MCQOPTIONS
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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.
| 751. |
What does SIMM stand for? |
| A. | single in-line memory module |
| B. | single interrupt memory module |
| C. | single information memory module |
| D. | same-in-line memory module |
| Answer» B. single interrupt memory module | |
| 752. |
How many data lines does 256*4 have? |
| A. | 256 |
| B. | 8 |
| C. | 4 |
| D. | 32 |
| Answer» D. 32 | |
| 753. |
What will be the resistance between B and C when the network given below is converted into delta? |
| A. | 13Ω |
| B. | 8.66Ω |
| C. | 6.5Ω |
| D. | 7.33Ω |
| Answer» C. 6.5Ω | |
| 754. |
Convert the given star network into Pi network and calculate the sum of all the resistances in the obtained Pi network. |
| A. | 125.5Ω |
| B. | 122.5Ω |
| C. | 127.8Ω |
| D. | 129.8Ω |
| Answer» C. 127.8Ω | |
| 755. |
Find VAB if iAB = 5A. |
| A. | 32.76V |
| B. | 35.56V |
| C. | 36.12V |
| D. | 34.21V |
| Answer» E. | |
| 756. |
Convert the given Delta circuit to star circuit and give the Ra , Rb and Rc values. |
| A. | Ra=5Ω, Rb = 4.5Ω, Rc=4.67Ω |
| B. | Ra=4Ω, Rb=4.30Ω, Rc=4.66Ω |
| C. | Ra=3Ω, Rb=4Ω, Rc =5Ω |
| D. | Ra=5.2Ω, Rb=4.2Ω, Rc =4.89ΩView Answer |
| Answer» C. Ra=3Ω, Rb=4Ω, Rc =5Ω | |
| 757. |
If R2 = RC RA / (RA +RB +RC ) then R3 equals? |
| A. | RA RB / (RA +RB +RC ) |
| B. | RC RA / (RA +RB +RC ) |
| C. | RB RC / (RA +RB +RC ) |
| D. | RX RA / (RA +RB +RC ) |
| Answer» B. RC RA / (RA +RB +RC ) | |
| 758. |
If P/Q=1, unknown resistance S=1000Ω and R could be varied from 0 to 100Ω then the bridge could be ___________ |
| A. | A balanced circuit |
| B. | A rectified circuit |
| C. | An unbalanced circuit |
| D. | An identical circuit |
| Answer» D. An identical circuit | |
| 759. |
Find the unknown resistance value in given circuit. |
| A. | 10.2Ω |
| B. | 11.7Ω |
| C. | 10.5Ω |
| D. | 11.5Ω |
| Answer» B. 11.7Ω | |
| 760. |
The relation between the resistances in the given Wheatstone bridge circuit is _____________ |
| A. | P/S = R/Q |
| B. | PR = QS |
| C. | P/Q = R/S |
| D. | PQ = RS |
| Answer» D. PQ = RS | |
| 761. |
The Wheatstone Bridge is mainly used to measure ______________ |
| A. | Currents |
| B. | Voltages |
| C. | Node potentials |
| D. | Resistances |
| Answer» E. | |
| 762. |
If the flow rate of coolants is increased in the fluidized bed, how will it effect the film formation? |
| A. | Time duration of film formation will decreased |
| B. | No effect |
| C. | Time duration for film formation increases |
| D. | None of the mentioned |
| Answer» B. No effect | |
| 763. |
In below fig, if the coolants are not present in the fluidized bed, how will it effect the film formation? |
| A. | Molten plastic will drip down from the metal ware |
| B. | No effect on the film formation |
| C. | Increases the cooling the period |
| D. | None of the mentioned |
| Answer» B. No effect on the film formation | |
| 764. |
What is the time required for complete coating to take place in the fluidized bed? |
| A. | 2-3 sec |
| B. | 5-10 sec |
| C. | 1 sec |
| D. | 20 sec |
| Answer» B. 5-10 sec | |
| 765. |
What are the disadvantages of recombinant protein or polypeptide vaccines? |
| A. | High cost and storage |
| B. | Storage and transportation |
| C. | Transportation and cost |
| D. | Cost, transportation, storage |
| Answer» E. | |
| 766. |
