Military (MIL) standards recommend three line thicknesses: thick (cutting and viewing-plane, short break, and object), medium (hidden and phantom), and thin (center, dimension, extension, leader, long break, and section).
Answer the following statement true (T) or false (F)
True
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Technician A says that air-conditioning service machines are used exclusively with HFC-134a systems. Technician B says that refrigerant containing sealers should be recycled. Who is correct?
A. Technician A B. Both Technicians A nd B C. Neither Technician A nor B D. Technician B
A house will have a counter-mounted cooking unit with a nameplate rating of 4 kW and a wall-mounted oven with a nameplate rating of 6 kW. A separate individual branch circuit will be run to the counter-mounted cooking unit and to the wall-mounted oven. What is the branch circuit load for each of the appliances in amperes?
What will be an ideal response?
A cracked exhaust manifold can cause false readings from which of these engine sensors?
A) Coolant temperature sensor B) Intake air temperature sensor C) Exhaust temperature sensor D) Oxygen sensor
Why are the EGR gasses cooled before entering the engine on some engines?
A) To prevent damage to the intake valve. B) To help prevent the exhaust from slowing down. C) To prevent heating the air-fuel mixture in the cylinder. D) Cool exhaust gas is more effective at controlling NOx emissions.