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This section includes 2171 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1351. |
The compaction of concrete, improves |
| A. | density |
| B. | strength |
| C. | durability |
| D. | all the above. |
| Answer» E. | |
| 1352. |
C.R.R.I. charts are used to obtain a relatioship between strength of concrete and |
| A. | water cement ratio |
| B. | workability |
| C. | grading of aggregate |
| D. | fineness modulus |
| Answer» B. workability | |
| 1353. |
For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are: |
| A. | 70 litres of sand and 120 litres of aggregates |
| B. | 70 kg of sand and 140 litres of aggregates |
| C. | 105 litres of sand and 140 litres of aggregates |
| D. | 105 litres of sand and 210 litres of aggregates |
| Answer» E. | |
| 1354. |
Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is |
| A. | 30% |
| B. | 40% |
| C. | 50% |
| D. | 60% |
| Answer» B. 40% | |
| 1355. |
Addition of pozzolana to cement causes |
| A. | reduction in permeability |
| B. | loss of heat of hydration |
| C. | reduction in bleeding |
| D. | all the above. |
| Answer» E. | |
| 1356. |
The minimum percentage of chemical ingredient of cement is that of |
| A. | magnesium oxide |
| B. | iron oxide |
| C. | alumina |
| D. | lime |
| Answer» B. iron oxide | |
| 1357. |
A concrete using an air entrained cement |
| A. | has strength less than 10% to 15% |
| B. | has more resistance to weathering |
| C. | is more plastic and workable |
| D. | is free from segregation and bleeding |
| Answer» D. is free from segregation and bleeding | |
| 1358. |
To prevent segregation, the maximum height for placing concrete, is |
| A. | 100 cm |
| B. | 125 cm |
| C. | 150 cm |
| D. | 200 cm |
| Answer» B. 125 cm | |
| 1359. |
Batching error means inaccuracy in the quantity of |
| A. | aggregates |
| B. | cement |
| C. | water |
| D. | all the above. |
| Answer» E. | |
| 1360. |
For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is |
| A. | 1 : 3 : 6 |
| B. | 1 : 1.5 : 3 |
| C. | 1 : 2 : 4 |
| D. | 1 : 1 : 2 |
| Answer» D. 1 : 1 : 2 | |
| 1361. |
Cement used for normal concrete construction, is obtained by burning a mixture of |
| A. | silicious and argillaceous materials |
| B. | argilaceous and calcareous materials |
| C. | silicious and catcareous materials |
| D. | silicious, argillaceous and calcareous materials |
| Answer» E. | |
| 1362. |
The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are |
| A. | 1500 bags |
| B. | 2000 bags |
| C. | 2500 bags |
| D. | 3000 bags |
| Answer» E. | |
| 1363. |
To obtain a very high strength concrete, use very fine grained |
| A. | Granite |
| B. | Magnetite |
| C. | Barite |
| D. | Volcanic scoria. |
| Answer» B. Magnetite | |
| 1364. |
If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than |
| A. | 20.5 mm |
| B. | 30.5 mm |
| C. | 40.5 mm |
| D. | 50.5 mm |
| Answer» D. 50.5 mm | |
| 1365. |
The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is |
| A. | rounded aggregate |
| B. | irregular aggregate |
| C. | angular aggregate |
| D. | flaky aggregate |
| Answer» B. irregular aggregate | |
| 1366. |
I.S. Sieve Nos. 10 mm and 4.75 mm are geneally used for grading of |
| A. | coarse aggregates |
| B. | fine aggregates |
| C. | neither (a) nor (b) |
| D. | both (a) and (b) |
| Answer» E. | |
| 1367. |
You are asked to construct a massive dam, the type of cement you will use, is |
| A. | ordinary Portland cement |
| B. | rapid hardening cement |
| C. | low heat cement |
| D. | blast furnace slag cement |
| Answer» D. blast furnace slag cement | |
| 1368. |
Hardening of cement occurs at |
| A. | rapid rate during the first few days and afterwards it continues to increase at a decreased rate |
| B. | slow rate during the first few days and afterwards it continues to increase at a rapid rate |
| C. | uniform rate throughout its age |
| D. | none of these. |
| Answer» E. | |
| 1369. |
The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is |
| A. | 30% |
| B. | 40% |
| C. | 50% |
| D. | 60%. |
| Answer» D. 60%. | |
| 1370. |
What does AM mean? |
| A. | Angelo marconi |
| B. | Anno median |
| C. | Amplitude modulation |
| D. | Amperes |
| Answer» D. Amperes | |
| 1371. |
In what year was the "@" chosen for its use in e-mail addresses? |
| A. | 1976 |
| B. | 1972 |
| C. | 1980 |
| D. | 1984 |
| Answer» C. 1980 | |
| 1372. |
Which consists of two plates separated by a dielectric and can store a charge? |
| A. | Inductor |
| B. | Capacitor |
| C. | Transistor |
| D. | Relay |
| Answer» C. Transistor | |
| 1373. |
What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly? |
| A. | Inernet |
| B. | Interanet |
| C. | Local Area Network |
| D. | Wide Area Network |
| Answer» D. Wide Area Network | |
| 1374. |
Name the terminals of a BJT. |
| A. | Drain, Gate, Source |
| B. | Positive, Negative, Neutral |
| C. | Anode, Cathode, Triode |
| D. | Emitter, Base, Collector |
| Answer» E. | |
| 1375. |
In the United States the television broadcast standard is...? |
