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3rd class stationary engineer exam with correct answers, Exams of Engineering

3rd class stationary engineer exam with correct answers

Typology: Exams

2024/2025

Available from 01/21/2025

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3rd class stationary engineer exam

What is the SI equivalent for Votage - Answer- Volt WHAT IS THE SI EQUIVALENT AMPERAGE? - Answer- Coulomb WHAT IS THE SI EQIVALENT RESISTANCE? - Answer- Ohms WHAT IS THE SI UNIT OF FORCE CALLED? - Answer- Newton How is work defined? - Answer- The amount of energy transferred to an object by force How is energy defined? - Answer- the ability to do work HOW MANY FOOTPOUNDS PER/MIN EQUALS 1HOURSEPOWER? - Answer- 33,000 ft Lbs ONE HORSE POWER EQUALS HOW MANY WATTS? - Answer- 746 watts NAME TWO TYPES OF SAFETY PROTECTION IN AN ELECTRICAL CIRCUIT? - Answer- Electric fuse and proper earthing WHAT IS THE FACTOR OF SAFETY FOR BOILERS? - Answer- 3.5- NAME THE THREE TYPES OF DRAFT? - Answer- Natural, induced, and condensing furnace EXPLAIN WATER CIRCULATION IN A HRT BOILER? - Answer- The water that circulates through the tubes is used to transfer heat from the combustion gases to the surrounding water. EXPLAIN WATER CIRCULATION IN A STANDARD STERLING BOILER? - Answer- All circulation, both up and down, is through the heating tubes and there are no separate external downcomers. HOW DO YOU ADJUST THE BLOWBACK ON A SAFETY VALVE? - Answer- Only a manufacturer or authorized representative is permitted to set, adjust, or repair them

WHAT IS THE DIFFERENCE FROM AN OPEN HEATER THAN A CLOSED HEATER?

  • Answer- Open Feedwater Heaters operate under high pressure, while closed Feedwater Heaters function under low pressure. WHERE THE OPEN HEATER LOCATED IN IS REGARDS TO FEEDWATER PUMP? - Answer- between the condensate pump and either the boiler feed pump or, if present, an intermediate pressure (booster) pump WHERE IS THE CLOSED FEEWATER HEATER LOCATED IN REGUARD TO FEEDWATER PUMP? - Answer- tube-side between the booster pump and the boiler feed pump. WHAT DEVISE IS LOCATED ON THE SUCTION SIDE OF PUMPS TO PROTECT THEM? - Answer- Suction strainers EXPLAIN A THERMOHYDRALIC FEEDWATER REGULATOR? - Answer- a regulator with a regulating valve and bellows a generator and I stop valve. EXPLAIN A THERMODYNAMIC FEEDWATER REGULATOR? - Answer- a device that maintains the water level in a boiler by controlling the amount of heat water pump to the boiler. HOW MANY VALVE ARE ON A DUPLEX PUMP? - Answer- at least four suction valves and four discharge valves. NAME THE FOUR POSTIONS ON DUPLEX PUMP CYCLE? - Answer- High liquid alarm float Lag pump float Lead pump float Pump stop float TWO SAFET VALVES ON A BOILER WITH DIFFERENT RELEIVING CAPACITY WHAT IS THE MAXIMUM DIFFERENT THAT IS ALLOWED? - Answer- More than 3%