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This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
Amplification of low level signal can be done using |
| A. | Electrometer amplifier |
| B. | Difference amplifier |
| C. | Inverting amplifier |
| D. | Non inverting amplifier |
| Answer» B. Difference amplifier | |
| 452. |
When a second order high pass filter and second order low pass sections are cascaded, theresultant filter is a |
| A. | ±80dB/decade band-pass filter |
| B. | ±40dB/decade band-pass filter |
| C. | ±20dB/ decade band-pass filter |
| D. | None of the mentioned |
| Answer» C. ±20dB/ decade band-pass filter | |
| 453. |
Palsied muscles mean |
| A. | paralyzed muscles |
| B. | active muscles |
| C. | voluntary muscles |
| D. | involuntary muscles |
| Answer» B. active muscles | |
| 454. |
Blood is stained with stain. |
| A. | Methylene blue |
| B. | Safranin |
| C. | Leishman stain |
| D. | Carbol fuchsine |
| Answer» D. Carbol fuchsine | |
| 455. |
Which of the following interpreter can diagnose various muscular disorders by listening tothe sounds produced when the muscle potentials are fed to loudspeaker? |
| A. | EEG |
| B. | ECG |
| C. | VCG |
| D. | EMG |
| Answer» E. | |
| 456. |
Which of the following instrument is used for recording the sounds connected with thepumping action of the heart? |
| A. | ECG |
| B. | VCG |
| C. | PCG |
| D. | EEG |
| Answer» D. EEG | |
| 457. |
The impedance of the input should be in order to obtain high CMRR in thedifferential amplifier. |
| A. | low |
| B. | High |
| C. | Does not matter |
| D. | Very low |
| Answer» C. Does not matter | |
| 458. |
What is the device that converts the balanced line to an unbalanced line called? |
| A. | Unbalancer |
| B. | Balancer |
| C. | Balun |
| D. | Equalizer |
| Answer» D. Equalizer | |
| 459. |
Vitamin essential for blood clotting is |
| A. | Vitamin K |
| B. | Vitamin A |
| C. | Vitamin B |
| D. | Vitamin C |
| Answer» B. Vitamin A | |
| 460. |
Who described the new acoustic sensor? |
| A. | Golden et al |
| B. | Rijn et al |
| C. | Levkov et al |
| D. | Kassal et al |
| Answer» E. | |
| 461. |
Blood pressure is the pressure exerted by blood against |
| A. | kidneys |
| B. | artery walls |
| C. | brain |
| D. | stomach |
| Answer» C. brain | |
| 462. |
The most common placement of the leads from the Einthoven’s triangle is |
| A. | Positive Left Arm and Negative Right Arm |
| B. | Positive Left Leg and Negative Right Arm |
| C. | Positive Left Leg and Negative Left Arm |
| D. | Positive Right Arm and Negative Left Leg |
| Answer» C. Positive Left Leg and Negative Left Arm | |
| 463. |
Which of the following represent the concentration of a solution? |
| A. | Only free ions |
| B. | Only bound ions |
| C. | Free ions and bound ions |
| D. | Either free ions or bound ions |
| Answer» D. Either free ions or bound ions | |
| 464. |
The value of emitter resistance in Emitter Biased circuit are RE1=25kΩ & RE2=16kΩ. Find RE |
| A. | 9.756kΩ |
| B. | 41kΩ |
| C. | 9.723kΩ |
| D. | 10kΩ |
| Answer» B. 41kΩ | |
| 465. |
From equipment point of view, the respiratory system in the human body is a system. |
| A. | hydraulic |
| B. | pneumatic |
| C. | mechanical |
| D. | electrical |
| Answer» C. mechanical | |
| 466. |
Glass microcapillaries are preferred over metallic electrodes because of the former |
| A. | polarizes with input current |
| B. | does not have sustainable current carrying capacity |
| C. | has less contact surface area |
| D. | has sustainable current carrying capacity |
| Answer» E. | |
| 467. |
For an ideal op-amp, zero input results in zero output. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 468. |
The characteristic impedance of a transmission line is normally chosen to be |
| A. | 50 |
| B. | 75 |
| C. | 50 or 75 d) 100 |
| Answer» D. | |
| 469. |
Cleaning process gives accuracy and long life. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 470. |
The blood is a poor conductor of electricity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 471. |
Which of the following devices/ methods do not use a cuff? |
| A. | Rheographic Method |
| B. | Automatic Blood Pressure Measuring using Korotkoff method |
| C. | Oscillometric Measurement Method |
| D. | Continuous Slow Flow Flushing Method |
| Answer» E. | |
| 472. |
Number of cloud deployment models that are recognized are |
| A. | 2 |
| B. | 5 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 473. |
In a Single Input Balanced Output Differential amplifier, given VCC=15v, RE = 3.9kΩ,VCE=2.4 v and re=250Ω. Determine Voltage gain |
| A. | 26 |
| B. | 56 |
| C. | 38 |
| D. | 61 |
| Answer» B. 56 | |
| 474. |
Which of the following is the purpose of the beam splitter in double beam photometer orcolorimeter? |
| A. | Splits beam into two equal intensity beams |
| B. | Splits beam in such a way that sample beam has higher intensity |
| C. | Splits beam in such a way that a reference beam has higher intensity |
| D. | Merge two equal intensity beams into single beam |
| Answer» B. Splits beam in such a way that sample beam has higher intensity | |
| 475. |
Source of Bioelectric potential is in nature. |
