Given specific conditions such as location, quantity,etC. water hoses can be used as a substitute for a 2A fire extinguisher. A. True B. False
Why are fuel leaks a problem? They could cause a fire or cause you to breathe in toxic gas. They could lead to a collision. They could drain your battery. They could cause your car to overheat.
The __ is used most frequently for amperage checks. a. hot-wire ammeter b. integrated ammeter c. clamp-on ammeter d. alternating ammeter
-Which of the following is TRUE with regard to circuit breaker interrupting capacity ratings? Select one: a. NEMA tests are certified by unbiased reviewers. b. UL tests now include NEMA ratings. c. The interrupting capacity of a circuit breaker is the same for all voltage levels. d. UL tests are self-certification.
Material specifications give the exact grade or substance to be used in a weldment. True False
What 2 terminals on the 8145-20 time clock energize the evaporator fans? A) 18N B) 28N C) . N&N D) 48N E) 38N
A transducer with an array of rectangular elements arranged in a straight line is called: Oscillating mechanical transducer Convex sequenced array transducer Annular array transducer Sequential linear array transducer
What is the requirement for a single transducer to offer varying frequencies? Narrow bandwidth Wide bandwidth Mechanical steering Multiple rows of piezoelectric element in the elevational plane
The main benefit of using a 1.5D or multi-row array transducer is: Improved Temporal resolution Increased frequency Smaller footprint Narrow slice thickness over a large part of the scanned volume
Imaging transducers have: Narrow bandwidth Low-quality factor High quality of light High quality factor
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
