Technician A says a low but steady idle vacuum reading indicates a sticking valve. Technician B says a fluctuating vacuum gauge reading indicates incorrect ignition timing. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
D
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One-pipe, gravity-return steam systems do not use _____
a. air vents b. traps c. heat exchangers d. radiators
A survey of cars on a certain stretch of highway during morning commute hours showed that 70% had only one occupant, 15% had 2, 10% had 3, 3% had 4, and 2% had 5. Let X represent the number of occupants in a randomly chosen car.
a. Find the probability mass function of X.
b. Find P(X ? 2).
c. Find P(X > 3).
d. Find 
.
e. Find 
.
When the fuel pressure regulator is deactivated, the fuel pressure defaults to ________
A) 60 PSI B) Acceleration mode C) Low pressure mode D) High pressure mode
An advantage of ________ is the elimination of nails on the surface of the deck
A) Ledger boards B) Hidden fasteners C) Tension wires D) Post caps