| A. | electronic |
| B. | electric |
| C. | ionic |
| D. | mechanical |
| Answer» D. mechanical | |
| 476. |
What is the thickness of the new acoustic sensor? |
| A. | 0.25 mm |
| B. | 0.5 mm |
| C. | 1.0 mm |
| D. | 1.5 mm |
| Answer» D. 1.5 mm | |
| 477. |
Blood pressure measurement can be classified in major way(s). |
| A. | 2 |
| B. | 5 |
| C. | 7 |
| D. | 10d |
| Answer» B. 5 | |
| 478. |
Which of the following electrode is manufactured by circumferential application of heat to asmall area of glass tubing and pulling the glass when it gets soft? |
| A. | macro metallic electrodes |
| B. | micro metallic electrodes |
| C. | micro pipette |
| D. | surface electrodes |
| Answer» D. surface electrodes | |
| 479. |
Monopolar needle electrodes are having coatings of which material over the stainless steelwires which are bare only at the tips? |
| A. | carbon |
| B. | calcium |
| C. | sodium |
| D. | teflon |
| Answer» E. | |
| 480. |
Electrode paste |
| A. | increases contact impedance |
| B. | equates contact impedance |
| C. | reduces contact impedance |
| D. | absorbs contact impedance |
| Answer» D. absorbs contact impedance | |
| 481. |
Process of formation of blood corpuscles is called |
| A. | Haemolysis |
| B. | Haemozoin |
| C. | Haemopoesis |
| D. | Haemoter |
| Answer» D. Haemoter | |
| 482. |
What is the frequency range of sound produced at the closure of aortic and pulmonic valves? |
| A. | less than 0 Hz |
| B. | 0 to 30 Hz |
| C. | 30 to 100 Hz |
| D. | above 100 Hz |
| Answer» E. | |
| 483. |
Off-set potential is |
| A. | difference in half-cell potentials between two electrodes |
| B. | sum of half-cell potentials between two electrodes |
| C. | average of half-cell potentials between two electrodes |
| D. | complement of half-cell potentials between two electrodes |
| Answer» B. sum of half-cell potentials between two electrodes | |
| 484. |
What prevents the clotting of blood inside blood vessels? |
| A. | Heparin |
| B. | Serotonin |
| C. | Fibrinogen |
| D. | Fibrin |
| Answer» B. Serotonin | |
| 485. |
Absence of which clotting factor leads to Hemophilia-A? |
| A. | Factor VII |
| B. | Factor VIII |
| C. | Factor IX |
| D. | Factor X |
| Answer» C. Factor IX | |
| 486. |
When intramuscular EMG is required to look into the electrical activities of deeper or overlaidmuscles, electrodes are used. |
| A. | plate shape electrodes |
| B. | surface electrodes |
| C. | thin thread electrodes |
| D. | fine wire electrodes |
| Answer» E. | |
| 487. |
is a vectorial representation of the distribution of electric potentials generated byheart. |
| A. | EEG |
| B. | ECG |
| C. | PCG |
| D. | VCG |
| Answer» E. | |
| 488. |
Acoustic sensor principal sensing component is made up of which polymer? |
| A. | PEO(Poly-ethylene oxide) |
| B. | PET(Poly-ethylene tetraphthalate) |
| C. | PVDF(Poly-vinylidene fluoride) |
| D. | PS(Poly-styrene) |
| Answer» D. PS(Poly-styrene) | |
| 489. |
What is included in the system to facilitate playback and study of EMG sound waveforms at alater convenient time? |
| A. | Preamplifier |
| B. | Oscilloscope |
| C. | Tape Recorder |
| D. | Ground Electrode |
| Answer» D. Ground Electrode | |
| 490. |
waves have short wave-length. |
| A. | Microwave |
| B. | Radio wave |
| C. | Gamma rays |
| D. | IR waves |
| Answer» D. IR waves | |
| 491. |
The contraction of the skeletal muscles results in the generation of action potential in theindividual muscle fibers. Record of this action potential is called |
| A. | ECG |
| B. | EMG |
| C. | EEG |
| D. | EKG |
| Answer» C. EEG | |
| 492. |
In 741 IC, pin number 4 is represented by |
| A. | Offset null |
| B. | Positive input |
| C. | Negative input |
| D. | Negative supply |
| Answer» E. | |
| 493. |
The normal BP cuff using instrument is called as |
| A. | Spirometer |
| B. | Sphygmomanometer |
| C. | Stethoscope |
| D. | Oscilloscope |
| Answer» C. Stethoscope | |
| 494. |
Disturbance in the EEG pattern resulting from the external stimuli is called |
| A. | provoked response |
| B. | ckoored response |
| C. | evoked response |
| D. | impulse response |
| Answer» D. impulse response | |
| 495. |
The principal ion that is not involved with the phenomena of producing cell potentials is |
| A. | sodium |
| B. | potassium |
| C. | chlorine |
| D. | hydrogen |
| Answer» E. | |
| 496. |
Do metallic micro electrodes exist. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 497. |
Needle electrode is used to measure |
| A. | EKG |
| B. | EEG |
| C. | EOG |
| D. | EMG |
| Answer» E. | |
| 498. |
The power of the transmitter with a radiation resistance of 12 ohm and an antenna currentof 3.5A is |
| A. | 147 |
| B. | 741 |
| C. | 174 |
| D. | 471 |
| Answer» B. 741 | |
| 499. |
In which part of the apparatus is the reference and ion selective electrodes placed? |
| A. | Head tank |
| B. | Flow cell |
| C. | Reservoir |
| D. | Solenoid valve |
| Answer» C. Reservoir | |
| 500. |
The characteristic impedance of a quarter wave transformer with load and inputimpedances given by 30 and 75 respectively is |
| A. | 47.43 |
| B. | 37.34 |
| C. | 73.23 |
| D. | 67.45 |
| Answer» B. 37.34 | |