A problem that can look like refrigerant overcharge if a service technician is only looking at system pressures is: Select one: A. Low condenser airflow. B. High evaporator airflow. C. An overfeeding refrigerant metering device. D. Low evaporator airflow.
Fully metallic linings require very high pedal pressure and tend to quickly wear out drums and rotors. a. True b. False
A keyless remote start is not working. Technician A says the trunk of the vehicle may be open. Technician B says that the key fob may be too far away from the vehicle. Which technician is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B
20.- Escribe ¿cuáles son algunos materiales aislantes de la electricidad? __
The distinguishing characteristic of an electrical cable is that it consists of two or more conductors and a messenger wire inside a single covering that are bare that carry video feeds
What is not feasible for an emergency shutdown system? Backup power Automatic reset Vibration alarm Deviation alarm
Audio inspections include determining whether any hissing, bubbling, or other sounds can be heard that indicate the presence of emissions. True False
Select the correct answer. Lei is working on a robotics project. He started listing down the equipment required to create a robot. What is Lei collecting? A. information B. facts C. properties D. objects E. data
Consumer and commercial products today must meet __ requirements for emission of electromagnetic and electronic noise. NFPA UL Federal Communication Commision (FCC) NEC
Pneumatic energy is controlled by __ Pipes Engineers Systems Valves
18. When you get done with running a bead on your welder, you should __ A. Turn off the welder B. Remove the electrode from the holder C. Set up your materials for your next pass D. Uncontrollably waive the live holder around your work space
What does a marine pump out station do? Pumps out waste from holding tanks Cleans contaminated fuel tanks Removes water from flooded bilges Controls water flow at a dam
A vertical spill is the toughest to control due to (Select all that apply): You do not know what the material will come in contact with You cannot see where the spill is going It is not easily contained. They are predictable
3 Multiple Choice 1 point In welding detail drawings welding symbols are used to show how the pieces are to be __ cut joined aligned machined Multiple Choice 1 point The main purpose of an assembly drawing is to show how the parts are __ to be used leader line going to appear in three dimensions put together in relation to one another
Resistance welding uses electric current and __ to join metals. continuous electrodes electron beams ionized gas pressure
When surfacing with high-alloy ferrous materials, the abrasion resistance __ and the impact strength __ as the alloy content increases. decreases, decresses decreases, increases increases, decreases increases; increases
Which of the following is a step in edge preparation for ferrous metals? Aligning the edges Cutting or gouging the edge Marking the weld's location Removing nicks and burrs
Which humidifier uses a pad consisting of numerous layers of a tight metallic mesh wetted by water delivered from above? Fixed filter Piezoelectric Plate Vaporizing Question 4 Which humidifier uses a series of porous materials that wick water upward to be evaporated by passing air? Fixed filter Piezoelectric Plate Vaporizing 5
In shielded metal arc welding, the shield is made of alloy metal flux gas oxides
22. Cylinder seals were commonly made from which of the following materials? a. Gold b. Glass c. Bronze d. Limestone
