Two technicians are discussing a power window that travels up and down very slowly. Technician A says that unwanted resistance in the wiring to the power window motor could cause this. Technician B says that a short to ground in the wiring to the motor could be the cause. Who is correct?

A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B


A. Technician A only

Trades & Technology

You might also like to view...

Consider a 20-cm-thick granite wall with a thermal conductivity of 2.79 W/m•K. The temperature of the left surface is held constant at 50°C, whereas the right face is exposed to a flow of 22°C air with a convection heat transfer coefficient of 15?W/m2•K. Neglecting heat transfer by radiation, find the right wall surface temperature and the heat flux through the wall.

Trades & Technology

Before removing the piston and rod assembly from the cylinder block, you should do all of these, EXCEPT ________

A) Make sure the rods are marked to their respective cylinders B) Remove the cylinder ridge with a ridge reamer C) Notch the top of the piston for identification D) Install rod bolt protectors

Trades & Technology

A commonly used sensor that induces an AC voltage by having a rotating reluctor cut through a permanent magnetic field is used for:

A. wheel speed sensors B. transmission tailshaft speed sensors C. engine speed sensors D. all of the above

Trades & Technology

A solar water heating system with an SEF of 2.5 costs $2,500.00 fully installed and operational. What is the payback period when compared to a conventional electric water heater with an EF of .90 that costs $275.00 installed? (12.03 = a constant for the average kWh/day of electricity used in electric water heaters and 12¢ = 2014 national average cost of electricity in kWh)

A) 8.42 years B) 2.78 years C) 6.67 years D) 10.38 years

Trades & Technology