

MCQOPTIONS
Saved Bookmarks
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 | |