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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.
| 1001. |
If the rate of denaturation of enzyme Y is 1.5*10-4/min, then the half-life of enzyme Y is ______ mins. |
| A. | 0.462*103 |
| B. | 4.62*103 |
| C. | 46.2*103 |
| D. | 0.0462*103 |
| Answer» C. 46.2*103 | |
| 1002. |
The equation \(t_{1/2}=\frac{0.693}{k_d}\) represents ___________ |
| A. | Arrhenius equation |
| B. | Lineweaver Burk equation |
| C. | Half-life |
| D. | Gibbs-Helmholtz equation |
| Answer» D. Gibbs-Helmholtz equation | |
| 1003. |
For every, 1000 fold increase in pressure, the Km is _____________ |
| A. | reduced to half |
| B. | doubled |
| C. | reduced to zero |
| D. | increased by 10 folds |
| Answer» B. doubled | |
| 1004. |
What does the equation, k = \(Ae^{\frac{-∆G}{RT}}\) represent? |
| A. | Arrhenius equation |
| B. | Miachelis Menton equation |
| C. | Lineweaver Burk equation |
| D. | Half-life |
| Answer» B. Miachelis Menton equation | |
| 1005. |
The following graph represents the effect of ____________ on activity of an enzyme catalyzed reaction. |
| A. | pH |
| B. | Incubation period |
| C. | Temperature |
| D. | Productivity |
| Answer» D. Productivity | |
| 1006. |
What does the following graph represent? |
| A. | Effect of temperature on the rate of enzyme catalyzed reaction |
| B. | Effect of pH on the rate of enzyme catalyzed reaction |
| C. | Effect on ionic strength on the rate of enzyme catalyzed reaction |
| D. | Effect of temperature on stability of an enzyme catalyzed reaction |
| Answer» C. Effect on ionic strength on the rate of enzyme catalyzed reaction | |
| 1007. |
The rate of enzyme catalyzed reaction decreases with an increase in ionic strength if the charges are identical. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1008. |
Calculate the ionic strength of 0.2 M solution of Calcium chloride? |
| A. | 0.9 M |
| B. | 0.06 M |
| C. | 0.6 M |
| D. | 6.0 M |
| Answer» D. 6.0 M | |
| 1009. |
The pH at which the net charge on the enzyme molecule is zero is called __________ |
| A. | pKa |
| B. | Half-life |
| C. | Isoelectric point |
| D. | Km |
| Answer» D. Km | |
| 1010. |
Enzymes are amphoteric molecules. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1011. |
What is the use of a function called port map()? |
| A. | Component declaration |
| B. | Defining identifiers |
| C. | Component instantiation |
| D. | Defining inputs and outputs |
| Answer» D. Defining inputs and outputs | |
| 1012. |
Ports are known as _________ to the component. |
| A. | Structure |
| B. | Behavior |
| C. | Function |
| D. | Interface |
| Answer» E. | |
| 1013. |
Which modeling style does the following code represents? |
| A. | Structural |
| B. | Component |
| C. | Behavior |
| D. | DataflowView Answer |
| Answer» B. Component | |
| 1014. |
Which logic function is described in the code given below? |
| A. | AND |
| B. | EXOR |
| C. | OR |
| D. | EXNORView Answer |
| Answer» C. OR | |
| 1015. |
Refer to the code given below, which type of modeling is used to describe the system? |
| A. | Structural |
| B. | Component |
| C. | Dataflow |
| D. | BehavioralView Answer |
| Answer» E. | |
| 1016. |
Component instantiation is the part of __________ modeling. |
| A. | Behavior |
| B. | Component |
| C. | Dataflow |
| D. | Structural |
| Answer» E. | |
| 1017. |
Structural style use processes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1018. |
