Why Bentup bars (Crank) are provided in beams ?
Bent up bars or cranks are provided in the beams or slab to resist the hogging and sagging Bending moments and also used to resist Shear forces which are greater at supports.
PERFECT TENSE (TENSES PART 3)
PERFECT TENSE :- (TENSES PART 3) Flow diagram of Tenses TYPES OF PERFECT TENSE RULE(AFFIR.) INTERRO(?) NEG PRESENT PERFECT Sub+Has/Have+V3+O Has/Have+S+V3+O+? S+Has/Have+not+V3+O PAST PERFECT S+Had+V3+O Had+S+V3+O+? S+Had not+V3+O FUTURE PERFECT S+Will/shall+Have+V3+O Will/shall+S+Have+V3+O+? S+Will/shall+not have+V3+O Note :- HAS , is a dded when Subject(S) is SINGULAR NOUN. e.g., (He, She, It) HAVE, is added when Subject(S) is PLURAL. e.g., (We, You, They, These, Those) HAD, is added in Past Perfect Tense. Let's see some examples for PRESENT PERFECT TENSE :- 1. He has gone to school. (Simple Affi.) 2. Has she worked hard ? (Interro ?) 3. Mohan has not read a book. ( Negative) 4. I have gone to market. (Simple Affi.) 5. Have t hey worked hard ? (Interro ?) 6. We have not done work. ( Negative) PAST PERFECT TENSE :- Let's see some examples of Past Perfect Tense :- 1. He had gone to school. (Simple Affi.) 2.
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