Portland cement is a _____ cement, which means that it sets and hardens by a chemical reaction with water.
A. hydraulic
B. natural
C. hydrated
D. lime-sand
Answer: A
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Las losas nervuradas, confor- madas por nervaduras o viguetas de concreto reforza- das que están coladas mono- líticamente con una losa del- gada en la parte superior, también se conocen como losas _____.
a. de placas planas armadas en dos direcciones b. de vigueta armadas en una dirección c. macizas armadas en una dirección d. de varios componentes
In the accompanying figure, the item identified as number 1 is the ____.
A. top view B. frontal plane of projection C. front view D. lines of protection
How can a mentor help the beginning technician?
A) Help trainee practice procedures B) Allow trainee to borrow tools C) By making loans D) Ride sharing
The tributary side interfaces found in a metro SONET mux ranges between ________ and ________
Fill in the blank(s) with correct word