What is the primary fuction of portland cement in concrete? -portland cement act as a bonding material when mixed with water Why seashore sand not syitable for concerete? -seashore sand is not suitable due to its containing weakening chemical.. What is the purposed of coarse aggregates in concrete? -coarse aggregates acts as fillers between fine aggregates, e hancing stability What factors is most crucial determing the strength of a concrete mixture? -Amount of water is crucial in determining the strength of a concrete mixture -To much water is reduce strength by 25% to 50% In the CLASS A concrete mixture 1:2:4 what does the ratio 1:2:4 repesent? -its repesent of Cement:sand Gravel What is recommend time frame for pouring mixed concrete after mixing? -WITHIN 30 MINUTES What tool is essential for transpirting aaggregates in hand mixing -WHEELBARROW is Essential for transporting aggregates in hand mixing Why is it crucial to avoid water contianing mud, oul, alkali and other matters in concrete? -Avoiding impurities in water is crucial to prevent increased porosity in concrete. What is the purposed of plumb level in concrete work? -A plumb level ensures the Vertical alignment of concrete structures. What is primary function of an AUGER BIT? -auger bits are design for BORING HOLES IN WOOD When would you use an expansive bit? -EXPANSIVE BITS are use for boring holes in wood woth diameter more than 2.5 centemeter. What is the purposed of the braces in woodworkinv? -A BRACE is used for holding when boring holes in woods What is the main function of hand drill? -A hand drill is used for boring holes with DRILLS bit than 1/4 inch in diameter When would you use a BRADAWL? -A BRADAWL is used for makinv a small holes in wood for screws and nails. What is the primary purposed on electrict drill? -an ELECTRIC DRILL is electrically operated and used to bore holes with a desire soze using drill bit Why does an Electric drill required regular maintenance? -regular maintenance is neccessary to prolong the life of an electric drill. What is the primary purposed of a claw hammer? -a claw hammer primarry driving nails, with the claw for pulling out nails When would you use a mallet in woodworking? -a mallet is used to prevent the handle of CHISEL FROM BREAKING What is the function of framinv square? -a framing square is used for measuring angles in woodworking.
Focus Kayo sa TOS natin, ito yun: 1. Industrial Arts - Parts I & II 2. Home Economics Literacy, Family and Consumer Life Skills 3. Introduction to ICT 4. Agriculture and Fishery ( Parts I and Part II) 5. Entrepreneurship 6. Technology for Teaching and Learning 7. Home Economics, Industrial Arts, ICT, and Agriculture and Fishery Arts, and 8. Research Sa TTL 1 and 2, Research, at ICT mas mag effort kayo, kasi nasa scope din cya meaning pwede din ang mga ito lumabas sa Prof Ed. LABAN!
