| A. | vertical lines |
| B. | horizontal lines |
| C. | dots |
| D. | crosses. |
| Answer» C. dots | |
| 316. |
Time and progress chart of a construction, is also known as |
| A. | Bar chart |
| B. | Gantt chart |
| C. | Modified Mile stone chart |
| D. | All the above. |
| Answer» E. | |
| 317. |
A CPM family includes |
| A. | CPA (Critical Path Analysis) |
| B. | CPP (Critical Path Plotted) |
| C. | MCE (Minimum Cost Expenditure) |
| D. | All the above. |
| Answer» E. | |
| 318. |
An Executive Engineer may have powers upto |
| A. | Rs. 25,000 |
| B. | Rs. 50,000 |
| C. | Rs. 100,000 |
| D. | Rs. 200,000 |
| Answer» B. Rs. 50,000 | |
| 319. |
The estimated time required to perform an activity, is known as |
| A. | event |
| B. | dummy |
| C. | duration |
| D. | float. |
| Answer» D. float. | |
| 320. |
The main principle of an organisation, is |
| A. | unity of command |
| B. | cohegency |
| C. | effective control at all levels |
| D. | all the above. |
| Answer» E. | |
| 321. |
The first method invented for planning projects, was |
| A. | Bar chart method |
| B. | Milestone chart |
| C. | Critical path method (CPM) |
| D. | Programme Evaluation and Review Technique (PERT) |
| Answer» B. Milestone chart | |
| 322. |
Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is, |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 323. |
According to Rankine's formula, minimum depth of foundations, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 324. |
If (φ) is the angle of repose of soil of weight w kg/m³, the horizontal pressure p at a depth of h metres per metre length of wall, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 325. |
The pile which is provided with a bulb filled with concrete at its lower end, is known as |
| A. | Simplex pile |
| B. | Mac-Arthur pile |
| C. | Raymond pile |
| D. | Franki pile |
| Answer» C. Raymond pile | |
| 326. |
The entrained concrete is used in lining walls and roofs for making |
| A. | heat insulated |
| B. | sound insulated |
| C. | neither (a) nor (b) |
| D. | both (a) and (b). |
| Answer» E. | |
| 327. |
For the network shown in the given figure, the expected time for the activity |
| A. | 1-2 is 4 |
| B. | 2-3 is 7 |
| C. | 3-4 is 8 |
| D. | all the above |
| Answer» E. | |
| 328. |
The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the |
| A. | 19 |
| B. | 14 |
| C. | 24 |
| D. | None of these |
| Answer» B. 14 | |
| 329. |
Pick up the correct network for the activities of pouring concrete, erection of form work, removal of form work and curing of concrete from the following: |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 330. |
If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 331. |
In the given figure, the network of a project represents |
| A. | activity of an excavation of a footing |
| B. | activity of an excavation which starts at event No. 1 and ends at even No. 2 |
| C. | activity of excavation which takes 8 units of time |
| D. | none of these |
| Answer» D. none of these | |
| 332. |
IF_A_DC_MOTOR_IS_CONNECTED_TO_AC_SUPPLY_WHAT_WILL_HAPPEN_THEN??$ |
| A. | Not run |
| B. | Burn |
| C. | Run at normal speed |
| D. | Run at extremely low speed |
| Answer» C. Run at normal speed | |
| 333. |
The armature of DC motor is laminated to ____________$ |
| A. | To reduce mass |
| B. | To reduce hysteresis loss |
| C. | To reduce eddy current loss |
| D. | To reduce inductance |
| Answer» D. To reduce inductance | |
| 334. |
In normal dc machines operating at full-load conditions, the most powerful electromagnet is ________? |
| A. | Field winding |
| B. | Interpole Winding |
| C. | Interpole and compensating winding together |
| D. | Armature winding |
| Answer» B. Interpole Winding | |
| 335. |
In a DC machine fractional pitch winding is used to _______________ |
| A. | To improve cooling |
| B. | To reduce sparking |
| C. | To reduce copper losses |
| D. | To increase generated EMF |
| Answer» C. To reduce copper losses | |
| 336. |
Which of the following part is used in construction of DC machine but not in AC machine? |
| A. | Armature Winding |
| B. | Field winding |
| C. | Commutator |
| D. | Shaft |
| Answer» D. Shaft | |
| 337. |
In a DC machine, rectification process is carried out in order to get unidirectional output (DC). This rectification process is carried out by ______________ |
| A. | Half wave rectifier |
| B. | Full wave rectifier |
| C. | Mechanical rectification |
| D. | Centre tapped rectifier |
| Answer» D. Centre tapped rectifier | |
| 338. |
The angle (electrical) made by brushes with axes of adjoining filed poles is ______________ |
| A. | 450 |
| B. | 1800 |
| C. | 900 |
| D. | 300 |
| Answer» D. 300 | |
| 339. |
Function of yoke is to provide the return path for magnetic flux. |
| A. | True |
| B. | false |
| Answer» B. false | |
| 340. |
What are the materials used for brushes in dc machines? |
| A. | Iron |
| B. | Carbon |
| C. | Aluminum |
| D. | Steel |
| Answer» C. Aluminum | |
| 341. |
Where is field winding mounted in a DC machine? |
| A. | Stator |
| B. | Rotor |
| C. | Absent |
| D. | Anywhere on stator or rotor |
| Answer» B. Rotor | |