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.
| 4701. |
A heating unit is made in the form of a vertical tube of 50 mm outside diameter and 1.2 m height. The tube is fitted with 20 steel fins of rectangular section with height 40 mm and thickness 2.5 mm. The temperature at the base of fin is 75 degree Celsius, the surrounding air temperature is 20 degree Celsius and the heat transfer coefficient between the fin as well as the tube surface and the surrounding air is 9.5 W/m2 K. If thermal conductivity of the fin material is 55 W/m K, find the amount of heat transferred from the tube without fin |
| A. | 98.44 W |
| B. | 88.44 W |
| C. | 78.44 W |
| D. | 68.44 W |
| Answer» B. 88.44 W | |
| 4702. |
Which of the following represents bridge-T filter? |
| A. | Band pass filter |
| B. | Low pass filter |
| C. | High pass filter |
| D. | Band reject filter |
| Answer» E. | |
| 4703. |
What is P-N stress for a dislocation of width 5b? |
| A. | 0 |
| B. | G |
| C. | G/400 |
| D. | G/10<sup>14</sup> |
| Answer» E. | |
| 4704. |
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 | |
| 4705. |
What is temporal learning? |
| A. | concerned with capturing input-output relationship in patterns |
| B. | concerned with capturing weight relationships |
| C. | both weight & input-output relationships |
| D. | none of the mentioned |
| Answer» C. both weight & input-output relationships | |
| 4706. |
An 8microF capacitor is connected in series with a 0.5 megaohm resistor. The DC voltage supply is 200V. Calculate the voltage in the capacitor 4s after the power is supplied. |
| A. | 123.4V |
| B. | 126.4V |
| C. | 124.5V |
| D. | 132.5V |
| Answer» C. 124.5V | |
| 4707. |
When two wires of different material are joined together at either ends, forming two junctions which are maintained at different temperature, a thermo-motive force is generated causing a current to flow around the circuit. This arrangement is called ___________ |
| A. | thermal pair |
| B. | thermistor |
| C. | thermocouple |
| D. | thermostat |
| Answer» D. thermostat | |
| 4708. |
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as |
| A. | turning pair |
| B. | rolling pair |
| C. | sliding pair |
| D. | spherical pair |
| Answer» B. rolling pair | |
| 4709. |
The server program tells its TCP that it is ready to accept a connection. This process is called ___________ |
| A. | Active open |
| B. | Active close |
| C. | Passive close |
| D. | Passive open |
| Answer» E. | |
| 4710. |
With respect to the solenoid model of nucleosome, which of the following is true? |
| A. | Helical model |
| B. | 8 nucleosomes per turn |
| C. | Structure supported by X – ray diffraction |
| D. | Helical pitch of approximately 13 nm |
| Answer» D. Helical pitch of approximately 13 nm | |
| 4711. |
Choose the wrong answer. |
| A. | The A base saves the 5’-P of the intron by forming bond which saves requirement of ATP |
| B. | The 5’-P attacks the 3’-OH of the intron |
| C. | In self splicing group I G base makes this lariet structure |
| D. | Group II self-splicing RNA splices better when proteins are added |
| Answer» D. Group II self-splicing RNA splices better when proteins are added | |
| 4712. |
The correct syntax for any logical shift operator like SLL and SRL is_____ |
| A. | bit_vector_operand <OPERATOR> integer_operand |
| B. | integer_operand <OPERATOR> bit_vector_operand |
| C. | std_logic_operand <OPERATOR> integer_operand |
| D. | integer_operand <OPERATOR> std_logic_operand |
| Answer» B. integer_operand <OPERATOR> bit_vector_operand | |
| 4713. |
________ connects right and left sides of the spinal cord. |
| A. | Cerebrospinal fluid barrier |
| B. | Spinal nerves |
| C. | Gray commissure |
| D. | Subarachnoid space |
| Answer» D. Subarachnoid space | |
| 4714. |
The amount of a particular crystalline phase in a mixture may be determined by which of the following method? |
| A. | X-ray powder diffraction |
| B. | Qualitative phase analysis |
| C. | Quantitative phase analysis |
