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MCQOPTIONS
This section includes 58536 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 4401. |
Whirling speed of a shaft coincides with the natural frequency of its |
| A. | Coupled bending torsional vibration |
| B. | Longitudinal vibration |
| C. | Transverse vibration |
| D. | Torsional vibration |
| Answer» C. Transverse vibration | |
| 4402. |
'whimsical or impromptu pictures'. It _______ in existence since |
| A. | had been |
| B. | has been |
| C. | was |
| D. | is |
| Answer» C. was | |
| 4403. |
While writing specifications, the following principles shall be adopted:a. Description of materialsb. Workmanship, tools, and plantsc. Protection of new workd. Clauses of the specificationse. Expression |
| A. | A, b and e |
| B. | A, b, c, d and e |
| C. | B and e |
| D. | A, d and e |
| Answer» C. B and e | |
| 4404. |
While writing equations in MS-Word, which of the following features is used to type very small letters/numbers below the line of text? |
| A. | Subscript |
| B. | Strikethrough |
| C. | Change case |
| D. | Superscript |
| Answer» B. Strikethrough | |
| 4405. |
While writing all the numbers from 700 to 1000, how many numbers occur in which the digit at hundred's place is greater than the digit at ten's place, and the digit at ten's place is greater than the digit at unit's place? |
| A. | 61 |
| B. | 64 |
| C. | 85 |
| D. | 91 |
| Answer» D. 91 | |
| 4406. |
While writing all the natural numbers from 1 to 100, how many times do we write 6 ? |
| A. | 20 |
| B. | 18 |
| C. | 21 |
| D. | 19 |
| Answer» B. 18 | |
| 4407. |
While working on a jig-saw puzzle, 5 years old Najma says to herself, “Where is the blue piece? No, not this one, darker one that would go here and make this shoe”.This kind of talk is referred to by Vygotsky as |
| A. | private speech |
| B. | talk aloud |
| C. | scaffolding |
| D. | egocentric speech |
| Answer» B. talk aloud | |
| 4408. |
While working in Microsoft Word 2019, which of the following shortcut may be used to align the text to centre ? |
| A. | Ctrl + C |
| B. | Ctrl + L |
| C. | Ctrl + T |
| D. | Ctrl + E |
| Answer» E. | |
| 4409. |
While working between temperatures 150 K and 300 K, the entropy change experienced by the Carnot engine during heat addition is 1 kJ/K, the work produced (kJ) by the engine is ________. |
| A. | 100 |
| B. | 150 |
| C. | 300 |
| D. | 600 |
| Answer» C. 300 | |
| 4410. |
While working 7 hours a day, A alone can cut 35 trees in 15 days. In how many days A can cut 10 trees working 5 hours a day? |
| A. | 40 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 4411. |
While working 5 hours a day, X alone can cut 15 trees in 9 days. In how many days X can cut 40 trees working 8 hours a day? |
| A. | 15 |
| B. | 18 |
| C. | 14 |
| D. | 17 |
| Answer» B. 18 | |
| 4412. |
While white washing, Ca(OH)2 reacts slowly with the _____ in the air to form a thin layer of CaCO3 on the walls. |
| A. | SO2 |
| B. | C02 |
| C. | CO |
| D. | 02 |
| Answer» C. CO | |
| 4413. |
While white washing, Ca(OH)2 reacts slowly with CO2 in air to form a thin layer of _____ on the walls. |
| A. | CaO |
| B. | CaSO4 |
| C. | CaCl2 |
| D. | CaCO3 |
| Answer» E. | |
| 4414. |
While watching three-dimensional pictures we need to wear |
| A. | Magnifying glass |
| B. | Convex glass |
| C. | Polaroid glass |
| D. | None of the above |
| Answer» D. None of the above | |
| 4415. |
While watching 3D movies at the theatre, we have to wear special glasses because? |
| A. | The glasses allow our left and right eyes to see different images |
| B. | 3-D movies use special colors which cannot be sensed by the human eye |
| C. | 3-D movies are brighter than ordinary movies and can hurt our eyes if seen directly |
| D. | The glasses allow both the eyes to see similar images |