| A. | PAL |
| B. | NTSC |
| C. | SECAM |
| D. | RGB |
| Answer» C. SECAM | |
| 1376. |
In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...? |
| A. | 500 volts |
| B. | 5 thousand volts |
| C. | 25 thousand volts |
| D. | 100 thousand volts |
| Answer» D. 100 thousand volts | |
| 1377. |
The "http" you type at the beginning of any site's address stands for... |
| A. | HTML Transfer Technology Process |
| B. | Hyperspace Terms and Tech Protocol |
| C. | Hyperspace Techniques & Tech Progress |
| D. | Hyper Text Transfer Protocol |
| Answer» E. | |
| 1378. |
Compact discs, (according to the original CD specifications) hold how many minutes of music? |
| A. | 74 mins |
| B. | 56 mins |
| C. | 60 mins |
| D. | 90 mins |
| Answer» B. 56 mins | |
| 1379. |
What is a GPU? |
| A. | Grouped Processing Unit |
| B. | Graphics Processing Unit |
| C. | Graphical Performance Utility |
| D. | Graphical Portable Unit |
| Answer» C. Graphical Performance Utility | |
| 1380. |
A DV camcorder is... |
| A. | Capable of creating video in HDTV |
| B. | Used to create digital video |
| C. | Limited to the Direct Video format |
| D. | A Denon Video brand product |
| Answer» C. Limited to the Direct Video format | |
| 1381. |
Changing computer language of 1's and 0's to characters that a person can understand is... |
| A. | Highlight |
| B. | Clip art |
| C. | Decode |
| D. | Execute |
| Answer» D. Execute | |
| 1382. |
What are the 2 terminals of a diode called? |
| A. | Pentode and Triode |
| B. | Gate and Drain |
| C. | Drain and Source |
| D. | Anode and Cathode |
| Answer» E. | |
| 1383. |
Which of the following is not a programming language? |
| A. | Basic |
| B. | Java |
| C. | Turing |
| D. | C# |
| Answer» D. C# | |
| 1384. |
What is not always necessary for accessing the Web? |
| A. | A Web browser |
| B. | A connection to an Internet Access Provider |
| C. | A computer |
| D. | A modem |
| Answer» E. | |
| 1385. |
What does ECP stand for? |
| A. | Extended Capabilities Port |
| B. | Extra Compatible Part |
| C. | Extended Connection Port |
| D. | External Cordless Peripheral |
| Answer» B. Extra Compatible Part | |
| 1386. |
How can you catch a computer virus? |
| A. | Sending e-mail messages |
| B. | Using a laptop during the winter |
| C. | Opening e-mail attachments |
| D. | Shopping online |
| Answer» D. Shopping online | |
| 1387. |
What does SSL stand for? |
| A. | Secure Socket Layer |
| B. | System Socket Layer |
| C. | Superuser System Login |
| D. | Secure System Login |
| Answer» B. System Socket Layer | |
| 1388. |
The Internet was developed in the... |
| A. | Early 1990s |
| B. | Late 1980s |
| C. | Early 1970s |
| D. | Late 1960s |
| Answer» E. | |
| 1389. |
Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean? |
| A. | United Parcel Service |
| B. | Uniform Product Support |
| C. | Under Paneling Storage |
| D. | Uninterruptable Power Supply |
| Answer» E. | |
| 1390. |
The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...? |
| A. | Transformer |
| B. | Yoke |
| C. | Capacitor |
| D. | Diode |
| Answer» C. Capacitor | |
| 1391. |
Who co-founded Hotmail in 1996 and then sold the company to Microsoft? |
| A. | Shawn Fanning |
| B. | Ada Byron Lovelace |
| C. | Sabeer Bhatia |
| D. | Ray Tomlinson |
| Answer» D. Ray Tomlinson | |
| 1392. |
In the UK, what type of installation requires a fireman's switch? |
| A. | Neon Lighting |
| B. | High Pressure Sodium Lighting |
| C. | Water Features |
| D. | Hotel Rooms |
| Answer» B. High Pressure Sodium Lighting | |
| 1393. |
The transformer that develops the high voltage in a home television is commonly called a...? |
| A. | Tesla coil |
| B. | Flyback |
| C. | Yoke |
| D. | Van de Graaf |
| Answer» C. Yoke | |
| 1394. |
What is VCM? |
| A. | Virtual Connection Manager |
| B. | Virtual Channel Memory |
| C. | Voice Controlled Modem |
| D. | Voice Communications Module |
| Answer» C. Voice Controlled Modem | |
| 1395. |
What is a MAC? |
| A. | A Computer made by Apple |
| B. | Memory Address Corruption |
| C. | Mediocre Apple Computer |
| D. | Media Access Control |
| Answer» E. | |
| 1396. |
The "desktop" of a computer refers to: |
| A. | The visible screen |
| B. | The area around the monitor |
| C. | The top of the mouse pad |
| D. | The inside of a folder |
| Answer» B. The area around the monitor | |
| 1397. |
'.TXT' extension refers usually to what kind of file? |
| A. | Text File |
| B. | Image file |
| C. | Audio file |
| D. | Adobe Acrobat file |
| Answer» B. Image file | |
| 1398. |
What is the Websites code for the country Mongolia? |
| A. | MN |
| B. | ML |
| C. | MG |
| D. | MO |
| Answer» B. ML | |
| 1399. |
Which of the following word processors came first? |
| A. | WordPerfect |
| B. | Lotus Notes |
| C. | MS Word |
| D. | WordStar |
| Answer» E. | |
| 1400. |
What is a NIC? |
| A. | Netware Intranet Controller |
| B. | No Internet Connection |
| C. | Network Interface Card |
| D. | Network Interference Control |
| Answer» D. Network Interference Control | |