Technician A says that engine output can be improved by increasing the amount of the air-fuel mixture that is burned in the cylinder. Technician B says that increasing the amount of the air -fuel mixture reduces volumetric efficiency. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B

Question 16(Multiple Choice Worth 3 points) (Lesson 8.3 LC) If the brake warning light comes on as you are driving, you should slow down and drive the vehicle home have the brake system inspected immediately and repaired as needed shut off the warning light ignore it the first time it happens

What's the best way to unroll a large spool of wire mesh? Cut the mesh at regular intervals. Stand on the open side as you unroll it. Unroll it down a slope. Turn the roll over.

Which part(s) will you find on an Otto engine, but not on a diesel engine? Camshaft Valves Spark plug Crankshaft

Gas cylinders must be chained or secured at all times. A. False B. True

If solid wire is nicked during the stripping process, a good practice is to __ Smooth out the wire with a file Repair the wire using solder Cut and strip the wire again Splice the wire with another wire

Wires are fed through conduit by hand or by using __ Electrical tape Fish tape Wireways Wire ties

Drum scoring can be caused by all of the following except: a. Inferior brake lining materials b. Excessive dust build up c. Changes in drum metallurgy d. Worn linings

7. What is the name of the process that hardens integral valve seats? $\square $

3. En una instalación de agua caliente en una zona de gran altitud (más de 5,000 pies), ¿qué debe considerarse al seleccionar el calentador? A) El tipo de válvula check B) El diámetro del tanque C) La reducción de eficiencia del quemador 10 puntc

When the emergency heat feature of a heat pump is activated, the usual effect on the heat pump is the gas or oil furnace is disabled. the compressor and electric heaters operate together. electric heaters operate if the compression heat is inadequate. only the supplemental heat source and the indoor blower operate.