| Answer» B. 3-D movies use special colors which cannot be sensed by the human eye | |
| 4416. |
While walking a distance of 24 km, a man noticed that after walking for 1 hour and 40 minutes, the distance walked by him was \(\frac 5 7\) of the remaining distance. His speed of walking is: |
| A. | 4 km/hr |
| B. | 5 km/hr |
| C. | 6 km/hr |
| D. | 8 km/hr |
| Answer» D. 8 km/hr | |
| 4417. |
While using stator resistance starter with 3 phase induction motor, the resistances of the starter are kept at: |
| A. | Minimum |
| B. | ¾ of maximum |
| C. | Half of maximum value |
| D. | Maximum |
| Answer» E. | |
| 4418. |
While using Clapeyron’s Theorem of Three Moments, a fixed end of a continuous beam is replaced by additional span of |
| A. | infinite stiffness |
| B. | zero stiffness |
| C. | infinite length |
| D. | infinite moment |
| Answer» B. zero stiffness | |
| 4419. |
While using a theodolite, how to change the reading on the horizontal circle while measuring an horizontal angle? |
| A. | upper clamp is loosened and lower clamp is tightened. |
| B. | both, upper and lower clamp are loosened. |
| C. | both, upper and lower clamp are tightened. |
| D. | upper clamp is tightened and lower clamp is loosened. |
| Answer» B. both, upper and lower clamp are loosened. | |
| 4420. |
While using a frequency counter for measuring frequency, two modes of measurement are possible. I) Period mode ii) Frequency mode. There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4 MHz the cross-over frequency is given by |
| A. | 8 MHz |
| B. | 2 MHz |
| C. | 2 kHz |
| D. | 1 kHz |
| Answer» D. 1 kHz | |
| 4421. |
While using a clip-on type current transformer, the primary is connected to ________ and the secondary is connected to ________. |
| A. | Voltmeter; ammeter |
| B. | Ammeter; feeder |
| C. | Ammeter; voltmeter |
| D. | Feeder; ammeter |
| Answer» E. | |
| 4422. |
While treatment of wastewater is done by aerobic process, it requires |
| A. | oxygen |
| B. | nitrogen |
| C. | hydrogen |
| D. | None of the above |
| Answer» B. nitrogen | |
| 4423. |
While trying to promote growth by tax cuts as the fiscal policy, which type of policy is the government trying to follow? |
| A. | Expansionary |
| B. | Contractionary |
| C. | Easy money |
| D. | Tight money |
| Answer» B. Contractionary | |
| 4424. |
While trying to collect (I) an envelope from under the table (II), Mr. X fell down and (III) was losing consciousness (IV)Which one of the above-underlined parts of the sentence is NOT appropriate? |
| A. | I |
| B. | II |
| C. | III |
| D. | IV |
| Answer» E. | |
| 4425. |
While traveling by bus, a man spent Rs. 60 more than 10 times the fare he paid for an auto rickshaw. The total amount spent by him is 13 times the fare he paid for an auto rickshaw. What total amount of money was spent on Bus as well as Auto rickshaw by the man? |
| A. | Rs. 30 |
| B. | Rs 390 |
| C. | Rs. 570 |
| D. | Rs. 60 |
| Answer» C. Rs. 570 | |
| 4426. |
While travelling from Hyderabad to Bangalore by a car, the driver covers \(\frac{1}{4}\) of the distance at 60 kmph, \(\frac{1}{3}\) of the distance at 80 kmph, \(\frac{1}{6}\) of the distance at 100 kmph and the remaining distance at 50 kmph. Then his average speed for the whole journey, in kilometers per hour, is |
| A. | \(72 \frac{1}{2}\) |
| B. | \(70 \frac{5}{6}\) |
| C. | \(68 \frac{1}{6}\) |
| D. | \(66 \frac{2}{3}\) |
| Answer» E. | |
| 4427. |
While Thevenizing a circuit between two terminals, VTH is equal to |
| A. | Short-circuit terminals voltage |
| B. | Open-circuit terminals voltage |
| C. | Net voltage available in the circuit |
| D. | Emf of the battery nearest to the terminals |
| Answer» C. Net voltage available in the circuit | |
| 4428. |
While transmitting power through a shaft __________ is used to hold and support the shaft. |
| A. | belt |
| B. | gear |
| C. | pulley |
| D. | bearing |
| Answer» E. | |
| 4429. |