Which polypeptide of cholera enterotoxin is nontoxic but immunogenic? |
| A. | A1 |
| B. | A2 |
| C. | B |
| D. | B1 |
| Answer» D. B1 | |
| 767. |
Generally, the whole protein molecule is necessary for immunogenicity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 768. |
The HPV protein-encoding genes are expressed in _______ vectors to create large amounts of protein. |
| A. | Bacteria |
| B. | Yeast |
| C. | Virus |
| D. | Protozoa |
| Answer» C. Virus | |
| 769. |
Gardasil protects against which of the HPV types _________ |
| A. | HPV- 6, 11, 16, 18 |
| B. | HPV – 5, 6, 16, 18 |
| C. | HPV – 1, 2, 5, 11 |
| D. | HPV – 1, 2, 16, 18 |
| Answer» B. HPV – 5, 6, 16, 18 | |
| 770. |
GARDASIL is an example of ____________ |
| A. | DNA vaccines |
| B. | Recombinant vector vaccines |
| C. | Live vector vaccines |
| D. | RNA vaccines |
| Answer» C. Live vector vaccines | |
| 771. |
Virus proteins have been expressed in _______________ |
| A. | Bacterial and yeast cells |
| B. | Yeast and mammalian cells |
| C. | Mammalian cells |
| D. | Mammalian, yeast and bacterial cells |
| Answer» E. | |
| 772. |
Who developed the Hepatitis B vaccine? |
| A. | Pasteur |
| B. | Salk |
| C. | Jenner |
| D. | Pablo DT Valenzuela |
| Answer» E. | |
| 773. |
The only recombinant vaccine that proved highly effective and is currently approved for human use is the vaccine against __________ |
| A. | Rubella virus |
| B. | Poxvirus |
| C. | HPV infection |
| D. | Dengue virus |
| Answer» D. Dengue virus | |
| 774. |
DPT is a combination vaccination. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 775. |
Name of the line PR and QT If X, Y – are represented in mole ratio |
| A. | Interface line |
| B. | Driving force line |
| C. | Parallel line |
| D. | Normal line |
| Answer» C. Parallel line | |
| 776. |
If the whole liquid and gas flow rates are same, we can use the mole fraction for getting a straight operating line |
| A. | True |
| B. | False |
| Answer» B. False | |
| 777. |
The operating line will be straight if its concentrations are represented in mole ratio. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 778. |
Find the abscissa and ordinates of the graphIf X,Y –Concentration in mole ratiox,y- Concentration in mole fraction |
| A. | X,y |
| B. | X,Y |
| C. | x,y |
| D. | x,Y |
| Answer» D. x,Y | |
| 779. |
The figure given below is a single stage ideal co- current process of solute transfer from liquid to gas phases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 780. |
In a concurrent process, the entering and leaving stream of the liquid phase concentrations in terms mole ratio is 0.25 and 0.45 also the entering and leaving stream concentration of the gas phase in terms mole ratio is 0.4 and 0.6Find the slope of the operating line. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 781. |
Find the operating line slopeWhere, X,Y- concentration in mole ratio of liquid and gas phase x,y-concentration in mole fraction Gs,Ls- mole free basis( non-diffusing solvent) |
| A. | Ls/Gs |
| B. | –Ls/Gs |
| C. | Gs/Ls |
| D. | –Gs/Ls |
| Answer» C. Gs/Ls | |
| 782. |
Look out the figure belowAt the position (X), which of the following will be remains same as it enters into the process. |
| A. | Non-diffusing solvent |
| B. | Non-diffusing solute |
| C. | Diffusing solvent |
| D. | Diffusing solute |
| Answer» B. Non-diffusing solute | |
| 783. |
