Millwright Level 4 Electrical Exam Questions And Complete Answers
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Millwright
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Millwright
Millwright Level 4 Electrical Exam Questions And Complete Answers
Fuses are circuit protection devices. what fuse component provides the HRC type fuse with the ability to interrupt currents up to 300,000 Amps without failure?
A. very large contacts
B. parallel fusible links
C. sand filled
D. ...
millwright level 4 electrical exam questions and c
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Millwright Level 4 Electrical Exam Questions
And Complete Answers
Fuses are circuit protection devices. what fuse component provides the HRC type fuse with the ability
to interrupt currents up to 300,000 Amps without failure?
A. very large contacts
B. parallel fusible links
C. sand filled
D. series fusible links
C. sand filled
Elements that allow a large number of electrons to flow are known as?
A. insulators
B. free electrons
C. conductors
D. electromotive force
C. conductors
The atomic particle that electric current flow is dependent upon is known as?
A. neutron
B. proton
C. electron
D. ion
C. electron
what is the advantage of a series connected DC motor
A. it is good for constant speed loads
B. the motor has a very low starting torque
C. there is synchronization between the rotor and the magnetic field
D. the motor has a high starting torque that allows battery operation
D. the motor has a high starting torque that allows battery operation
The unit of current flow in a circuit is called?
A. a watt
B. an amp
C. a volt
D. a hertz
B. an amp
The motor wiring of a shunt field design is one in which the armature windings and the field
coils(winding) are connected.
A. in series
B. in parallel
C. where field coil is AC, and armature is DC
D. to the frame
B. in parallel
The abbreviation DC is a description of?
A. one direction current flow
B. two direction current flow
C. wiring connection pattern
, D. transformer design
A. one direction current flow
Fuses are identified so that they may be chosen for the circuit correctly. what does the abbreviation
HRC represent?
A. high resistance circuit
B. heavy resistive contact
C. high relative capacitance
D. high rupturing capacity
D. high rupturing capacity
A capacitor is constructed of plates and a dielectric insulator. The behavior of this device can be
compared to the action of?
A. a hydraulic check valve
B. a hydraulic accumulator
C. a hydraulic pump
D. a hydraulic motor
B. a hydraulic accumulator
The difference between a wound rotor motor and a squirrel cage motor is that the wound rotor has
A. no field winding's
B. insulated winding's
C. no rotor winding's
D. insulated stator windings
B. insulated winding's
The most suitable wiring between field and armature that provides high start torque and high no load
speed is
A. parallel
B. shunt
C. permanent magnet
D. series
D. series
The current supply to the armature of a DC motor is provided through the
A. brushes and slip rings
B. brushes and commutator
C. field windings
D. none of the items listed
B. brushes and commutator
The ease with which a material may be magnetized by a solenoid is described as?
A. reluctance
B. capacitance
C. permeability
D. inductance
C. permeability
A core wrapped in a coil of wire, and suspended with spring tension, is what type of transducer?
A. a velocity probe
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