Couplings Study guides, Class notes & Summaries

NFPA 10 Exam 71 Questions with Verified Answers When should wheeled fire extinguishers be considered? - CORRECT ANSWER • High hazard areas are present. • Limited available personnel are present. Requiring: High agent flow rate, Increased agent stream range, increased agent capacity NON-DOT low pressure fire extinguisher cylinders that pass a hydrostatic test shall have the following recorded on a label: - CORRECT ANSWER • Month and year test was performed (perforated) • Test pre...

NFPA 1001 uses what term to refer to a stream of water produced from a hose? - Fire Stream In general, what are fire hydrant bonnets, barrels, and foot pieces made of? - Cast iron The internal working parts of a hydrant are made of what? - Bronze The valve facings of hydrants are made of what? - Rubber, leather, or composite materials The primary types of hydrants used in North America are what? - Dry barrel and Wet barrel Hydrants are considered standard if they contain what two components...

__________ couplings require positive positioning of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSD. Rigid Sleeve, flanged clamped __________ Which permit slight misalignment and endplay of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSB. Flexible Universal joints which connects shafts with angular and/or shaft _______________ misalignment A. Clearance B. Run out C. Offset D. Axial - ANSWERSC. Offset ______________ c...

__________ couplings require positive positioning of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - Answer D. Rigid Sleeve, flanged clamped __________ Which permit slight misalignment and endplay of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - Answer B. Flexible Universal joints which connects shafts with angular and/or shaft _______________ misalignment A. Clearance B. Run out C. Offset D. Axial - Answer C. Offset ______________ c...

__________ couplings require positive positioning of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSD. Rigid Sleeve, flanged clamped __________ Which permit slight misalignment and endplay of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSB. Flexible Universal joints which connects shafts with angular and/or shaft _______________ misalignment A. Clearance B. Run out C. Offset D. Axial - ANSWERSC. Offset ______________ c...

IFSTA 7th Edition - Chapter 12: Fire hose (Answered) Which type of hose transports water from the pumping apparatus to the nozzle where it is applied to the fire? (541) Attack hose A fire hose is labeled according to the: (541) Size of its inside diameter Which type of hose is designed to connect the pumping apparatus to a pressurized water source, such as a hydrant? (542) Large diameter soft sleeve hose Why is it advantageous for departments to use hose with national standard threaded ...

__________ couplings require positive positioning of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSD. Rigid Sleeve, flanged clamped __________ Which permit slight misalignment and endplay of the shaft A. Universal B. Flexible C. Centrifugal D. Rigid - ANSWERSB. Flexible Universal joints which connects shafts with angular and/or shaft _______________ misalignment A. Clearance B. Run out C. Offset D. Axial - ANSWERSC. Offset ______________ c...

What are the purposes of couplings? 13:1 - ANSWERSCouplings are used to join two shafts together & transmit power. What are the 4 main types of couplings? 13:1 - ANSWERS-rigid couplings -flexible couplings -universal joints (u-joints) -centrifugal What are the operative limits of rigid couplings? 13:2 - ANSWERS-misalignment must be less than bearing clearance -cannot have angular misalignment -thermal expansion is not present during operation. What are the 4 main types of rigid cou...

Which load and carry works best when advancing hoseline up and down a stairway? - Answer-Minute man Which of the following will cause the upper layer of hot smoke and fire gases to contract toward the ceiling? - Answer-Steam formed in the upper layer of hot fire gases A short fold or reverse bend made in hose during the loading process is called a: - Answer-Dutchman How should a single firefighter heel the ladder when performing a one-firefighter extension ladder raise? - Answer-Against th...

What are the purposes of couplings? 13:1 - ANSWERSCouplings are used to join two shafts together & transmit power. What are the 4 main types of couplings? 13:1 - ANSWERS-rigid couplings -flexible couplings -universal joints (u-joints) -centrifugal What are the operative limits of rigid couplings? 13:2 - ANSWERS-misalignment must be less than bearing clearance -cannot have angular misalignment -thermal expansion is not present during operation. What are the 4 main types of rigid cou...