Compressors unit 23 Study guides, Class notes & Summaries

When using recovery or recycling equipment manufactured or imported on or after Nov 15, 1993, the required level of evacuation for low pressure equipment is _____ Hg absolute: 30mm 25mm 15mm 20mm - ANSWER 25mm The EPA requires that all commercial and industrial process refrigeration systems with more than 50lb of refrigerant be repaired when the annual leak rate exceeds ______: 35% 15% 30% 25% - ANSWER 35% Open-drive compressors are typically _____ compressors centrifugal r...

Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions large industrial refrigeration and air condition systems - Answer-The screw type compressor is used primarily in______. residential air conditioning - Answer-Rotary compressors are used primarily in_______. volume of the space between the bottom of the valve plate and the top of the piston at top dead center - Answer-The clearance volume of a compressor cylinder is the ______. it allows a compressor design with less cl...

HVAC UNIT 23 COMPRESSORS EXAM QUESTIONS AND ANSWERS #27

When using recovery or recycling equipment manufactured or imported on or after Nov 15, 1993, the required level of evacuation for low pressure equipment is _____ Hg absolute: 30mm 25mm 15mm 20mm - ANSWER 25mm The EPA requires that all commercial and industrial process refrigeration systems with more than 50lb of refrigerant be repaired when the annual leak rate exceeds ______: 35% 15% 30% 25% - ANSWER 35% Open-drive compressors are typically _____ compressors centrifugal r...

20. At the next pulse check, compressors are switched, and rhythm continues to be refractory ventricular fibrillation/ventricular tachycardia. A shock is delivered and CPR is resumed. What is your next intervention? A. Administer amiodarone 300mg IV B. Administer procainamide 15 to 18 mg/kg IV loading dose C. Administer epinephrine 1mg IV 21. After 2 more minutes of CPR, you conduct a rhythm check and a pulse check, confirming absence of a pulse. Based on the organized rhythm below, descri...

1. what is the main purpose of the Kingsbury thrust?Answer: counteract the forces acting parallel to the compressor's shaft ( preventing action displacement) 2. capacitors have the ability to ?Answer: store electrical energy that can be used to start motors 3. what is the purpose of the gland seal systemAnswer: prevent steam from leaking out of the turbine or air from leaking in 4. how should the seat of a service valve be positioned when a permanent pressure gauge has been installedAnswer: ...

Z-51 Written Test Questions and Answers Latest 2023/2024 (Grade 100%). In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft.: correct answer- D) Maintain axial positioning of the rotor shaft. 2. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature i...

RQI 2025 ACLS Healthcare Provider Complete Exam Questions and Answers Latest 2024/2025 (GRADED A+) Within the first 10 minutes, on the basis of the patient showing symptoms suggestive of myocardial ischemia, what will your first actions include (if not completed by EMS before arrival)? o Obtain a 12-lead electrocardiogram (ECG) o Administer a blood thinner o Administer aspirin and establish IV access o Activate the ST-segment elevation myocardial infarction (STEMI) team o If SPO2 is less ...

Z-51 Written Test Questions With 100% Correct Answers Latest 2024 (Grade A+) In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft.: correct answer- D) Maintain axial positioning of the rotor shaft. 2. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given tempera...

RQI 2025 ACLS Healthcare Provider Complete Q&A 2023. Within the first 10 minutes, on the basis of the patient showing symptoms suggestive of myocardial ischemia, what will your first actions include (if not completed by EMS before arrival)? o Obtain a 12-lead electrocardiogram (ECG) o Administer a blood thinner o Administer aspirin and establish IV access o Activate the ST-segment elevation myocardial infarction (STEMI) team o If SPO2 is less than 90%, start oxygen o Assess airway, breathing, an...