What does modeling type refer to? |
| A. | Type of ports in entity block of VHDL code |
| B. | Type of description statements in architecture block of VHDL code |
| C. | Type of data objects |
| D. | Type of Signals |
| Answer» C. Type of data objects | |
| 1019. |
XML is a markup language where documents must be marked up correctly. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1020. |
For 6252 AT/Poles, if brush shift is of 2.50 mech. Degrees, what will be the cross-magnetizing ampere-turns per pole for a 6-pole DC machine? |
| A. | 521 |
| B. | 5731 |
| C. | 5231 |
| D. | 571 |
| Answer» C. 5231 | |
| 1021. |
For 6252 AT/Poles, if brush shift is of 2.50 mech. Degrees, what will be the demagnetizing ampere-turns per pole for a 6-pole DC machine? |
| A. | 521 |
| B. | 5731 |
| C. | 5231 |
| D. | 571 |
| Answer» B. 5731 | |
| 1022. |
What is the total ampere turns per pole for 720 lap wounded conductors with carrying armature current equal to 625A in a 6-pole machine? |
| A. | 6252 AT/pole |
| B. | 625.2 AT/pole |
| C. | 62.52 AT/pole |
| D. | 8252 AT/pole |
| Answer» B. 625.2 AT/pole | |
| 1023. |
If total ampere turns per pole is equal to 6000 A-turns, peak ampere turns for a 4-pole machine is _____ |
| A. | 24000 |
| B. | 3000 |
| C. | 1500 |
| D. | 4500 |
| Answer» D. 4500 | |
| 1024. |
What is the total ampere turns/pole (in AT/pole) if 600 lap wound conductors carry 120A current through conductors (P=4)? |
| A. | 18000 |
| B. | 9000 |
| C. | 4500 |
| D. | 13500 |
| E. | if 600 lap wound conductors carry 120A current through conductors (P=4)?a) 18000b) 9000c) 4500d) 13500 |
| Answer» C. 4500 | |
| 1025. |
Flux density in the interpolar region drops down because of ______ |
| A. | ATa (peak) |
| B. | Large air gap |
| C. | Absence of magnetic poles |
| D. | Depends on other parameters |
| Answer» C. Absence of magnetic poles | |
| 1026. |
Which of the following strain is useful for diabetes treatment? |
| A. | Interferon |
| B. | Insulin |
| C. | Interleukin |
| D. | Glucagon |
| Answer» C. Interleukin | |
| 1027. |
Which of the following is a type of mutation? |
| A. | Point mutations |
| B. | Frameshift mutations |
| C. | Sense mutation |
| D. | Missense mutations |
| Answer» D. Missense mutations | |
| 1028. |
Which of the following cannot induce mutations? |
| A. | X-rays |
| B. | Gamma rays |
| C. | Bromine |
| D. | Chlorine |
| Answer» E. | |
| 1029. |
In which of the following technique the genome is transferred from one organism to another? |
| A. | Protoplast fusion |
| B. | rDNA technology |
| C. | Induced mutations |
| D. | Conjugation |
| Answer» B. rDNA technology | |
| 1030. |
Which of the following organism(s) strain can be improved by parasexual cycle? |
| A. | A. niger |
| B. | P. chrysogenum |
| C. | A. nidulans |
| D. | B. flavum |
| Answer» E. | |
| 1031. |
Which of the following secondary metabolites does not prevent the synthesis of its own? |
| A. | Chloramphenicol |
| B. | Puromycin |
| C. | Penicillin |
| D. | Streptomycin |
| Answer» E. | |
| 1032. |
Which of the following is the analogue of valine? |
| A. | Isoleucine |
| B. | Trifluoroleucine |
| C. | Leucine |
| D. | Cephamycin |
| Answer» C. Leucine | |
| 1033. |
Shiio and Sano (1969) investigated the use of prototrophic revertants of __________ for lysine production. |
| A. | C. glutamicum |
| B. | B. flavum |
| C. | S. cerevisiae |
| D. | S. typhi |
| Answer» C. S. cerevisiae | |
| 1034. |
The Replica plate technique was used for _________ |
