hand tools
measurements
meters
refrigeration
fun
100

hand tool with closing jaws for gripping and cutting

pliers

100

a U.S.A. customary dial caliper indicates measurements in?  

thousands of an inch

100

_____ produced by magnetic field generated by current carrying conductors. EX. fluorescent lighting 

ghost voltage 

100

device used to recover refrigerant 

recovery machine 

100

how many volts are in a police taser 

50,000

200

an abrasive hand tool with single or double rows of fine teeth cut into the surface

file

200

a pilot tube measures ________ pressure and total pressure in duct 

static

200

device used to measure gas pressure

manometer

200

device used to evacuate a system 

vacuum pump

200

commercial/industrial hvac and refrigeration systems, do to the large capacity, typically use large tubing up to______?

6 inches or greater in diameter 

300

a tool applied to the end of tubing used to flare the end of the tubing 

flare tool

300

is used to measure the air flow in cfm from diffusers 

anemometer

300

a _______ is a thermal expansion thermometer that uses a strip consisting of 2 alloys with different coefficients of thermal expansion that are fused together and formed into a single strip and a pointer or indicating mechanism calibrated for a temperature reading

bimetallic thermometer 

300

process that allows refrigerant to be removed from a system in any condition 

recovery 

300

what did mike eat for lunch yesterday 

nachos 

400

tool used to cut threads into steel pipe 

threader/die

400

a device that measures average air velocity or average air flow rate.

anemometer 

400

a _____ is a psychrometer that has the wet and dry bulb thermometers connected to there recorder 

recording psychrometer 

400

what color is the recovery hose

yellow/middle 

400

a typical use of tubing is ________?

transfer of refrigeration to evaporator, compressor, condenser, and a metering device 

500

a torch used to soft solder

mapp gas torch 

500

a _______ refrigeration gauge reads positive pressure in psi and negative pressure in inches of vacuum 

compound

500

detects insulation deterioration by measuring high resistance values under high voltage test conditions 

megohmmeter 

500

what is the distinguishing features of acr tubing and non acr tubing 

acr tubing is sized by od instead of id

500

what did chuck eat for lunch today 

pork chop