NIULPE 5TH CLASS STUDY GUIDE | 2026 UPDATE |
QUESTIONS AND ANSWERS | 100% CORRECT.
A flame safe guard system monitors Answer - Air flow to combustion chamber,
pilot & main flame, fuel pressure & temperature
Definition of British Thermal Unit Answer - Amount of heat required to raise 1
lb/water 1 degree farenheit
When gauge glass is broken, water level in a boiler can be determined by
Answer - Opening and closing a set of try cocks
Blowdown from a high pressure boiler would be piped directly to Answer -
blow off basin or blowdown tank
List 3 types of refrigerant flow controls Answer - capillary tubes, automatic
expansion valve, thermostatic expansion valve
What is the primary function of a liquid line filter dryer? Answer - Remove
moisture, dirt, and metal chips
What size of wire commonly used in 15 and 20 amp branch circuits for wiring
110 volts? Answer - 12 and 14 gauge
Rate of combustion should be observed carefully when raising steam pressure
of a boiler because of possible ? Answer - Strains on boiler
QUESTIONS AND ANSWERS | 100% CORRECT.
A flame safe guard system monitors Answer - Air flow to combustion chamber,
pilot & main flame, fuel pressure & temperature
Definition of British Thermal Unit Answer - Amount of heat required to raise 1
lb/water 1 degree farenheit
When gauge glass is broken, water level in a boiler can be determined by
Answer - Opening and closing a set of try cocks
Blowdown from a high pressure boiler would be piped directly to Answer -
blow off basin or blowdown tank
List 3 types of refrigerant flow controls Answer - capillary tubes, automatic
expansion valve, thermostatic expansion valve
What is the primary function of a liquid line filter dryer? Answer - Remove
moisture, dirt, and metal chips
What size of wire commonly used in 15 and 20 amp branch circuits for wiring
110 volts? Answer - 12 and 14 gauge
Rate of combustion should be observed carefully when raising steam pressure
of a boiler because of possible ? Answer - Strains on boiler