| D. | X-ray powder refraction |
| Answer» D. X-ray powder refraction | |
| 4715. |
From above fig, if the inlet and outlet of solids are interchanged how would it impact the process? |
| A. | No effect on the process |
| B. | Practically not possible |
| C. | Will require pumps |
| D. | Leads to entrainment of solids by increasing air flow rate |
| Answer» E. | |
| 4716. |
How many complex multiplications are required to compute X(k)? |
| A. | N(N+1) |
| B. | N(N-1)/2 |
| C. | N2/2 |
| D. | N(N+1)/2 |
| Answer» E. | |
| 4717. |
Which of the following statement is used in structural modeling? |
| A. | portmap() |
| B. | process() |
| C. | if-else |
| D. | case |
| Answer» B. process() | |
| 4718. |
In Linked List implementation, a node carries information regarding |
| A. | Data |
| B. | Link |
| C. | Data and Link |
| D. | None of the mentioned |
| Answer» C. Data and Link | |
| 4719. |
For an object i.e. spherical the value of critical radius would be |
| A. | 2k/3h |
| B. | 3k/h |
| C. | 2k/h |
| D. | k/h |
| Answer» D. k/h | |
| 4720. |
The other name for instar learning law? |
| A. | looser take it all |
| B. | winner take it all |
| C. | winner give it all |
| D. | looser give it all |
| Answer» C. winner give it all | |
| 4721. |
For covalent molecules, van der Waals radius is always greater than a covalent radius. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4722. |
Mobility of the solid lubricants on the adsorbents promotes _____ |
| A. | Self-healing |
| B. | Maintain the molecular structure |
| C. | Ineffectiveness |
| D. | Effectiveness |
| Answer» B. Maintain the molecular structure | |
| 4723. |
In the RCL instruction, the contents of the destination operand undergo function as |
| A. | carry flag is pushed into LSB & MSB is pushed into the carry flag |
| B. | carry flag is pushed into MSB & LSB is pushed into the carry flag |
| C. | auxiliary flag is pushed into LSB & MSB is pushed into the carry flag |
| D. | parity flag is pushed into MSB & LSB is pushed into the carry flag |
| Answer» B. carry flag is pushed into MSB & LSB is pushed into the carry flag | |
| 4724. |
How many molecules of glucose-6-phosphate are regenerated in pentose-phosphate pathway? |
| A. | 3 |
| B. | 2 |
| C. | 5 |
| D. | 4 |
| Answer» D. 4 | |
| 4725. |
IS Code of practice for plain and reinforced concrete. |
| A. | IS 269:1989 |
| B. | IS 383:197 |
| C. | IS 455:1989 |
| D. | IS 456:2000 |
| Answer» E. | |
| 4726. |
If the resistors of star connected system are R1, R2, R3 then the resistance between 1 and 2 in delta connected system will be? |
| A. | (R<sub>1</sub>R<sub>2</sub>+ R<sub>2</sub>R<sub>3</sub>+ R<sub>3</sub>R<sub>1</sub>)/R<sub>3</sub> |
| B. | (R<sub>1</sub>R<sub>2</sub>+ R<sub>2</sub>R<sub>3</sub>+ R<sub>3</sub>R<sub>1</sub>)/R<sub>1</sub> |
| C. | (R<sub>1</sub>R<sub>2</sub>+ R<sub>2</sub>R<sub>3</sub>+ R<sub>3</sub>R<sub>1</sub>)/R<sub>2</sub> |
| D. | (R<sub>1</sub>R<sub>2</sub>+ R<sub>2</sub>R<sub>3</sub>+ R<sub>3</sub>R<sub>1</sub>)/(R<sub>1</sub>+R<sub>2</sub>) |
| Answer» B. (R<sub>1</sub>R<sub>2</sub>+ R<sub>2</sub>R<sub>3</sub>+ R<sub>3</sub>R<sub>1</sub>)/R<sub>1</sub> | |
| 4727. |
Centrifugal head in Outward flow reaction turbine _____________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | Gradually decreases |
| Answer» B. Decreases | |
| 4728. |
Out of the following, which one is not the inhibitor of the electron transport chain? |
| A. | Rotenone |
| B. | Antimycin A |
| C. | Cyanide |
| D. | Malonate |
| Answer» E. | |
| 4729. |
What is the cross-sectional shape of a thermoplastic welding rod? |
| A. | Triangular |
| B. | Hexagonal |
| C. | Square |
| D. | Pentagonal |
| Answer» B. Hexagonal | |
| 4730. |
What is the electric field intensity at a distance of 20cm from a charge 2 X 10-6 C in vacuum? |
| A. | 250,000 |
| B. | 350,000 |
| C. | 450,000 |
| D. | 550,000 |
| Answer» D. 550,000 | |
| 4731. |
The subset construction shows that every NFA accepts a |