In a certain process, there is a variation in the driving force between the phases, such a process is |
| A. | Batch process |
| B. | Semi-batch process |
| C. | Continuous process |
| D. | Isothermal process |
| Answer» B. Semi-batch process | |
| 784. |
In the marine nitrogen cycle, _________ performs nitrogen fixation. |
| A. | Cyanobacteria |
| B. | Nitrobactor |
| C. | Pseudomonas |
| D. | Diazotrophs |
| Answer» B. Nitrobactor | |
| 785. |
How many steps are involved in the sulphur cycle? |
| A. | 5 |
| B. | 6 |
| C. | 10 |
| D. | 8 |
| Answer» C. 10 | |
| 786. |
In water cycle, the process can be explained in equation form as Evaporation + __________ = Precipitation |
| A. | Infiltration |
| B. | Ground water |
| C. | Transpiration |
| D. | Run-off |
| Answer» E. | |
| 787. |
Living organisms can use Nitrogen (N2) as it occurs in the atmosphere. |
| A. | True |
| B. | False |
| Answer» C. | |
| 788. |
The carbon cycle has how many parts? |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 4 |
| Answer» B. 3 | |
| 789. |
Calculate mark to space ratio if the system is on for 5 sec and off for 10 sec. |
| A. | 0.5 |
| B. | .4 |
| C. | .2 |
| D. | .6 |
| Answer» D. .6 | |
| 790. |
The slope of the V-I curve is 60°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line. |
| A. | 1.732 Ω |
| B. | 1.608 Ω |
| C. | 1.543 Ω |
| D. | 1.648 Ω |
| Answer» B. 1.608 Ω | |
| 791. |
Calculate the value of the frequency if the time period of the signal is 20 sec. |
| A. | 0.05 Hz |
| B. | 0.04 Hz |
| C. | 0.02 Hz |
| D. | 0.03 Hz |
| Answer» B. 0.04 Hz | |
| 792. |
What is the unit of resistance? |
| A. | ohm |
| B. | ohm-1 |
| C. | ohm2 |
| D. | ohm5 |
| Answer» B. ohm-1 | |
| 793. |
Which of the theorems helps in the calculation of the moment of inertia? |
| A. | The theorem of Parallel and Perpendicular axes |
| B. | The theorem of Horizontal and Perpendicular axes |
| C. | The theorem of Vertical and Perpendicular axes |
| D. | The theorem of Parallel and Tilted axes |
| Answer» B. The theorem of Horizontal and Perpendicular axes | |
| 794. |
Calculate the moment of inertia of the egg having a mass of 7 kg and radius of 44 cm. |
| A. | .968 kgm2 |
| B. | 1.454 kgm2 |
| C. | 1.545 kgm2 |
| D. | 1.552 kgm2 |
| Answer» E. | |
| 795. |
The unit of the moment of inertia is Kgm2. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 796. |
The generated e.m.f from 50-pole armature having 400 conductors driven at 20 rev/sec having flux per pole as 30 mWb, with lap winding is ___________ |
| A. | 230 V |
| B. | 140 V |
| C. | 240 V |
| D. | 250 V |
| Answer» D. 250 V | |
| 797. |
What is the formula for the moment of inertia? (m – a mass of the body, r – distance from the axis of the rotation) |
| A. | ∑miri2 |
| B. | ∑miri |
| C. | ∑miri4 |
| D. | ∑miri3 |
| Answer» B. ∑miri | |
| 798. |
The films made by copolymer of ethylene and ethyl acrylate are of much better quality than the films made by normal LDPE. State true or false. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 799. |
What is the range of melting or softening temperature of high density polyethylene? |
| A. | 125-135 ᵒC |
| B. | 110-117 ᵒC |
| C. | 90-110 ᵒC |
| D. | 118-120 ᵒC |
| Answer» B. 110-117 ᵒC | |
| 800. |
LDPE has a superior degree of toughness, stiffness, stress cracking resistance and electrical properties than LLDPE. State true or false. |
| A. | true |
| B. | false |
| Answer» C. | |