Main psi 120 140 - Study guides, Class notes & Summaries

LIRR Air BrakesBrake Pipe Pressures: - correct answer Freight - 90 PSI. Diesel passenger 110 PSI. M3 Train 130 to 150 PSI. M7 Train 120 to 150 PSI. Main Reservoir 125 to 140 PSI (When applicable). Brake Cylinder Pressure - correct answer Approximately 45 to 60 PSI 30 PSI on cab car 70 PSI on M3 38 PSI on M7 What items must be sealed on E-15 operating cab? - correct answer ASC cut out. Deadman cut out Ground Relay cut out switch. What must be sealed on DE/DM 30 operating cab? -...

LIRR Air BrakesBrake Pipe Pressures: - correct answer Freight - 90 PSI. Diesel passenger 110 PSI. M3 Train 130 to 150 PSI. M7 Train 120 to 150 PSI. Main Reservoir 125 to 140 PSI (When applicable). Brake Cylinder Pressure - correct answer Approximately 45 to 60 PSI 30 PSI on cab car 70 PSI on M3 38 PSI on M7 What items must be sealed on E-15 operating cab? - correct answer ASC cut out. Deadman cut out Ground Relay cut out switch. What must be sealed on DE/DM 30 operating cab? -...

BECC MOD 7 QUESTIONS AND ANSWERS WITH CERTIFED SOLUTIONS When starting up the Hydraulic System, the ....... must be used. EOSS Hydraulic systems are used to operate the ....... STEERING GEAR If you apply 100 pounds of force to a 1 inch piston, the 2 inch output piston would have ....... pounds of force. 200 Hydraulic system pressure is maintained by the ....... valve UNLOADING Which component is used to convert fluid power energy to mechanical motion? ACTUATOR The centrifugal type LP ai...

  1. The NFPA standard for the inspection, testing and maintenance of wa- ter-based fire protection is Answer: NFPA 25 2. Is an additive in a sprinkler system Answer: Foam - NFPA 25 A.13.4.5.2.2.3.B 3. Trip testing the quick-opening device should be in accordance with the Answer: - Manufacturer's Instructions Ref # NFPA 25 A-13-4-5-2-2-3-B 4. Heat tracing shall be inspected and maintained in accordance with the requirements. Answer: Manufacturer's Ref. # NFPA 25 5.2.6 5. The t...

A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - ANSWER A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - ANSWER C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding portable tank. Select one: A. collar B. rope C. hose D. frame -...

  Pythagorean Theorem is stated as: - Answer: A²+B²=C² What is the weight of a gallon of water? - Answer: 8.33 lbs A compound pressure gauge measures: - Answer: Both positive pressure and vacuum The head pressure on a vertical rise of 67-feet is: - Answer: 29 psi The metric system is based on multiples of: - Answer: 10 What is the static pressure measured at ground level for a tank that is 71 feet above ground? - Answer: 30.74 psi A blue sprinkler marking has a temp...

When do you use the bell? Correct Answer: Men and equip, Road crossings, service track How do you perform a Transfer train test (class 3)? Correct Answer: Walk one side lacing hoses doing 1.33 safety inspection. Put gauge on rear car, tell operator on head end to cut in air. Have at least 75 psi on gauge at rear car. Set 20lb full service reduction and walk other side ensuring pistons are out on all cars making safety inspection on way back to engine. 100% of brakes must set up. If not ...

A dry hydrant provides access to a: Select one: A. static water source. B. portable water tank. C. municipal water system. D. cistern or well. - Answer- A. static water source. An object in motion possesses which kind of energy as a result of that motion? Select one: A. Entropic B. Inertial C. Kinetic D. Potential - Answer- C. Kinetic Fire fighters may need to hold on to the ________ while filling a self-expanding portable tank. Select one: A. collar B. rope C. hose D. frame...

Custodian Test Prep Class 89 Questions with Verified Answers 10% - CORRECT ANSWER In high pressure electric generating plants in large buildings, heating the feed water from 70f to 180f with exhaust steam usually will decrease the fuel consumption by... Steam pipe in the room before the pneumatic steam valve - CORRECT ANSWER The direct room radiator with a pneumatically controlled steam heating system is cold, while the adjoining rooms are heated adequately. The first thing you would check...

Refrigeration License Review Exam Questions and Complete Solutions At the condenser refrigerant enters as - Answer: high pressure gas and leaves as high pressure liquid If you were running three compressors, - Answer: highly superheated vapor describes the state of the refrigerant leaving the third compressor the state of refrigerant as it leaves the compressor is (blank) and as it leaves the condenser is (blank) - Answer: compressor-super heated vapor condenser- warm sub-cooled li...