100% satisfaction guarantee Immediately available after payment Read online or as PDF No strings attached 4.6 TrustPilot
logo-home
Exam (elaborations)

HVAC FIRST TEST | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTION

Rating
-
Sold
-
Pages
14
Grade
A+
Uploaded on
21-02-2026
Written in
2025/2026

HVAC FIRST TEST | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTION

Institution
Hvac
Course
Hvac

Content preview

HVAC FIRST TEST | QUESTIONS AND ANSWERS | 2026
UPDATE | WITH COMPLETE SOLUTION




El sistema R-410A tambien es conocido como:
a. Suva 410
b. AZ-20
c. Puron
d. Todas las anteriores Answer - d. Todas las anteriores


La temperatura de deslizamiento del R-410A es menor de ____ grados
Fahrenheit sobre el rango de operaciones del A/C y la refrigeracion.
a. 0.3
b. 0.9
c. 1.0
d. 1.5 Answer - a. 0.3


El Aceite (Poly Ester) Polio-ester (POE)
a. Puedo irritar la piel
b. Es hidroscopio
c. Mejora la transferencia de calor sobre los aceites minerales
d. Todas las anteriores Answer - d. Todas las anteriores


El interruptor de control de la baja presion de un sistema R410A se activa a:
a. 50 psig

, b. 30psig
c. 70psig
d. 90psig Answer - a. 50 psig


El inaice de relacion de compresion es calculado como:
a. Presion absoluta de succion dividida entre la presion absoluta de descarga.
b. Presion de descarga dividida entre la presion de succion.
c. Presion absoluta de descarga dividida entre la presion absoluta de succion.
d. Presion de succion dividida entre la presion de descarga. Answer - c. Presion
absoluta de descarga dividida entre la presion absoluta de succion.


Tanto la presion de succion como la presion de descarga del sistema R410A son
____ que el sistema R-22.
a. Igual
b. De 40% a 70% mas alta
c. 60% mas baja
d. De 10% a 30% mas alta Answer - b. De 40% a 70% mas alta


Debido a su capacidad alta del caliente vapor de la temperatura de descarga
del R410A es que el R-22.
a. Alta
b. Baja
c. La misma
d. Ninguna de las anteriores Answer - b. Baja


El interruptor de alta presion que usan los sistemas con R410A se abren
aproximadamente a:

Written for

Institution
Hvac
Course
Hvac

Document information

Uploaded on
February 21, 2026
Number of pages
14
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
EvaTee Phoenix University
View profile
Follow You need to be logged in order to follow users or courses
Sold
5139
Member since
4 year
Number of followers
3565
Documents
54131
Last sold
16 hours ago
TIGHT DEADLINE? I CAN HELP

Many students don\'t have the time to work on their academic papers due to balancing with other responsibilities, for example, part-time work. I can relate. kindly don\'t hesitate to contact me, my study guides, notes and exams or test banks, are 100% graded

3.8

938 reviews

5
447
4
166
3
170
2
47
1
108

Trending documents

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions