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Question:
_____
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In boiler, steam strainers should be located in the steam line _____ the steam trap:
in front of
In furnace, _____ removes and discharges all air in the water to the atmosphere:
Vacuum pump
An oil trap is required at the base of the discharge line of the vertical riser is _____ or above
8 feet
A very faint green color during halide torch test indicates:
Small leak
which of the following is measured in inches of WC
pressure
Which of the following is more volatile fuels obtained during distillation
gasoline
A diode allows current to flow in one direction:
True
_____ is the heat that is measured or sensed by the thermometer
Sensible heat
In case of the air is trapped in the air conditioning system, it will stay in which of the following component:
Condenser
Refrigerant in liquid line will be in which of the following phase:
Warm liquid
In water-tube boilers, the _____ is contained in tubes located inside a furnace and _____ pass over the tubes:
water, hot flue gases
A mixture of oxygen and oil is extremely explosive
If the supply frequency is 60Hz in an electrical circuit, electrons change _____ in one second
120 times
When a capacitor is used in the circuit, power factor of the circuit will be _____ :
Improves
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