Most valves are named afte their: bonnets ports passageway control device stem routing device actuators
The maximum acceptable (not necessarily normal) pressure drop across an inline air filter is __ psi. Maximum drop defines at which point to change the inline filter element out. a. 10 b.8 c. 2 d. 5
Which of the following are examples of generating the workpart geometry in machining as opposed to forming the geometry (two best answers): A broaching B contour turning C drilling D profile milling E thread cutting
Headlights use a high-intensity bulb or lamp and a low-intensity bulb or lamp and a __ to switch between the two circuits. Select one: A. touch screen B. switch C. voice command D. push button
Without this, a pump or fan would only be able to run at one speed, and that might not be the most efficient use of motor power. Modulating actuator Variable speed drive Secondary controller None of the above
A variable air volume or VAV box controller is an example of A primary controller A secondary controller An application-specific controller None of the above Mark for follow up
Un sobrecalentami ento bajo en un 20 puntos evaporador indica: baja carga de refrigerante baja presion del rerigerante alta presion del refrigerante sobrecarga de refrigerante
When scientists use technology to create solutions to problems they try to find the simplest way to meet all the needs they have. false true
Most dispensers have o(n) __ to stop the flow of propone in on emergency. OPD(overflow protection device) hose-end valve alarm shutdown system
What two methods are used to start a plasma arc cutting arc? Select one: a. HF Arc and Contact b. Contact and Scratch c. HF and Scratch
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
