The spark ignition internal combustion engine developed by Nikolas Otto in 1876 uses ____ strokes in its cycle to produce power
a. two c. six
b. four d. eight
B
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?Technician A says that an SAE 40 oil has a lower viscosity than an SAE 20W-50 at engine operating temperature. Technician B says that a 10W-40 multiviscosity oil reaches bearings faster when the engine is first started than an SAE 30 single viscosity oil. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
List at least four different types of materials typically used to protect the roof:
What will be an ideal response?
A transistor consists of ____ alternately doped regions.
A. two B. three C. four D. five
¿De qué tamaño deben cortarse los trozos pequeños de cinta para cubrir los sujetadores?
a. Al menos 6" (15,24 cm) de largo b. No más de 6" (15,24 cm) de largo c. 2" d. Cuadrado