An air-conditioning system using capillary tubes is operating on a 95°F outdoor temperature and an evaporator superheat of 12°F. If water is sprayed on the condenser, what will happen to the superheat and why?
What will be an ideal response?
Superheat will decrease due to reduction in head pressure because of increased condenser capacity from the heat removed from the latent heat pickup of the water.
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Technician A says that desired rail pressure in a CR fuel system is signaled by the rail pressure sensor. Technician B says that actual rail pressure in a CR fuel system is calculated by the ECM. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
If you were designing a computer data acquisition system that required the use of analog-to-digital converters when analog data are changing at a fast rate, you would most likely select an SAC A/D converter over a digital-ramp A/D because:
A) the SAC is less complicated than its digital-ramp counterpart. B) the SAC will enable the computer to acquire more data values in a given period of time.
Fluid level is being checked on an automatic transmission that contains no dipstick. After bringing the transmission to operating temperature and removing the plug no transmission fluid is seen dripping from the outlet. Technician A says this is normal and the fluid level is correct. Technician B says this indicates and overfilled or overheated transmission. Who is correct?
A. Technician A B. Technician B C. Both Technicians A and B D. Neither Technician A or B
____ data transmission is the movement of data that is controlled by a clocking device that determines exactly when data should move.
a. Parallel b. Serial c. Synchronous d. Asynchronous