Papersmaster01

Refer to figure, If load resistance R2 is reduced by half, what happens to the zener diode? - ANSWERSZener current will decrease Refer to the figure, the zener diode is designed to breakdown at 6VDC. What is the voltage drop across resistor 1, with a constant DC supply of 10 VDC? - ANSWERS4V An elevators motor rotates at 1200 rpm at contract speed and is geared at a ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive sheave in rpms? - ANSW...

In capacitors, what is the purpose of the dielectric? - ANSWERSPrevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - ANSWERSCurrent leads voltage all the time What describes a capacitor s ability to store an electrical charge? - ANSWERSCapacitance which of the following statements is correct about polarized electrolytic capacitors? - ANSWERSVoltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 mic...

Zener current will decrease - ANSWERSRefer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? 4v - ANSWERSRefer to figure 1. The zener diode is designed to breakdown at 6VDC what is the voltage drop across R1 with a constant DC supply of 10VDC 30 rpm - ANSWERSAn elevators motor rotates at 1200 rpm at contract speed and is geard at a ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive sheave ...

when a cam or vane is moved close to a magnetic levleing switch what occurs? - ANSWERSthe switch changes its satate what is meant by the normal state of relay contacts? - ANSWERScontact state without current applied to the coil what type of wave form is generated by two pole ac generator in one complete revolution? - ANSWERSone full AC cycle what defines the the period of a ac waveform ? - ANSWERSthe time it takes to complete one full cycle . what is the period of a 120 hz - ANSWERS....

A concussion is a... - ANSWERSfunctional injury A concussion is not identifiable on... - ANSWERSstandard imaging (CT or MRI) Concussion evaluation - balance - ANSWERSbalance error scoring system; 6 total trials; 3 stances, 2 surfaces; 20 second trials; eyes closed hands on hips Concussion evaluation - neurocognitive testing - ANSWERSPEARL = pupils, equal, and, reactive to, light Concussion care: TO DO - ANSWERSuse tylenol, use ice pack, sleep/rest Concussion care: DO NOT - ANSWERS...

types of burns - ANSWERSthermal chemical electrical radiation depth of burns - ANSWERS1st Degree (Superficial) 2nd Degree (Partial thickness) 3rd Degree (Full thickness) critical burn if... - ANSWERS-covers most of body -respiratory difficulty -other types from thermal -burn to mouth, neck, head, face, nose, hands, feet, gentials -to a child or elderly person rule of nines - ANSWERSA system that assigns percentages to sections of the body, allowing calculation of the amount of ...

functions of the foot - ANSWERSweight bearing absorb impact loading forces adapt to uneven grounds allow efficient propulsion (pushing off) how many bones are in the foot? - ANSWERS28 forefoot midfoot rearfoot - ANSWERSphalanges/metatarsals (sesamoids) 5 tarsals talus/calcaneus roles of arches 4 types (1 main one) - ANSWERSassist foot in supporting body weight/absorb shock of weight bearing medial longitudinal, lateral longitudinal, transverse, metatarsal plantar fasc...

What are the three major parts of the brain? - ANSWERSCerebrum/cortex (4 lobes), Cerebellum, and Brain Stem (Pons, Midbrain, Medulla Oblongata) What are the Meninges? - ANSWERSDura mater (epidural space, subdural space), arachnoid (subarachnoid space), and Pia mater. The membranes covering the brain and spinal cord. Where is cerebrospinal fluid ? - ANSWERScontained between arachnoid and Pia mater membranes. Cerebral Concussion (Mild Traumatic Brain Injury) MOI - ANSWERSDirect blow to th...

intrinsic injury - ANSWERSinfection (Viral, bacterial) extrinsic injury - ANSWERStissue stressed to the point of mechanical failure due to excessive force primary injury - ANSWERSdirect immediate consequence of excessive force (trauma) secondary injury - ANSWERS- delayed injury some time after initial trauma - an accommodation to the primary injury acute injury - ANSWERS- mechanical failure of soft tissue due to excessive force occurring in a single bout - sunset onset of short dur...

Conscious Choking - Adult and Child - ANSWERS-if the victim cannot cough, speak or breathe: 1. give 5 back blows 2. give 5 abdominal thrusts 3. continue until: -object is dislodged -victim can breathe -victim begins to cough -victim goes unconscious If victim goes unconscious during back blows and abdominal thrusts? (conscious choking) - ANSWERS-begin CPR with compressions Conscious Choking - Infant - ANSWERS-if the infant cannot cough, cry, or breath: 1. care...