8/11/2019 RME Past Exams

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A ___ is a precision measuring instrument. It measures the force required to turn a nut orbolt.a). allen wrench b). combination wrenchc). torque wrench d). open-end wrench

The output rating of a one horsepower motor is ___.a). 1840 watts b). 1500 wattsc). 746 watts d). 1000 watts

Electron flow produced by means of applying a pressure to a material is called ___.a). electrochemistry b). thermoelectricityc). piezoelectricity d). photo conduction

Frequency is measured in ___.

a.

Hertz c. rpm

b. Voltage d. Foot pounds

A color code is used in multiple-conductor cables. For a 3-conductor cable the colors wouldbe ___.a). one black, one red and one whiteb). two black and one redc). one white, one black and one blued). two red and one black

At least two persons are required to be present during a high-voltage test because ___.a). one person can cover while the one is on breakb). high voltage is too heavy for onec). if one person is hurt the other person can helpd). it eliminates overtime

Mandatory rules are characterized by the use of ___.a). should b). shallc). will d). must

The horsepower rating of a motor ____.a). is a measure of motor efficiencyb). is the input to the motorc). cannot be changed to watts

d). is the output of the motor

A ___ is a certain type cartridge fuse that can be readily replaced.a). time-lag fuse b). permanent fusec). one-time fuse d). renewable fuse

In a 3 circuit, how many electrical degrees separate each phase?a). 360 b). 180c). 120 d). 90

8/11/2019 RME Past Exams

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To keep the terminals of a lead-acid storage battery free from corrosion, it is advisable to___.

a). keep electrolyte level lowb). apply petroleum jellyc). charge the battery at frequent intervalsd). clean the terminals frequently

An electrical condenser is best defined as ___.a). a coil of wireb). a wrapping of layers of metal foilc). a coil of wire with layers of metal foild). a wrapping of many layers of metal foil set apart by waxed

paper

Solid wire is preferred instead of stranded wire in panel wiring because ___.a). costs less than stranded

b). solid will carry more currentc). can be shaped betterd). no derating required for solid

A capacitor is a device that ___ energy.a). produces b). storesc). opposes d). increases

A generator exciter uses ___ current.a). alternatingb). directc). neither alternating nor direct

d). either alternating or direct

Laminations are used in transformers to prevent ___.a). copper loss b). weightc). eddy current loss d). counter EMF

A device that de-energizes a circuit or a portion of a circuit within an established time frame

when a current to ground exceeds the values determined for a Class

A device is which of the following:a. Circuit breaker b. Fuse

c. Ground-fault interrupter d. Voltage regulator switch

You would use an approved ___ to protect conductors from abrasion where they enter a box.a). locknut b). bushingc). all thread d). hickey

For better illumination you would use ___.a). random spacing of lightsb). evenly spaced lights, higher ceilingsc). even spacing, numerous lightsd). cluster lights

If the circuit voltage is increased, all else remains the same, only the ___ will change.a). resistance b). current

c). ampacity d). conductivity