Industrial Maintenance Mechanic-Electrical Section Questions With Complete Solutions

When checking for voltage, you inadvertently connect your voltmeter in series with the load. The meter: correct answer: will be destroyed In a series circuit that contains a shorted element, a voltmeter placed in parallel with the shorted element will read: correct answer: zero volts When testing an A.C. motor for current, the most convenient meter to use is the : correct answer: clamp on ammeter You are using a voltmeter to check a fuse connected in a circuit. When connecting the probes across the fuse you read the source voltage. This indicates a/an: correct answer: open fuse When testing the fuses of a 120/240 volt disconnect, you have 240 volts on the line side and no voltage on the load side, but between T1 and neutral you read 120 volts. Which fuse(s) is/are bad: correct answer: L2 Before resetting a tripped circuit breaker, you should: correct answer: clear all faults and overloads When resetting a circuit breaker, you should: correct answer: stand to the side of the panel When replacing the 240/24v control transformer that is the source for a 24v motor starter coil on a three-phase, 240v motor, the primary transformer leads are connected to: correct answer: L1 and L2