MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Strain gauge is used to measure ______________ |
| A. | temperature |
| B. | pressure |
| C. | height |
| D. | displacement |
| Answer» C. height | |
| 2. |
Compensation for temperature variation in the leads can be provided by using ________ lead method. |
| A. | six |
| B. | four |
| C. | three |
| D. | two |
| Answer» D. two | |
| 3. |
Gauge factor is defined as _______________ |
| A. | (incremental change in resistance due to stress/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) |
| B. | (incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) |
| C. | (incremental change in resistance due to stress/resistance of an unstretched wire)*(incremental change in length/unstretched length of wire) |
| D. | (resistance of an unstretched wire/incremental change in resistance due to stress)*(unstretched length of wire/incremental change in length)l |
| E. | *(unstretched length of wire/incremental change in length)b) (incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length)c) (incremental change in resistance due to stress/resistance of an unstretched wire)*(incremental change in length/unstretched length of wire)d) (resistance of an unstretched wire/incremental change in resistance due to stress)*(unstretched length of wire/incremental change in length)l |
| Answer» B. (incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) | |
| 4. |
The figure of merit which describes the overall behaviour of the wire under stress is determined from? |
| A. | elastic modulus |
| B. | gauge factor |
| C. | elastic factor |
| D. | gauge resistance |
| Answer» C. elastic factor | |
| 5. |
Piezo-electricity is ______________ |
| A. | sound electricity |
| B. | pressure electricity |
| C. | temperature electricity |
| D. | photo electricity |
| Answer» C. temperature electricity | |
| 6. |
COMPENSATION_FOR_TEMPERATURE_VARIATION_IN_THE_LEADS_CAN_BE_PROVIDED_BY_USING__________LEAD_METHOD.?$ |
| A. | six |
| B. | four |
| C. | three |
| D. | two |
| Answer» D. two | |
| 7. |
Strain gauge is used to measure ______________$ |
| A. | temperature |
| B. | pressure |
| C. | height |
| D. | displacement |
| Answer» C. height | |
| 8. |
Gauge factor is defined as ______________? |
| A. | (incremental change in resistance due to stress/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) |
| B. | (incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) |
| C. | (incremental change in resistance due to stress/resistance of an unstretched wire)*(incremental change in length/unstretched length of wire) |
| D. | (resistance of an unstretched wire/incremental change in resistance due to stress)*(unstretched length of wire/incremental change in length)l |
| Answer» B. (incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length) | |
| 9. |
On applying pressure to piezo-electric crystal, electricity is not generated. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Principle behind strain gauge is _____________ |
| A. | variable resistance |
| B. | variable inductance |
| C. | variable capacitance |
| D. | variable contact area |
| Answer» B. variable inductance | |
| 11. |
Which of the following is a material employed making diaphragm to measure pressure? |
| A. | tourmaline |
| B. | barium titanate |
| C. | phosphor bronze |
| D. | zirconate titanate |
| Answer» D. zirconate titanate | |
| 12. |
On applying electricity to piezo-electric material mechanical deformation occurs in the material. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Piezo-electricity is ____ |
| A. | sound electricity |
| B. | pressure electricity |
| C. | temperature electricity |
| D. | photo electricity |
| Answer» C. temperature electricity | |
| 14. |
Which of the following is not a piezo-electric material? |
| A. | quartz |
| B. | rochelle salt |
| C. | aluminium |
| D. | barium titanate |
| Answer» B. rochelle salt | |