A Class A fire extingisher is for use on general combustibles such as: Gasoline Wood Engine oil Sodium
9 It is estimated that over 60 percent of major incidents in plants involve pipeline failures. High velocities in pipes may result in: Pipeline corrosion Pipeline erosion
9. If a main bonding jumper is a wire type, what NEC table is used to size it? 5 puntos a. Table 8, Chapter 9 b. Table 250.66 c. Table 250.102(C)(1) d. Table 250.122
Questions: List 3 instruments used on the Challenger and explain what each was used for: 1. 2. 3.
To remove an electrical plug from its socket you should pull the plug itself pull on the cord pull on the appliance NONE OF THESE
5. If a piece of equipment has a cracked and worn power cord, what should you do? Leave it plugged in at all times. Unplug it when not in use. Ignore it until the equipment stops working. Don't use the equipment
A All control processes should be measured both quantitatively and qualitatively. True False
What are the requirements for Mass Notification Systems according to NFPA 72? Requirements for smoke control systems in large buildings Specifications for the design of fire alarm circuits. Guidelines for the testing of emergency lighting systems. Requirements for the installation and maintenance of mass notification systems.
CONCEPT REVIEW 1. What is the development of technology? 2. What are the three main components of the engineering design process? 3. What is a constraint? 4. Why are tradeoffs sometimes needed in the engineering design process? 5. What is a prototype?
A __ wrench is a specialty hand tool used in close quarters to tighten water supply connections to the faucet and slip nuts on fixture traps. cartridge basin socket valve faucet valve seat
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
