MCQOPTIONS
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MCQOPTIONS
This section includes 8247 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
The second underground nuclear test was conducted by India at |
| A. | Jaisalmer |
| B. | Pokhran |
| C. | Kalpakkan |
| D. | Narora |
| Answer» C. Kalpakkan | |
| 402. |
Which of the following is artificially produced as it does not occur in nature ? |
| A. | Uranium-235 |
| B. | Uranium-233 |
| C. | Plutonium-239 |
| D. | Both (b) and (c) |
| Answer» E. | |
| 403. |
Gas cooling as compared to water cooling of nuclear reactors |
| A. | can not attain a high temperature. |
| B. | is more efficient as gas has a higher specific heat. |
| C. | can produce only saturated steam for feeding to power turbine. |
| D. | none of these. |
| Answer» E. | |
| 404. |
Fast breeder reactors do not |
| A. | use Th-232 as fissile fuel. |
| B. | convert fertile material to fissile material. |
| C. | use fast neutrons for fission. |
| D. | use molten sodium as coolant. |
| Answer» B. convert fertile material to fissile material. | |
| 405. |
If the interest rate of 10% per period is compounded half yearly, the actual annual return on the principal will be __________ percent. |
| A. | 10 |
| B. | 20 |
| C. | >20 |
| D. | < 20 |
| Answer» D. < 20 | |
| 406. |
'Six-tenth factor' rule is used for estimating the |
| A. | equipment installation cost. |
| B. | equipment cost by scaling. |
| C. | cost of piping. |
| D. | utilities cost. |
| Answer» C. cost of piping. | |
| 407. |
Payback period |
| A. | and economic life of a project are the same. |
| B. | is the length of time over which the earnings on a project equals the investment. |
| C. | is affected by the variation in earnings after the recovery of the investment. |
| D. | all (a), (b) and (c). |
| Answer» C. is affected by the variation in earnings after the recovery of the investment. | |
| 408. |
In an ordinary chemical plant, electrical installation cost may be about |
| A. | 10-15% of purchased equipment cost. |
| B. | 3-10% of fixed capital investment. |
| C. | either (a) or (b). |
| D. | neither (a) nor (b). |
| Answer» D. neither (a) nor (b). | |
| 409. |
The economic life of a large chemical process plant as compared to a small chemical plant is |
| A. | only slightly more |
| B. | much more |
| C. | slightly less |
| D. | almost equal |
| Answer» C. slightly less | |
| 410. |
Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost. |
| A. | 5 to 10 |
| B. | 20 to 30 |
| C. | 40 to 50 |
| D. | 60 to 70 |
| Answer» C. 40 to 50 | |
| 411. |
__________ taxes are based on gross earnings. |
| A. | Property |
| B. | Excise |
| C. | Income |
| D. | Capital gain |
| Answer» D. Capital gain | |
| 412. |
Gross earning is equal to the total income minus |
| A. | total product cost |
| B. | fixed cost |
| C. | income tax |
| D. | none of these |
| Answer» B. fixed cost | |
| 413. |
The purpose of controlling the furnace atmosphere is to prevent surface attack by |
| A. | oxidation/scaling |
| B. | decarburising |
| C. | sulphur penetration |
| D. | either of the above |
| Answer» E. | |
| 414. |
Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. |
| A. | 20 |
| B. | 40 |
| C. | 65 |
| D. | 80 |
| Answer» C. 65 | |
| 415. |
Which is the most thermally efficient furnace ? |
| A. | Reheating furnace |
| B. | Reverberatory furnace |
| C. | Rotary kilns |
| D. | Boiler furnace |
| Answer» E. | |
| 416. |
The heat recoverable from flue gases of furnaces depends on the |
| A. | thermal efficiency of furnace. |
| B. | quantity of flue gases. |
| C. | flue gas temperature drop through the furnace. |
| D. | all (a), (b) and (c). |
| Answer» E. | |
| 417. |
In producer gas making furnace, steam is added along with air to mainly control the |
| A. | fusion of coal ash & clinker formation. |
| B. | C. V. of producer gas. |
| C. | temperature of producer gas. |
| D. | tar content in producer gas. |
| Answer» B. C. V. of producer gas. | |
| 418. |
Which is a continuous furnace ? |
