Which type of port fuel injection allows mixture adjustments between the firing of each cylinder?
A) Simultaneous
B) Sequential
C) Throttle body
D) Ganged
B
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Refer to the figure above to find the numerical value of sin 46.5 degrees.
a. 0.5387 b. 0.6193 c. 0.6532 d. 0.7254
Oversized suction lines:
A) Can reduce system efficiency because of a high pressure drop. B) Can cause poor oil return because of low refrigerant velocity. C) Can reduce system efficiency because of a low pressure drop. D) Can cause poor oil return because of high refrigerant velocity.
Joints for structural shapes may also be formed by ____ the members.
A. bending B. cutting and bending C. cutting D. bending and shaping
Which of the following are primarily designed for use with inductive motor loads and to withstand the interrupt current of a locked rotor?
a. Lighting contactors b. Definite-purpose contactors/motor starters c. NEMA-rated contactors/motor starters d. IEC-rated contactors/motor starters