Technician A says that a system should be evacuated for twice as long if the vacuum pump will only pull it down to 20"Hg. Technician B says that the system might have a leak in it if it will not pull down into a deep vacuum. Who is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B


B) Technician B only

Trades & Technology

You might also like to view...

A defective vacuum brake booster will cause a ________

A) Soft (spongy) brake pedal B) Low brake pedal C) Slight hiss noise when the brake pedal is depressed D) Hard brake pedal

Trades & Technology

Describe the importance of colostrum to the health of newborn mammals.

What will be an ideal response?

Trades & Technology

Random defrost is accomplished ____.

A. with a timer B. using a high pressure control C. using a low pressure control D. occurs automatically during the off cycle of the compressor

Trades & Technology

You wish to drop an ice cube into a cup of hot water to cool the water. The temperature of the ice cube is -10°C, and the water temperature is 92°C. Convert both of these temperatures to Kelvin, and determine the difference between the temperatures in both K and °C.

Given: Tice (°C) = -10°C; Tw (oC) = 92°C

Trades & Technology