| A. | Coke ovens |
| B. | Annealing furnace |
| C. | Glass tank furnace |
| D. | None of these |
| Answer» D. None of these | |
| 419. |
Which furnace employs preheating, heating and soaking zones ? |
| A. | Soaking pit |
| B. | Reheating furnace |
| C. | Open hearth furnace |
| D. | Cupola |
| Answer» C. Open hearth furnace | |
| 420. |
Calcination of limestone to produce lime is done in a __________ kiln. |
| A. | tunnel |
| B. | rotary |
| C. | vertical shaft |
| D. | both (b) and (c) |
| Answer» E. | |
| 421. |
Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of |
| A. | low emissivity |
| B. | high thermal conductivity |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |
| 422. |
Ceramic recuperators compared to metallic recuperators for the same duty |
| A. | are lighter. |
| B. | occupy more space. |
| C. | are less costly. |
| D. | have higher pressure differential between flue gas & air side. |
| Answer» C. are less costly. | |
| 423. |
Example of an indirectly heated furnace is |
| A. | hood annealing furnace |
| B. | muffle furnace |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |
| 424. |
Which of the following is the most suitable for preheating combustion air above 650 C ? |
| A. | Regenerator |
| B. | Metallic recuperator |
| C. | Ceramic recuperator |
| D. | None of these |
| Answer» D. None of these | |
| 425. |
Soaking pits are meant for heating steel |
| A. | ingots |
| B. | coils |
| C. | sheets |
| D. | slabs |
| Answer» B. coils | |
| 426. |
In declining balance method of depreciation calculation, the |
| A. | value of the asset decreases linearly with time. |
| B. | annual cost of depreciation is same every year. |
| C. | annual depreciation is the fixed percentage of the property value at the beginning of the particular year. |
| D. | none of these. |
| Answer» D. none of these. | |
| 427. |
Which of the following relationship is not correct is case of a chemical process plant ? |
| A. | Manufacturing cost = direct product cost + fixed charges + plant overhead costs |
| B. | General expenses = administrative expenses + distribution & marketing expenses |
| C. | Total product cost = manufacturing cost + general expenses |
| D. | Total product cost = direct production cost + plant overhead cost. |
| Answer» E. | |
| 428. |
The total investment in a project is Rs. 10 lakhs and the annual profit is 1.5 lakhs. If the project life is 10 years, then the simple rate of return on investment is |
| A. | 15% |
| B. | 10% |
| C. | 1.5% |
| D. | 150% |
| Answer» D. 150% | |
| 429. |
Nominal and effective interest rates are equal, when the interest is compounded |
| A. | quarterly |
| B. | semi-annually |
| C. | annually |
| D. | in no case, they are equal |
| Answer» D. in no case, they are equal | |
| 430. |
Accumulated sum at the end of 5 years, if Rs. 10000 is invested now at 10% interest per annum on a compound basis is Rs. |
| A. | 15000 |
| B. | 16105 |
| C. | 18105 |
| D. | 12500 |
| Answer» C. 18105 | |
| 431. |
In a manufacturing industry, break even point occurs, when the |
| A. | total annual rate of production equals the assigned value. |
| B. | total annual product cost equals the total annual sales. |
| C. | annual profit equals the expected value. |
| D. | annual sales equals the fixed cost. |
| Answer» C. annual profit equals the expected value. | |
| 432. |
Which of the following is not a component of working capital ? |
| A. | Raw materials is stock. |
| B. | Finished products in stock. |
| C. | Transportation facilities. |
| D. | Semi-finished products in the process. |
| Answer» D. Semi-finished products in the process. | |
| 433. |
Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor. |
| A. | thermal |
| B. | fast breeder |
| C. | heavy water moderated |
| D. | enriched uranium |
| Answer» C. heavy water moderated | |
| 434. |
Which of the following is the costliest material of construction used in pressure vessel construction ? |
| A. | Low alloy steel |
| B. | Lead |
| C. | Titanium |
| D. | High alloy steel |