While testing the compressive strength of cement concrete, the correct standard conditions (viz temperature, age, humidity and size of the specimen) to be maintained as per IS are |
| A. | 27 ± 3°C, 28 days, 90% and 15 cm cube |
| B. | 26 ± 2°C, 28 days, 80% and 15 cm cube |
| C. | 25 ± 1°C, 14 days, 75% and 10 cm cube |
| D. | 27 ± 3°C, 7 days, 70% and 10 cm cube |
| Answer» B. 26 ± 2°C, 28 days, 80% and 15 cm cube | |
| 4430. |
While testing pollution in water a high coliform count indicates high levels of ______. |
| A. | pesticides |
| B. | fertilizers |
| C. | biological oxygen demand |
| D. | faecal matter |
| Answer» E. | |
| 4431. |
While teaching on health and hygiene the teacher explained that pig is not the cause of swine flu. It is an airborne disease. On which step of science is it based ? |
| A. | Identification of virus in pigs |
| B. | Transmission of virus |
| C. | Identification of virus in humans |
| D. | Similar symptoms of disease |
| Answer» C. Identification of virus in humans | |
| 4432. |
While testing a capacitor with a multimetre, the needle shows zero position indicating the capacitor is _____ |
| A. | In good condition |
| B. | Open circuited |
| C. | Short circuited |
| D. | Leaky |
| Answer» D. Leaky | |
| 4433. |
While teaching a topic based on finding the amount of interest earned, a teacher announced the formula of finding out the interest as I = PRT/100. Which method of teaching mathematics is used by the teacher?I. DeductiveII. Inductive |
| A. | Only I |
| B. | Only II |
| C. | Neither I nor II |
| D. | Both I and II |
| Answer» B. Only II | |
| 4434. |
While teaching, a teacher quite often observes that a student is having learning difficulties in comprehension, coupled with lack of concentration and showing symptoms of being hyperactive. For such a case what will be the most plausible cause? |
| A. | Paraplegia |
| B. | Quadriplegia |
| C. | Spina bifida |
| D. | Tourette syndrome |
| Answer» D. Tourette syndrome | |
| 4435. |
While teaching a creative writing class in India, I was surprised at receiving stories from the students that were all set in distant places: in the American West with cowboys and in Manhattan penthouses with clinking ice cubes. This was, till an eminent Caribbean writer gave the writers in the once-colonized countries the confidence to see the shabby lives around them as worthy of being “told”. The writer of this passage is surprised by the creative writing assignments of his students because of __________. |
| A. | Some of the students had written stories set in foreign places |
| B. | None of the students had written stories set in India |
| C. | None of the students had written about ice cubes and cowboys |
| D. | Some of the students had written about ice cubes and cowboys |
| Answer» C. None of the students had written about ice cubes and cowboys | |
| 4436. |
While synchronising the DG Set with the utility grid, which of the condition(s) must be satisfied? |
| A. | Voltage of DG Set must be same with the utility grid |
| B. | Phase sequence must be same with the utility grid |
| C. | Frequency must be same with the utility grid |
| D. | All (1), (2) and (3) must be satisfied |
| Answer» E. | |
| 4437. |
While tabulation of marks scored in an examination by the students of a class, by mistake the marks scored by one student got recorded as 93 in place of 63, and thereby the average marks increased by 0.5. What was the number of students in the class? |
| A. | 20 |
| B. | 15 |
| C. | 60 |
| D. | 30 |
| Answer» D. 30 | |
| 4438. |
While talking to an uneducated person. we should use |
| A. | ordinary speech |
| B. | his vocabulary |
| C. | simple words |
| D. | polite language |
| Answer» C. simple words | |
| 4439. |
While surveying a plot of land by the method of plane tabling, the field observations |
| A. | And plotting processed simultaneously |