| A. | String |
| B. | Function |
| C. | Regular language |
| D. | Context-free language |
| Answer» D. Context-free language | |
| 4732. |
Which of the following does not denotes the flavor profile of homogenized milk? |
| A. | Richer than unhomogenized milk |
| B. | Smoother than unhomogenized milk |
| C. | Creamier than unhomogenized milk |
| D. | Bitter |
| Answer» E. | |
| 4733. |
When a generator assumes responsibility for product object creation in a factory method,which of the following capabilities become available? |
| A. | Access to product constructors can be restricted |
| B. | Private data can be provided to new product objects |
| C. | Product objects can be configured after creation |
| D. | All of the mentioned |
| Answer» E. | |
| 4734. |
What is missing in the localizer coupling loop? |
| A. | Flight computer |
| B. | ILS Localizer receiver |
| C. | ILS glide path receiver |
| D. | ILS Localizer transmitter |
| Answer» C. ILS glide path receiver | |
| 4735. |
Zero initial condition for a system means |
| A. | Input reference signal is zero |
| B. | Zero stored energy |
| C. | Initial movement of moving parts |
| D. | System is at rest and no energy is stored in any of its components |
| Answer» E. | |
| 4736. |
Calculate the ratio of the concentrations of acetate and acetic acid required in a buffer system of pH 5.30. |
| A. | 3.2 |
| B. | 3.3 |
| C. | 3.4 |
| D. | 3.5 |
| Answer» E. | |
| 4737. |
Which operators are used when a subquery returns multiple rows to be evaluated in comparison to the outer query? |
| A. | IN and NOT IN |
| B. | EXISTS and NOT EXISTS |
| C. | OUTER JOIN and INNER JOIN |
| D. | LEFT JOIN and RIGHT JOIN |
| Answer» B. EXISTS and NOT EXISTS | |
| 4738. |
The number of bacteria per ml depends on the dilution of the sample. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4739. |
How many tangents can be drawn from a point outside a given circle? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 4740. |
What is SI unit of shear stress? |
| A. | Pa |
| B. | N |
| C. | psi |
| D. | gm.cm<sup>-1</sup>s<sup>-2</sup> |
| Answer» B. N | |
| 4741. |
In actual gas turbine mechanical energy is converted into heat by _________ |
| A. | none of the mentioned |
| B. | frictional losses in compressor |
| C. | no mechanical energy is converted into heat energy |
| D. | friction between piston and cylinder |
| Answer» E. | |
| 4742. |
Which among the following is not a physical method: |
| A. | X-ray fluorescence spectroscopy |
| B. | Atomic emission spectroscopy |
| C. | Inert gas fusion |
| D. | Trace element analysis |
| Answer» D. Trace element analysis | |
| 4743. |
Clays are what type of binders? |
| A. | Organic |
| B. | Patented |
| C. | Inorganic |
| D. | Other binders |
| Answer» D. Other binders | |
| 4744. |
An ecosystem which can be easily damaged but can recovered after some time if damaging effect stops will be having ____________________ |
| A. | High stability and high resilience |
| B. | High stability and low resilience |
| C. | Low stability and low resilience |
| D. | Low stability and high resilience |
| Answer» E. | |
| 4745. |
Which of the box is retained in mature mRNA? |
| A. | TATA box |
| B. | Pribnow box |
| C. | G/U box |
| D. | AU box |
| Answer» E. | |
| 4746. |
The waviness can be seen in the formed product if unformed areas are less than _____ wide. |
| A. | 100 mm |
| B. | 120 mm |
| C. | 125 mm |
| D. | 150 mm |
| Answer» D. 150 mm | |
| 4747. |
Efficiency of actual screens is always _____ |
| A. | > 1 |
| B. | < 1 |
| C. | = 1 |
| D. | = 0 |
| Answer» C. = 1 | |
| 4748. |
Cannula acts like an access point for _________ |
| A. | catheters |
| B. | syringe |
| C. | scalpel |
| D. | mes |
| Answer» B. syringe | |
| 4749. |
Which of the following are not a part of PL/SQL |
| A. | Triggers |
| B. | Packages |
| C. | Functions |
| D. | None of the mentioned |
| Answer» E. | |
| 4750. |
Is LISP a case sensitive language. |
| A. | Yes |
| B. | No |
| Answer» C. | |