Answer the following statement(s) true (T) or false (F)
1. As a measurable quantity, the term voltage regulation means the percentage change of voltage from rated-load to no-load conditions.
2. One way of providing a magnetic field for a generator is by having joint current sources energizing the field coils of the generator.
3. Kirchhoff’s voltage law can be stated like this: Output voltage equals generated emf minus the IR drop in armature and brushes.
4. The ratio between the power output and the power input is described as the efficiency of the machine.
5. With magnetohydrodynamic (MHD) generation, instead of having a stream of electrons and ions moving through a magnetic field, a wire carrying electrons is moved through a magnetic field.
1. True
2. False
3. True
4. True
5. False
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Which of the following statements best describes how EGR functions to reduce NOx emissions?
A. reduces oxygen intake to the engine B. routes HC into engine cylinder C. routes PM into engine cylinder D. cools down the intake charge
While moving a vehicle that requires brake repairs: Technician A says extra caution should be used to prevent damage to the vehicle or shop. Technician B says that extra caution should be used to prevent injury to yourself or others in the area. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
If you were monitoring an alternating current voltage on an oscilloscope it would:
a. be a flat line and negative b. be a flat line and positive c. be an oscillating line that is positive and negative d. be an oscillating line that is positive
Veitch diagrams and ____________________ provide a fast and easy way to reduce a logic equation to its simplest form.
Fill in the blank(s) with the appropriate word(s).