All the technology listed below was needed to send astronauts to the moon and return them safely to Earth. Which technology was already used on Earth for purposes other than sending astronauts to the moon? Spacesuits protected astronauts from radiation and extreme temperatures on the moon's surface. The space capsule protected the astronauts from the extreme conditions in the vacuum of space. The lunar lander allowed astronauts to land on the moon and take off back into space to return to Earth. Radio wave communication allowed the astronauts on the moon to talk to people on Earth.

A __ is sold only at plumbing supply stores and can cut smaller diameter PVC and CPVC pipe very fast. A) snap cutter B) power miter saw C) plastic tubing cutter D) ratcheting plastic-pipe cutter

Water supply fittings are available for all of the following except A) copper. B) PEX. C) steel. D) CPVC.

A __ makes fast., accurate cuts in a wide variety of materials, including plastic pipes. A) motorized drain auger B) right-angle drill C) power miter saw D) MAPP torch

Which supply pipe material is inexpensive and flexible enough to make gentle bends around corners? A) PVC B) PEX C) Copper D) CPVC

Push fittings are available as all of the following except A) coupling tees. B) wye fittings. C) elbow fittings. D) shutoff valves.

Design software for PV racking systems primarily helps by: Lowering system costs Automating installation Simulating performance outcomes Improving module lifespan

The mounting nut on the toilet handle has __ threads. A) reversed B) common C)extra-large D) standard

Quizzing Mode:Combination Vehicles 2 Question (11/50) What is the emergency air line? Air lines that control the emergency brakes on combination vehicles Air lines connecting the parking brake to the trailer brakes Air lines that control the emergency brakes of the tractor

A three-valve system that's sometimes installed on the back of water softeners allows the house water to __ the softener if needed. A) enter B) exit C) bypass D) neutralize

Typically, a washing machine uses a vertical __ drain. A) tee B) vent stack C) elbow D) standpipe