Technician A says that, as wear occurs, camber usually becomes negative. Technician B says that, as steering linkage wear occurs, toe usually becomes toe-out from an original toe-in specification. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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Saturated liquid R-134a at 120 psia enters a throttling valve. The R-134a exits the throttling valve at a pressure of 30 psia. Assume that there is no change in velocity.
(a) Determine the exit quality of the R-134a. (b) Using your model of a throttling device, determine the exit quality of the R-134a for exit pressures ranging from 20 psia to 100 psia. Given: P1 = 120 psia; x1 = 0 (saturated liquid); P2 = 30 psia R-134a (Take State 1 as the inlet, State 2 as the outlet.) Assume: Q?=W?=0. For a throttling valve, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?
Blue smoke is present in the exhaust. Technician A says this can indicate worn piston rings. Technician B says this can indicate improper valve adjustment. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
Utility rooms are often placed near either the bedrooms or the kitchen area.
Answer the following statement true (T) or false (F)
As the temperature of a material increases, the molecules in the material ____.
A. travel farther B. travel faster C. slow down D. travel in more of a parallel direction