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MCQOPTIONS
This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
The integrated circuit was invented by Jack Kilby of _____________ |
| A. | MIT |
| B. | Texas Instruments |
| C. | Xerox |
| D. | All of the mentioned |
| Answer» C. Xerox | |
| 902. |
Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex interconnections existing among the human brain’s nerve cells. What name is given to such type of computers? |
| A. | Intelligent computers |
| B. | Supercomputers |
| C. | Neural network computers |
| D. | Smart computers |
| Answer» D. Smart computers | |
| 903. |
In LISP, the function evaluates both and is _____________ |
| A. | set |
| B. | setq |
| C. | add |
| D. | eva |
| Answer» B. setq | |
| 904. |
A bidirectional feedback loop links computer modeling with _____________ |
| A. | artificial science |
| B. | heuristic processing |
| C. | human intelligence |
| D. | cognitive science |
| Answer» D. cognitive science | |
| 905. |
High-resolution, bit-mapped displays are useful for displaying _____________ |
| A. | clearer characters |
| B. | graphics |
| C. | more characters |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 906. |
Which company offers the LISP machine considered “the most powerful symbolic processor available”? |
| A. | LMI |
| B. | Symbolics |
| C. | Xerox |
| D. | Texas Instruments |
| Answer» C. Xerox | |
| 907. |
Ambiguity may be caused by ______________ |
| A. | syntactic ambiguity |
| B. | multiple word meanings |
| C. | unclear antecedents |
| D. | all of the mentioned |
| Answer» E. | |
| 908. |
Which method from TestCase class returns the name of a Test case? |
| A. | String testCaseName() |
| B. | String getTest() |
| C. | String getTestCaseName() |
| D. | String getName() |
| Answer» E. | |
| 909. |
How can a method be made to run before the execution of every test case? |
| A. | Annotate the method with @Before |
| B. | Prefix the method name with startfirst |
| C. | Annotate the method with a @BeforeClass |
| D. | Such a method cannot be made |
| Answer» B. Prefix the method name with startfirst | |
| 910. |
What does the assertTrue(“message”,A) do? |
| A. | do?a) Asserts that the condition A is true |
| B. | Asserts that “message” = A |
| C. | Asserts that A contains “message” |
| D. | Asserts that the condition A is false |
| Answer» B. Asserts that “message” = A | |
| 911. |
What will be the outcome for the following piece of code? |
| A. | Compilation Error |
| B. | Runtime Error |
| C. | Test Ran with Success |
| D. | Test Ran with FailureView Answer |
| Answer» E. | |
| 912. |
What are Parameterised tests used for in JUnit? |
| A. | Run a test many times with different sets of parameters |
| B. | Run a test with no parameters |
| C. | Run a test with only String parameters |
| D. | Run a test once with fixed set of parameters |
| Answer» B. Run a test with no parameters | |
| 913. |
Which function can be used in AES multiplication |
| A. | m(x)=x7+x4+x3 |
| B. | m(x)=x8+x4+x3+x+1 |
| C. | m(x)=x8+x3+x2+x+1 |
| D. | m(x)=x8+x5+x3+x |
| Answer» C. m(x)=x8+x3+x2+x+1 | |
| 914. |
How many round keys are generated in the AES algorithm? |
| A. | 11 |
| B. | 10 |
| C. | 8 |
| D. | 12 |
| Answer» B. 10 | |
| 915. |
Which of the following are truei) In the AES key expansion algorithm, the function g() operates on w i+3ii) Perform a one-byte right circular rotation on the argument 4-byte wordiii) The round constant follows the formula RC[j] = RC[j − 1] |
| A. | i) ii) |
| B. | ii) only |
