Couplings Study guides, Class notes & Summaries

Driver/Pumper OperatorCoefficient for 1 3/4" with 1 1/2" couplings - correct answer 15.5 Coefficient for 2" - correct answer 8 Coefficient for 2 1/2" - correct answer 2 Coefficient for 3" with 2 1/2" couplings - correct answer .8 Coefficient for 3" with 3" couplings - correct answer .677 Coefficient for 4" - correct answer .2 Coefficient for 5" - correct answer .08 FL - correct answer Friction Loss in PSI C - correct answer Friction Loss coefficient Q - corre...

Reduced water volume or pressure from hydrants can result from: open water mains. open isolation valves. greater demand than the system can provide. the use of both wet-barrel and dry-barrel hydrants in the same system. - correct answer -greater demand than the system can provide. Standard fire hydrants have at least one large steamer connection and: four hose outlet nozzles for 2 1/2-inch (65 mm) couplings. one smaller steamer connection. two smaller steamer connections. two hose out...

Reduced water volume or pressure from hydrants can result from: open water mains. open isolation valves. greater demand than the system can provide. the use of both wet-barrel and dry-barrel hydrants in the same system. - correct answer -greater demand than the system can provide. Standard fire hydrants have at least one large steamer connection and: four hose outlet nozzles for 2 1/2-inch (65 mm) couplings. one smaller steamer connection. two smaller steamer connections. two hose out...

4 Types of fire hose damage - correct answer - Mechanical - Thermal - Organic - Chemical Shank - correct answer - Part of coupling that serves as attachment to hose Swivel - correct answer - Found only on female coupling - Locks into male part Lugs - correct answer - Aid in tightening and making connection Higbee Cut - correct answer - Helps eliminate cross threading Storz Couplings - correct answer - Sexless - Quarter-turn - Seen in larger diameter supply hose ...

Driver Pumper Operator Questions And Answers 2024. Coefficient for 1 3/4" with 1 1/2" couplings - correct answer 15.5 Coefficient for 2" - correct answer 8 Coefficient for 2 1/2" - correct answer 2 Coefficient for 3" with 2 1/2" couplings - correct answer .8 Coefficient for 3" with 3" couplings - correct answer .677 Coefficient for 4" - correct answer .2 Coefficient for 5" - correct answer .08 FL - correct answer Friction Loss in PSI C - correct answer Friction...

in a mechanical transmission sister and an electric motor is also called a blank. prime mover The three types of shaft to adjacent shaft power transmission are blank. belt drive, chain drive, & gear drive some rules for safe travels to wear around machinery when it is raining are we're tight fitting clothing and heavy-duty shoes companies typically require that blank as part of of their shop safety rules. safety glasses be worn to protect your eyes in production ...

Driver/Pumper OperatorCoefficient for 1 3/4" with 1 1/2" couplings - correct answer 15.5 Coefficient for 2" - correct answer 8 Coefficient for 2 1/2" - correct answer 2 Coefficient for 3" with 2 1/2" couplings - correct answer .8 Coefficient for 3" with 3" couplings - correct answer .677 Coefficient for 4" - correct answer .2 Coefficient for 5" - correct answer .08 FL - correct answer Friction Loss in PSI C - correct answer Friction Loss coefficient Q - corre...

What type of pump uses the throwing force of a rapidly revolving impeller? CENTRIFUGAL Which pump uses a piston to move a fluid? reciprocating The indirect heat exchanger that uses one tube inside another tube is known as what type construction? DOUBLE TUBE Heat transfer from physical contact between two substances is known as CONDUCTION What is used to connect turbines and reduction gear while allowing slight misalignment? HIGH SPEED FLEXIBLE COUPLINGS

in a mechanical transmission sister and an electric motor is also called a blank. prime mover The three types of shaft to adjacent shaft power transmission are blank. belt drive, chain drive, & gear drive some rules for safe travels to wear around machinery when it is raining are we're tight fitting clothing and heavy-duty shoes companies typically require that blank as part of of their shop safety rules. safety glasses be worn to protect your eyes in production ...

MSSC - Maintenance: Bearings and couplings ______ may remove the lockout on the power source of a piece of mechanical equipment - Only the person who installed the lockout a gear is a wheel with blank cut around its circumference - teeth a machine moving components slides over ate and drank bearing surface with only a little cushion between them - plane a machine's shaft and abortion always be checked 4 out of range status before performing what task - pressing a bearing AAA and blank ...