What determines the operating frequency of a CW transducer? A Product of the crystal thickness and the propagation velocity of the crystal B Sum of the crystal thickness and the propagation velocity of the crystal C Sum of the drive voltage and the crystal thickness D The frequency of the oscillator of the CW device

Which generation of CT scanners is most widely used today? Third Fourth Fifth Sixth

Helium and helium/argon shielding gas mixtures enable faster welding speeds and deeper penetration because helium __ A. protects a larger area than argon alone B. lowers the melting point of aluminum C. raises the temperature of the arc D. combines with oxygen to eliminate oxidation

Tech A says the W engine consists of two VR cylinder banks in a deeper V arrangement to each other. Tech B says rotary engines are very powerful for their size, but they do not use conventional pistons that slide back and forth inside a straight cylinder. Who is correct? Select one: a. Tech A b. Tech B c. Both Techs A and B d. Neither Tech A nor B

The pitch of a camera's lens mount is the __ angle of the lens to the area it's monitoring distance between the front of the lens and the edge of the mounting surface angle of the lens surface to the front edge of the camera distance between the lens rear mount and the image sensor

If data transfer was incomplete before the meter was remo docking station , it is still OK to use the meter: a. True b. False

What happens in a dual element time delay fuse if motor current returns to normal after starting? The spring will quickly pull the link apart. The solder will not get hot enough to melt. The solder will melt very quickly. The necessary time delay will be achieved.

Why are both heating element and heat pump included in a hybrid tumble dryer? Answer A. To improve the efficiency B. To reduce the possible drying time C. To reduce the efficiency D. To increase the possible drying time

4. If you notice a frayed electrical cord you should: (1 point) Tape it up and continue using it Report it to the appropriate personnel for repair or replacement Tuck it under a carpet to prevent tripping hazards Ignore it unless it stops working

Technician A says that rear-wheel drive vehicles have a propeller (drive)shaft. Technician B says that some rear-wheel drive vehicles have transaxles. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B

When calculating gains for active devices, which of the following items is considered? Preamplifier Combiner Splitter Cable