| C. | i) only |
| D. | AllView Answer |
| Answer» D. AllView Answer | |
| 916. |
On performing the mix column transformation on the matrix(Verify for the first column only) |
| A. | True |
| B. | False |
| Answer» B. False | |
| 917. |
The output of the previous question on passing through the “mix columns” step function gives us the output |
| A. | 3252 |
| B. | 3743 |
| C. | 3425 |
| D. | 3473 |
| Answer» E. | |
| 918. |
The output of the previous question on passing through the “shift row” step function gives us the output |
| A. | C046 |
| B. | 0C64 |
| C. | 64C0 |
| D. | 640C |
| Answer» C. 64C0 | |
| 919. |
The output of the previous question, on passing through “nibble substitution” gets us the output |
| A. | 3267 |
| B. | 1344 |
| C. | 64C0 |
| D. | CA37 |
| Answer» D. CA37 | |
| 920. |
For a key 25D5 and PT input A479 what is the output we obtain after the “add round key” function? |
| A. | F34D |
| B. | 81AC |
| C. | 79DF |
| D. | 327D |
| Answer» C. 79DF | |
| 921. |
How many step function do Round 1 and 2 each have in S-AES? |
| A. | 4 and 3 |
| B. | Both 4 |
| C. | 1 and 4 |
| D. | 3 and 4 |
| Answer» B. Both 4 | |
| 922. |
Heat must be supplied to a substance in order to increase its temperature by 1°C is called? |
| A. | Plate heat |
| B. | Specific heat |
| C. | Heat of chemical reaction |
| D. | Heat of crystallization |
| Answer» C. Heat of chemical reaction | |
| 923. |
“R” in the below equation refers to what? |
| A. | Recycle |
| B. | Regeneration efficiency |
| C. | Regression |
| D. | Reuse |
| Answer» C. Regression | |
| 924. |
Scraped Heat exchanger has a ______ design. |
| A. | Simple |
| B. | Vertical |
| C. | Planar |
| D. | Horizontal |
| Answer» B. Vertical | |
| 925. |
Heat exchanger characterized by pack of stainless steel in a frame is ________ |
| A. | Plate heat exchanger |
| B. | Tubular heat exchanger |
| C. | Scraped surface heat exchanger |
| D. | Spray dryer |
| Answer» B. Tubular heat exchanger | |
| 926. |
Which of the following is/are the category of Tubular Heat exchanger? |
| A. | Multi/mono channel |
| B. | Multi/mono tube |
| C. | Cubical channel |
| D. | Multi/mono channel and Multi/mono tube |
| Answer» E. | |
| 927. |
PHE (Plate Heat Exchanger) is more efficient in terms of heat transfer than THE (Tubular Heat Exchanger). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 928. |
Which of the following material is used for heat transfer in the dairy industry? |
| A. | Iron |
| B. | Platinum |
| C. | Copper |
| D. | Stainless steel |
| Answer» E. | |
| 929. |
Which among the following surface promote heat transfer? |
| A. | Plain |
| B. | Shiny |
| C. | Corrugated |
| D. | Wet |
| Answer» D. Wet | |
| 930. |
Novel puling methods include? |
| A. | Formaldehyde pulping |
| B. | White pulping |
| C. | Brown pulping |
| D. | Saturated pulping |
| Answer» B. White pulping | |
| 931. |
Many of the strength improvements and yields observed with these methods do not consider the effect of fungal hyphae. What process are we talking about? |
| A. | Novel pulping methods |
| B. | Organosolv |
| C. | Sivola |
| D. | Biological |
| Answer» E. | |
| 932. |
___________ is an experimental process where chips are pre-heated with white rot fungi or lignin degradation enzymes. |
| A. | Novel pulping methods |
| B. | Organosolv |
| C. | Biological |
| D. | Sivola |
| Answer» D. Sivola | |
| 933. |
Chemical puling and bleaching of chemical pulps both come under delignification reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 934. |
