The fastest method for charging a large system which holds 50 pounds of refrigerant is to add:
A) Liquid into the king valve with the king valve front-seated and the system operating.
B) Liquid into the suction service valve with the system running.
C) Vapor into the suction service valve with the system off.
D) Vapor into both the suction service valve and king valve with the system off.
Question 2
Which of the following statements regarding safety training sessions is correct?
a. They are usually conducted by the project manager.
b. They are only conducted for new employees.
c. They should be conducted frequently by the crew leader.
d. They are only required after an accident has occurred.
Large numbers of plant species can flower at once in this grassland in Kinsella, Alberta.
Photograph of a brain specimen with a large malignant tumor.
The male reproductive system, sagittal section showing the organs of the system and their relation t
The human gustatory system.
Female Reproductive System "الجهاز التناسلي للأنثى"
graphic(04-40.jpg) Mary pushes horizontally on a large, heavy table which is s