| A. | Isolation of auxotrophs |
| B. | Isolation of revertants |
| C. | Isolation of analogue-resistant mutants |
| D. | Isolation of prototrophs |
| Answer» C. Isolation of analogue-resistant mutants | |
| 1035. |
Who discovered the Gradient plate technique? |
| A. | Sano |
| B. | Shiio |
| C. | Szybalski |
| D. | Kubota |
| Answer» D. Kubota | |
| 1036. |
α – ketoglutarate dehydrogenase normally converts _______ into _______ |
| A. | α – ketoglutarate, succinate |
| B. | α – ketoglutarate, malate |
| C. | α – ketoglutarate, glutamate |
| D. | α – ketoglutarate, oxaloacetate |
| Answer» B. α – ketoglutarate, malate | |
| 1037. |
When C. glutamicum was grown in a medium containing a high concentration of biotin, the amount of glutamate produced was ________ |
| A. | 10-40 µg/mg-1 |
| B. | 20-35 µg/mg-1 |
| C. | 25-36 µg/mg-1 |
| D. | 35-40 µg/mg-1 |
| Answer» D. 35-40 µg/mg-1 | |
| 1038. |
Who isolated a biotin-requiring, Corynebacterium glutamicum? |
| A. | Kinoshita |
| B. | Nakayama |
| C. | Nakao |
| D. | Demain |
| Answer» B. Nakayama | |
| 1039. |
The Induced mutations results in _________ formation. |
| A. | A-A dimer |
| B. | C-C dimer |
| C. | T-T dimer |
| D. | G-G dimer |
| Answer» D. G-G dimer | |
| 1040. |
Which of the following procedure has a great application in strain improvement? |
| A. | rDNA Technology |
| B. | Conjugation |
| C. | Transformation |
| D. | Transduction |
| Answer» B. Conjugation | |
| 1041. |
The workbench UI is ________ |
| A. | Plug-in |
| B. | IDE |
| C. | GNU |
| D. | Codebase |
| Answer» B. IDE | |
| 1042. |
The ________ is responsible for defining a structure for plug-ins. |
| A. | Editors |
| B. | Standard Widget Toolkit |
| C. | Runtime |
| D. | JFace UI |
| Answer» D. JFace UI | |
| 1043. |
The platform itself is built in layers of plug-ins. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1044. |
Repository experts build ________ and the usability experts build ________ |
| A. | Back end, End user |
| B. | Front end and End user |
| C. | Back user, Front user |
| D. | Back end , Front end |
| Answer» E. | |
| 1045. |
The consortium’s operating principles assured that open source community would control ________ |
| A. | Code |
| B. | Consortium |
| C. | Both code, consortium |
| D. | Neither code nor consortium |
| Answer» D. Neither code nor consortium | |
| 1046. |
MVS stands for ________ |
| A. | Microsoft Visual Studio |
| B. | Memory Visual Studio |
| C. | Microsoft Virtual Studio |
| D. | Memory Virtual Studio |
| Answer» B. Memory Visual Studio | |
| 1047. |
Which of following statement is true?i. Cloud9 has gained particular interest for its integration with GitHub and Bit Bucket authentication integration and real-time collaboration.ii. Cloud9 does not account for SSH and FTP access. |
| A. | ii |
| B. | i |
| C. | i and ii |
| D. | Neither i and ii |
| Answer» C. i and ii | |
| 1048. |
Which of the following is not an IDE? |
| A. | BlueGriffon 1.5.2 |
| B. | Aptana studio 3c) TextEdit(Ma |
| C. | TextEdit(Mac) |
| D. | Dreamweaver |
| Answer» D. Dreamweaver | |
| 1049. |
Which of the following service is used for backing up a licensed computer? |
| A. | CarbonT |
| B. | Karbonite |
| C. | Carbonite |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1050. |
Cloud computing shifts capital expenditures into ________ expenditures. |
| A. | operating |
| B. | service |
| C. | local |
| D. | none of the mentioned |
| Answer» B. service | |