| Answer» D. High alloy steel | |
| 435. |
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost. |
| A. | l to 5 |
| B. | 10 to 20 |
| C. | 25 to 35 |
| D. | 35 to 45 |
| Answer» C. 25 to 35 | |
| 436. |
'P' is the investment made on an equipment, 'S' is its salvage value and 'n is the life of the equipment in years. The depreciation for rath year by the sum-of years digit method will be |
| A. | <img src="/_files/images/chemical-engineering/chemical-engineering-plant-economics/607-103-1.png"> |
| B. | <img src="/_files/images/chemical-engineering/chemical-engineering-plant-economics/607-103-2.png"> |
| C. | <img src="/_files/images/chemical-engineering/chemical-engineering-plant-economics/607-103-3.png"> |
| D. | <img src="/_files/images/chemical-engineering/chemical-engineering-plant-economics/607-103-4.png"> |
| Answer» E. | |
| 437. |
Which of the following may not need a control rod ? |
| A. | Liquid metal cooled reactor. |
| B. | Fast breeder reactor. |
| C. | Candu reactor. |
| D. | None of these. |
| Answer» E. | |
| 438. |
The atomic number of an element is equal to the number of __________ present in its atom. |
| A. | neutrons |
| B. | electrons |
| C. | protons |
| D. | either (b) or (c) |
| Answer» E. | |
| 439. |
Spent fuel from the nuclear thermal reactor contains |
| A. | fission products |
| B. | plutonium |
| C. | unused fuel |
| D. | all (a), (b) & (c) |
| Answer» E. | |
| 440. |
A boiling water reactor is the one, in which the |
| A. | coolant water is allowed to boil in the core of the reactor. |
| B. | coolant water, after being heated in the reactor core, generates steam in a boiler. |
| C. | pressurised water is pumped into the core. |
| D. | fuel and the coolant are thoroughly mixed to form a homogeneous solution. |
| Answer» B. coolant water, after being heated in the reactor core, generates steam in a boiler. | |
| 441. |
Ordinary water is not used as a moderator because, it |
| A. | has a low absorption cross-section. |
| B. | has a low scattering cross-section. |
| C. | absorbs neutrons. |
| D. | does not absorb neutrons. |
| Answer» D. does not absorb neutrons. | |
| 442. |
Out of the followingplaces, a nuclear power plant is not located at |
| A. | Talcher (Orissa) |
| B. | Kaiga (Karnataka) |
| C. | Rawatbhata (Rajsthan) |
| D. | Kalpakkam (Tamilnadu) |
| Answer» B. Kaiga (Karnataka) | |
| 443. |
Which of the following is a heat treatment furnace ? |
| A. | Muffle furnace |
| B. | Annealing furnace |
| C. | Reheating furnace |
| D. | Rotary kiln |
| Answer» C. Reheating furnace | |
| 444. |
__________ atmosphere is maintained inside an iron blast furnace. |
| A. | Oxidising |
| B. | Reducing |
| C. | Inert |
| D. | Decarburising |
| Answer» C. Inert | |
| 445. |
Direct costs component of the fixed capital consists of |
| A. | contingencies |
| B. | onsite and offsite costs |
| C. | labour costs |
| D. | raw material costs |
| Answer» C. labour costs | |
| 446. |
Out of the following, the depreciation calculated by the __________ method is the maximum. |
| A. | diminishing balance |
| B. | straight line |
| C. | sum of the years digit |
| D. | sinking fund |
| Answer» B. straight line | |
| 447. |
The ratio of working capital to total capital investment for most chemical plants (except for non-seasonal based products) is in the range of __________ percent. |
| A. | 0.1 to 1 |
| B. | 1 to 2 |
| C. | 10 to 20 |
| D. | 50 to 60 |
| Answer» D. 50 to 60 | |
| 448. |
Utilities cost in the operation of chemical process plant comes under the |
| A. | plant overhead cost |
| B. | fixed charges |
| C. | direct production cost |
| D. | general expenses |
| Answer» D. general expenses | |
| 449. |
The decrease in the atomic number is not observed in case of |
| A. | electron capture |
| B. | -emission |
| C. | -emission |
| D. | positron emission |
| Answer» C. -emission | |
| 450. |
The mass number of an element is not changed, when it emits __________ radiations. |
| A. | & |
| B. | & |
| C. | & |
| D. | , , & |
| Answer» C. & | |