Without this, a pump or fan would only be able to run at one speed, and that might not be the most efficient use of motor power. Modulating actuator Variable speed drive Secondary controller None of the above

Most dispensers have o(n) __ to stop the flow of propone in on emergency. OPD(overflow protection device) hose-end valve alarm shutdown system

Un sobrecalentami ento bajo en un 20 puntos evaporador indica: baja carga de refrigerante baja presion del rerigerante alta presion del refrigerante sobrecarga de refrigerante

When scientists use technology to create solutions to problems they try to find the simplest way to meet all the needs they have. false true

Headlights use a high-intensity bulb or lamp and a low-intensity bulb or lamp and a __ to switch between the two circuits. Select one: A. touch screen B. switch C. voice command D. push button

A variable air volume or VAV box controller is an example of A primary controller A secondary controller An application-specific controller None of the above Mark for follow up

What is not feasible for an emergency shutdown system? Backup power Automatic reset Vibration alarm Deviation alarm

A keyless remote start is not working. Technician A says the trunk of the vehicle may be open. Technician B says that the key fob may be too far away from the vehicle. Which technician is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B

Audio inspections include determining whether any hissing, bubbling, or other sounds can be heard that indicate the presence of emissions. True False

What two methods are used to start a plasma arc cutting arc? Select one: a. HF Arc and Contact b. Contact and Scratch c. HF and Scratch

20.- Escribe ¿cuáles son algunos materiales aislantes de la electricidad? __