Which switching device uses LEDs?
A) Magnetic reluctor B) Optical sensor C) Hall effect D) Pickup coil
B
You might also like to view...
Technician A says that engine torque is transmitted through the surface of the hollow driveshaft from the transmission to the rear differential in a RWD vehicle. Technician B says that a bent driveshaft on a RWD vehicle can cause a condition known as torque steer. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Decks should be located ____ or more above grade and while concrete patios can be elevated on steel structures, they are more economical when built directly on grade.
A. one-half foot B. a foot C. two feet D. three feet
In slip-form construction, the concrete is contained and shaped by a form that is moved _____.
a. along a track b. continuously c. up and down d. intermittently
The boiler requirement of the cycle is nearest:
A steam power plant is designed to operate on the Rankine cycle with the conditions displayed.
A) 2600 kJ/kg
B) 2700 kJ/kg
C) 2800 kJ/kg
D) 2900 kJ/kg