| B. | And plotting do not processed simultaneously |
| C. | Are recorded in field books to be plotted later |
| D. | All the above |
| Answer» B. And plotting do not processed simultaneously | |
| 4440. |
While submitting tender by three envelope method, which envelop contains rates/amount offered by the tenderer? |
| A. | Envelop ∶ 3 |
| B. | Envelop nos ∶ 1 and 2 |
| C. | Envelop ∶ 1 |
| D. | None of the above |
| Answer» B. Envelop nos ∶ 1 and 2 | |
| 4441. |
While submitting a tender, the contractor is required to deposit some amount with the department as a guarantee of the tender known as______. |
| A. | earnest money |
| B. | bank guarantee |
| C. | security deposit |
| D. | caution money |
| Answer» B. bank guarantee | |
| 4442. |
While studying electron drift through a metallic conductor, current per unit area called current density is equal to? (Where 'e' is charge on an electron, 'm' is mass of an electron, 'E' is the electric field, 'τ' is relaxation time and 'n' is the number of free electrons per unit volume) |
| A. | ne2 / m |
| B. | ne2τ / m |
| C. | eτ / m |
| D. | ne2τ E / m |
| Answer» E. | |
| 4443. |
While starting the centrifugal pump |
| A. | delivery valve is kept wide open |
| B. | delivery valve is kept closed |
| C. | inlet valve is kept closed |
| D. | delivery valve is opened slightly |
| Answer» C. inlet valve is kept closed | |
| 4444. |
While studying electron drift through a metallic conductor the magnitude of the drift velocity per unit electric field (called mobility) is equal to? (Where e is charge on an electron, m is mass of an electron, E is the electric field, τ is relaxation time and n is the number of free electrons per unit volume) |
| A. | ne2τE/m |
| B. | ne2τ/m |
| C. | eτ/m |
| D. | σE |
| Answer» D. σE | |
| 4445. |
While studying electron drift through a metallic conductor, what is conductivity (σ) of the material equal to? (Where e is charge on an electron, m ismass of an electron, E is the electric field, τ is relaxation time and n is the number of free electrons per unit volume) |
| A. | ne2τE/m |
| B. | ne2τ/m |
| C. | σE |
| D. | eτ/m |
| Answer» C. σE | |
| 4446. |
While starting synchronous motor its field winding should be: |
| A. | Kept open |
| B. | Connected to a dc source |
| C. | Connected to ac source |
| D. | Kept short-circuited |
| Answer» E. | |
| 4447. |
While sowing seeds, the fertilizer commonly used contains? |
| A. | Calcium |
| B. | Potash |
| C. | Phosphorus |
| D. | Nitrates |
| Answer» D. Nitrates | |
| 4448. |
While solving an LPP (defined by n variables and m equations, m < n) through simplex method, basic solutions are determined by setting n – m variables equal to zero and solving m equations to obtain solution for remaining m variables, provided the resulting solutions are unique. This means that the maximum number of basic solutions is: |
| A. | \(\frac{{n!}}{{m!\left( {n - m} \right)!}}\) |
| B. | \(\frac{{m!}}{{n!\left( {n - m} \right)!}}\) |
| C. | \(\frac{{n!}}{{m!\left( {n + m} \right)!}}\) |
| D. | \(\frac{{m!}}{{n!\left( {n + m} \right)!}}\) |
| Answer» B. \(\frac{{m!}}{{n!\left( {n - m} \right)!}}\) | |
| 4449. |
While solving a linear programming model, if a redundant constraint is added, then what will be its effect on existing solution? |
| A. | There will be no effect |
| B. | The solution space will get further constrained |
| C. | The solution space becomes concave |
| D. | The problem no longer remains solvable |
| Answer» B. The solution space will get further constrained | |
| 4450. |
While shuffling a pack of 52 playing cards, 2 cards are accidentally dropped. What is the probability that the missing cards are of different colours? |
| A. | \(\frac{{29}}{{52}}\) |
| B. | \(\frac{{1}}{{2}}\) |
| C. | \(\frac{{26}}{{51}}\) |
| D. | \(\frac{{29}}{{51}}\) |
| Answer» D. \(\frac{{29}}{{51}}\) | |