When servicing a driveshaft, technician A says that its a good idea to tape the U-joint caps to prevent them from coming off. Technician B says that needle bearings are used with these type U-joints. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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La cantidad de gajos de una cabeza está determinada por ____.
a. un cuadro b. la división del diámetro por el ancho del gajo que con mayor facilidad se instale c. la multiplicación del diámetro por pi d. la división de la circunferencia por el ancho del gajo que con mayor facilidad se instale
Heat is added to an initial 0.15-m3 volume of steam with a quality of 0.5. Estimate the final temperature if 800 kJ of heat is added while the pressure remains constant at 400 kPa.
A) 180°C B) 220°C C) 260°C D) 300°C
Gypsum is the most widely used chemical for the reclamation of sodic soils. What characteristic likely accounts for this popularity?
A) Gypsum is quite insoluble so it remains in the soil for long periods of time. B) Gypsum forms sulfuric acid that helps reduce the soil pH. C) Gypsum provides sulfates that attract Na+ from the exchange complex. D) Gypsum reacts with Na+ ions to form insoluble Na2SO4. E) Gypsum is abundant and low priced.
One of two basic types of drawings cutting through an entire building or structure, ____ cut across the entire width of a building.
A. longitudinal sections B. cross sections C. lengthwise sections D. lateral sections