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
Multiple Choice 20 points What should you do if your electric breaker keeps tripping? Just turn it back on Contact an electrician See if you can fix it yourself Put a penny in it
Valve stem height is most critical on which of these? Select one: A. Non -adjustable solid lifter systems B. Adjustable solid lifter systems C. Adjustable hydraulic lifter systems D. Overhead cam engines
10) What tools are needed to measure $1/2$ T of oil?
air out of the tire? A. If the recommended psi is above the number on the gauge, add air until it reaches the recommended number B. If the recommended psi is below the number on the gauge, let air out until it reaches the recommended number C. If the recommended psi is below the number on the gauge, add air until it reaches the recommended number 3. When should you inflate or let 1 poin D. Inflate the tire until you hear a click and the air compressor stops inflating
An engineering professional must obtain a Master's Degree in engineering from an ABET- accredited program and must adhere to a code of ethics. True False
If door glass falls to operate after installation, the first step is to check electrical connections. A) True B) False
What should the operator do if there are marks from the articulating paper on the sealant after checking the occlusion? a. Remove and replace the sealant b. Remove high spots with finishing burs c. Apply additional sealant to improve coverage d. Apply the curing light for a few additional minutes
Which type of chains sprockets have annular rings? Detachable Roller Pintle Silent
A(n) __ is used in a pulling motion to smooth and shape the floor of the cavity preparation. a. hatchet b. hoe c. chisel d. excavator
Tool Required:Depth Micrometer 19.Which way do you turn the lock nut to engage and disengage the lock on the depth rod and how far does it turn? a. Engage clockwi se/Disengage counterclockwise b. Disengage clockwise/Engage counterclockwise 20.With the lock nut disengaged turn the thimble counterclockwise what happens to the depth rod? a. It retracts b. It extends c. Nothing 21.Turn the thimble clockwise, without returning to "zero" and describe what hap- pens? a. It retracts b. It extends c. Nothing 22.Now do the same thing using the ratchet stop/speeder.Is there a difference in resistance? a. Yes b. No 23.Lock the depth rod with the lock nut and attempt to turn the ratchet stop! speeder. What happens? a. Nothing b. The depth rod moves and the ratchet does not click c. The depth rod moves and the ratchet clicks d. The depth rod does not move and the ratchet clicks 24.Using the ratchet stop/speeder return the micrometer to the "zero position on the sleeve. Is the measuring rod flush with the base? a. Yes b. No 25.Replace the 0 -1" measuring rod with the $1-2''$ measuring rod. Turn the thimble to the "zero" on the sleeve. Does the measuring rod extend out of the base? a. Yes b. No
