STATIONARY ENGINEER ELECTRIC REVIEW
SET 2026 SOLVED QUESTIONS AND
SOLUTIONS
◉Of the following set of pipes, the one having a total combined area
exactly equal to the area of a 12" diameter pipe is ___________ pipes..
Answer: four 6"
◉Assume that a single phase load takes EI x .8 watts, where E is the
line voltage, I the line current, and .8 the power factor. The rating in
voltage-amperes of the synchronous condenser needed to raise the
power factor to unity MOST NEARLY EI X. Answer: .6
◉If rubber gloves commonly used on high tension work are found
on teat to have pinholes, they. Answer: should be discarded
◉Assume that an engine had no load speed of 1800 rpm and a full
load speed of 1650 rpm, The speed regulation of this engine is MOST
NEARLY. Answer: 9.1%
◉The color of the third wire is used for grounding portable electric
power tools is generally. Answer: green
,◉A series circuit consists of pure inductance and pure resistance.
When an AC voltage is impressed across such a circuit, the
_____________ the resistance by the 90 degrees.. Answer: voltage across
the inductance leads the voltage across
◉Of the following device, the one which should be used for
throttling of water going through it is the _____________ valve.. Answer:
globe
◉If the line to line voltage of a wye connected 3 phase system is 220
volts AC and the phase current is 10 amperes, then the total power
delivered is MOST NEARLY. Answer: 3800
◉The sensitivity of meter movement is given as 50 micro amperes.
This is equivalent to a voltmeter rating of ____________ ohms/volt..
Answer: 20,000
◉Doubling the number of turns of an inductor should _____________ its
original value.. Answer: increase the inductance to four times
◉Electrical fuse are rated in. Answer: current and voltage
◉A 30 ohms resistor is placed in parallel with an inductor that has
an inductive reactance of 40 ohms. If 120 volts AC is impressed
,across the parallel combination, the total current drawn from the
120 volt AC line is ____________ amps.. Answer: 5.0
◉The symbol shown at the right, found in the schematic of a motor
control circuit represent a. Answer: silicon-controlled rectifier
◉A device that can be used to check the conditions o the electrolyte
in a storage battery is the. Answer: hydrometer
◉Of the following, the BEST device to use to check the conditions of
the insulation of a cable is the. Answer: megger
◉The decibel is a unit used in measuring the level of. Answer: sound
◉A rectangle bus bar with a cross section of 1.0 inch x .50 inch has a
cross sectional area MOST NEARLY equivalent to _____________ circular
mils.. Answer: 640,000
◉The electrical conductivity of copper is lower than that of. Answer:
silver
◉A voltmeter has ground connection and two terminals, one of
which is used for 0-300 volts and the other for 0-750 volts. The scale
is marked only for the 0-750 range. A scale reading of 200, when the
, 0-300 volts range is being used, corresponds to an actual voltage of
____________ volts.. Answer: 80
◉When putting out a fire with a hand extinguisher, it is BEST to
direct the discharge at the ____________ the fire.. Answer: base of
◉Someone suggests that the silver-plated main contacts of a circuit
of a circuit breaker be cleaned with fine sandpaper. This suggestion
is. Answer: poor, since the useful silver plating would be removed
◉If a multi-scale DC voltmeter reads downscale (goes below zero)
when connected across two pins of an electrical connector, it is
MOST likely that the. Answer: meter leads are reversed
◉Measurements of illumination in a work area are made with light
meters which measure in units of. Answer: foot-candles
◉Assume that new type of circuit breakers and controls are to be
installed in the plant where you work. This equipment is to be
operated and maintained by you. Of the following, the FIRST step
you should take to become familiar with the new equipment is to.
Answer: read the instruction books for the equipment
SET 2026 SOLVED QUESTIONS AND
SOLUTIONS
◉Of the following set of pipes, the one having a total combined area
exactly equal to the area of a 12" diameter pipe is ___________ pipes..
Answer: four 6"
◉Assume that a single phase load takes EI x .8 watts, where E is the
line voltage, I the line current, and .8 the power factor. The rating in
voltage-amperes of the synchronous condenser needed to raise the
power factor to unity MOST NEARLY EI X. Answer: .6
◉If rubber gloves commonly used on high tension work are found
on teat to have pinholes, they. Answer: should be discarded
◉Assume that an engine had no load speed of 1800 rpm and a full
load speed of 1650 rpm, The speed regulation of this engine is MOST
NEARLY. Answer: 9.1%
◉The color of the third wire is used for grounding portable electric
power tools is generally. Answer: green
,◉A series circuit consists of pure inductance and pure resistance.
When an AC voltage is impressed across such a circuit, the
_____________ the resistance by the 90 degrees.. Answer: voltage across
the inductance leads the voltage across
◉Of the following device, the one which should be used for
throttling of water going through it is the _____________ valve.. Answer:
globe
◉If the line to line voltage of a wye connected 3 phase system is 220
volts AC and the phase current is 10 amperes, then the total power
delivered is MOST NEARLY. Answer: 3800
◉The sensitivity of meter movement is given as 50 micro amperes.
This is equivalent to a voltmeter rating of ____________ ohms/volt..
Answer: 20,000
◉Doubling the number of turns of an inductor should _____________ its
original value.. Answer: increase the inductance to four times
◉Electrical fuse are rated in. Answer: current and voltage
◉A 30 ohms resistor is placed in parallel with an inductor that has
an inductive reactance of 40 ohms. If 120 volts AC is impressed
,across the parallel combination, the total current drawn from the
120 volt AC line is ____________ amps.. Answer: 5.0
◉The symbol shown at the right, found in the schematic of a motor
control circuit represent a. Answer: silicon-controlled rectifier
◉A device that can be used to check the conditions o the electrolyte
in a storage battery is the. Answer: hydrometer
◉Of the following, the BEST device to use to check the conditions of
the insulation of a cable is the. Answer: megger
◉The decibel is a unit used in measuring the level of. Answer: sound
◉A rectangle bus bar with a cross section of 1.0 inch x .50 inch has a
cross sectional area MOST NEARLY equivalent to _____________ circular
mils.. Answer: 640,000
◉The electrical conductivity of copper is lower than that of. Answer:
silver
◉A voltmeter has ground connection and two terminals, one of
which is used for 0-300 volts and the other for 0-750 volts. The scale
is marked only for the 0-750 range. A scale reading of 200, when the
, 0-300 volts range is being used, corresponds to an actual voltage of
____________ volts.. Answer: 80
◉When putting out a fire with a hand extinguisher, it is BEST to
direct the discharge at the ____________ the fire.. Answer: base of
◉Someone suggests that the silver-plated main contacts of a circuit
of a circuit breaker be cleaned with fine sandpaper. This suggestion
is. Answer: poor, since the useful silver plating would be removed
◉If a multi-scale DC voltmeter reads downscale (goes below zero)
when connected across two pins of an electrical connector, it is
MOST likely that the. Answer: meter leads are reversed
◉Measurements of illumination in a work area are made with light
meters which measure in units of. Answer: foot-candles
◉Assume that new type of circuit breakers and controls are to be
installed in the plant where you work. This equipment is to be
operated and maintained by you. Of the following, the FIRST step
you should take to become familiar with the new equipment is to.
Answer: read the instruction books for the equipment
