MATERIALS ENGINEER REVIEWER - DPWH
1. What is the test frequency for concrete compressive and flexural strength? a) 1 set per 75 m 3 b) 2 set per 85 m 3 c) 1 set per 50 m 3 d) 2 set per 75 m 3 2. How many sets of concrete beam specimen are you going to prepare for 800 m 3 of concrete mix? a) 5 b) 7 c) 9 d) 11 3. Concrete specimen molded in a 6" Ø x 12" cylinder should be rodded _______ times per layer. a) 25 b) 56 c) 63 d) 10 4. Concrete specimen molded in a 6" x 6" x 21" beam should be rodded _______ times per layer. a) 26 b) 25 c) 63 d) 62 5. Max temperature of fresh concrete a) 32 o C b) 31 o C c) 30 o C d) 29 o C 6. Immersion depth of thermometer when getting fre...
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