The movement of a fluid in straight, parallel flow paths is called _____.
A) laminar flow B) fluid power C) turbulent flow D) flow rate
[Ques. 2] The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the _____.
A) pickup voltage B) transition voltage C) seal-in voltage D) dropout voltage
[Ques. 3] The nameplate on a motor indicates that the motor has an FLC of 15A and a service factor (SF) of 1.15. How much additional current can this motor safely handle for intermittent power demands?
A) 1.15A B) 3.25A C) 2.25A D) 1.75A
[Ques. 4] If the heater in a fixed IEC bimetallic overload relay fails, _____.
A) it and all the other heaters in the overload relay must be replaced
B) the heater can be replaced with a heater of the same size or one that is slightly smaller
C) the heater must be replaced with a heater of the same size
D) the entire overload relay must be replaced
[Ques. 5] Which of the following are primarily designed for use with inductive motor loads and to withstand the interrupt current of a locked rotor?
A) IEC-rated contactors/motor starters B) Definite-purpose contactors/motor starters
C) NEMA-rated contactors/motor starters D) Lighting contactors
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