The three functional components interact with each other to form__________________ |
| A. | Environmental succession |
| B. | Environmental depression |
| C. | Environmental system |
| D. | Ecology |
| Answer» D. Ecology | |
| 935. |
Generally ecosystem consists of how many basic components? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 936. |
Which type of ecosystem accounts for most of the net primary productivity on earth even though it has a low average net primary productivity? |
| A. | Tropical rain forest |
| B. | Desert |
| C. | Tropical evergreen forest |
| D. | Oceans |
| Answer» E. | |
| 937. |
Total primary production in an ecosystem is known as____________________ |
| A. | Gross final production |
| B. | Gross primary production |
| C. | Gross middle production |
| D. | Net primary production |
| Answer» C. Gross middle production | |
| 938. |
Which one of the following is not a gaseous biogeochemical cycle in an ecosystem? |
| A. | Carbon cycle |
| B. | Phosphorous cycle |
| C. | Sulfur cycle |
| D. | Nitrogen cycle |
| Answer» C. Sulfur cycle | |
| 939. |
The altitude range of exosphere is ________ |
| A. | 400km to 1000km |
| B. | 500km to 1000km |
| C. | 500km to 10000km |
| D. | 500km to 5000km |
| Answer» D. 500km to 5000km | |
| 940. |
Which of the following is the correct order of atmospheric layers with respect to altitude increase? |
| A. | Exosphere < Thermosphere < Mesosphere < Stratosphere < Troposphere |
| B. | Thermosphere < Stratosphere < Mesosphere < Troposphere < Exosphere |
| C. | Troposphere < Stratosphere < Mesosphere < Thermosphere < Exosphere |
| D. | Troposphere < Stratosphere < Mesosphere < Exosphere < Thermosphere |
| Answer» D. Troposphere < Stratosphere < Mesosphere < Exosphere < Thermosphere | |
| 941. |
The altitude range of stratosphere is ___________ |
| A. | 20km to 70km |
| B. | 18km to 50km |
| C. | 10km to 50km |
| D. | 30km to 40km |
| Answer» C. 10km to 50km | |
| 942. |
The altitude range of mesosphere is ___________ |
| A. | 40km to 80km |
| B. | 30km to 50km |
| C. | 50km to 85km |
| D. | 40km to 70km |
| Answer» D. 40km to 70km | |
| 943. |
The altitude range of troposphere is ___________ |
| A. | 10km to 50km |
| B. | 8km to 18km |
| C. | 20km to 60km |
| D. | 10km to 30km |
| Answer» C. 20km to 60km | |
| 944. |
The altitude range of thermosphere is ___________ |
| A. | 50km to 400km |
| B. | 90km to 500km |
| C. | 100km to 300km |
| D. | 70km to 400km |
| Answer» C. 100km to 300km | |
| 945. |
The range of temperature in troposphere is _____________ |
| A. | 15°C to -51°C |
| B. | 5°C to -10°C |
| C. | 510°C to -105°C |
| D. | 31°C to -10°C |
| Answer» B. 5°C to -10°C | |
| 946. |
The range of temperature in stratosphere is _____________ |
| A. | -51°C to -15°C |
| B. | -5°C to -10°C |
| C. | -510°C to -105°C |
| D. | -31°C to -10°C |
| Answer» B. -5°C to -10°C | |
| 947. |
The range of temperature in thermosphere is ________ |
| A. | 200-500°C |
| B. | 200-1000°C |
| C. | 200-2000°C |
| D. | 200-700°C |
| Answer» D. 200-700°C | |
| 948. |
The range of temperature in mesosphere is ________ |
| A. | below 130K |
| B. | below 140K |
| C. | below 110K |
| D. | below 120K |
| Answer» B. below 140K | |
| 949. |
According to ISA atmospheric model what is the value of datum atmospheric temperature? |
| A. | 273K |
| B. | 277K |
| C. | 288.15K |
| D. | 288.15°C |
| Answer» D. 288.15°C | |
| 950. |
The atmosphere is mainly divided into _______ layers. |
| A. | 2 |
| B. | 6 |
| C. | 7 |
| D. | 5 |
| Answer» E. | |