6. Flux must be removed from the base metal in order to allow the silver solder to adhere to it. a. True b. False c. Only in cases when the base metal is oxidized. 7. The principle use of silver solder in aircraft work is in the joining of high pressure __ lines. a. Oil b. Water c. Oxygen Refer to figure 5-27 on the following page in order to answer the following questions: 8. Solder Joint A is a a. Lap Joint b. Edge Joint c. Flanged Butt Joint 9. Solder joint B is a: a. Lap Joint b. Edge Joint c. Flanged Butt Joint

True or False: Robots are often used to improve worker safety. True False

Which of these are desirable features of a ventilation system that is functioning as designed? Foul-smelling odors Easy to clean Smoke and fumes Condensation

Rectifiers can be divided into two basic types, single phase and three phase. True False

The average DC voltage for the bridge rectifier can be computed in the same manner as the two-diode type full-wave rectifier. True False

Brunelleschi demonstrates the construction of the dome at the Florence Cathedral by using which object: an ink quill an egg the Pantheon an apple

An engineer decides to develop technology that will help decrease sound pollution due to highway traffic noise. What step of the engineering process did she just undertake? A. Make a plan. B. Identify a need. C. Test and evaluate. D. Know the background.

Test - Understanding Steam Sterilization Study Guide Which of the following is an observation point to be monitored once a shift on a large hospital boilers? Thermostatic trap Pressure reduction valve Drip leg Sight glass

Milan is on a design team that needs to run a hardened carrier PDS underground between two buildings. What requirement would Milan add to the specifications? a. It must be buried at least 25 feet below surface level. b. It can only be used for fiber-optic cables. c. It must be visually inspected on a weekly basis. d. It must be encased in concrete

Junction diodes typically have a PIV rating of 100 volts or greater, but LEDs have a typical PIV rating of about 5 volts. True False

Hot Questions

9 Multiple Choice 1 point Which of the following is not a measurement function of a DMM? Pressure Voltage Continuity Resistance

An oilless lubricating system uses a well or reservoir in the end bell. A True B False Question 8 Which of the following statements about replacement capacitors is false? A They should have the same capacitance value as the original. B They should have a capacitance value up to $25\% $ greater than the original. C They should never be undersized. D They may have a capacitance value up to $10\% $ greater than the original.

Split-phase motors use a(n) __ to disconnect the start windings as the motor approaches running speed. A unloader B VFD C squirrel cage rotor D centrifugal switch Question 12 On a capacitor-start,induction-run motor, a centrifugal switch or relay disconnects __ when the motor reaches about $75\% $ of its rated speed. A the start winding only B the start capacitor only C both the start winding and start capacitor D both the start capacitor and run capacitor

Just before lifting off a rotary wing pilot must check the weather at the scene for a medical transport. In addition the pilot must also: Know the condition of the patient. Check the weather at the receiving hospital. Inventory all equipment on board the aircraft. Know the experience of the crew setting up the landing zone.

Advantages of ECMs include the following, except __ A ability to maintain constant airflow B easily replaceable brushes C efficient performance D variable speed Question 22 Important motor information such as rated voltage time rating, insulation class frequency, phase, and horsepower can be found on the __ A motor frame B motor nameplate C bearings D shaft

Which type of discontinuity is NEVER visible during visual inspection? underbead cracking porosity toe cracks undercut

The NEC in Table 210.24 shows that the minimum conductor size for branch-circuit wiring is __ 16 AWG 20 AWG 18 AWG 14 AWG

424170 What is the minimum number of trenches that should be dug across a truck-bed, railcar, or barge to acquire a representative sample? 3 (three) 4 (four) 5 (five) 7 (seven)

Nickel alloys should not be heat-treated. Select one: True False

The operator interface audible alarm sounds when there is a hydrogen event. Select true or false. True False