1.

At what angle divergent beam is transmitted by a crystal in array transducer?(a) 10°(b) 20°(c) 30°(d) 40°I have been asked this question during an interview.I'm obligated to ask this question of Oximeters topic in portion Oximeters of Biomedical Instrumentation

Answer»

Right ANSWER is (d) 40°

The explanation: An alternative arrangement is the array transducer which has one TRANSMITTER and six peripheral ceramic receiving crystals. The transmitting crystal EMITS a 40° divergent BEAM so that at 10 cm from the skin surface the beam covers an area of approximately 10 cm diameter.



Discussion

No Comment Found

Related InterviewSolutions