Give the chemical composition of quick lime and slaked (hydrated) lime. Which of the two is used in building construction and why is the other not used?
What will be an ideal response?
Quick lime is calcium oxide and hydrated lime is calcium hydroxide. Hydrated lime is used in building construction. Quick lime is a caustic material?injurious to humans?and cannot be used in building construction.
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Answer the following statements true (T) or false (F)
1. A plot plan becomes a legal document containing an accurate drawing and a legal description of the land. 2. Site analysis is a system of land use planning and public restrictions applied by local governments. 3. Grading plans are construction drawings that generally show existing and proposed topography. 4. A planned unit development (PUD) only allows zoning for single- and multifamily homes. 5. A PUD plan often includes a land use summary and displays special spaces, such as recreational and open spaces, or other unique characteristics.
¿Cuál de las siguientes afirmaciones relacionadas con las ventanas que permiten el ahorro de energía no es verdadera?
a. El vidrio de baja emisividad es el que permite el mayor ahorro de energía. b. Las ventanas de dos hojas que se rellenan con argón permiten un mayor ahorro de energía que las ventanas de dos hojas que se rellenan con aire. c. Una ventana de dos hojas con una cámara de aire de 1" (2.5 cm) permite un mayor ahorro de energía que la misma ventana con una cámara de aire de 1 /2" (1.25 cm). d. Las ventanas repercuten en el costo de calefacción de un edificio, pero no inciden en el costo de refrigeración.
Technician A says the piston skirts are cam ground so piston to cylinder wall clearance is maintained as the piston expands with increasing engine temperature. Technician B says that piston skirts have slipper skirts to control expansion. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Rabies is relatively uncommon in household pets
Indicate whether the statement is true or false