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Low quality of jute fibre is attributed to
1. Discoloration of fibre
2. Very short fibre strands
3. Reduction of cellulose in fibre
4. Reduction of cell wall strength over-retting decreases the fibre quality due to
Select the correct answer:
A glass fibre reinforced epoxy composite is made with 60 wt.% unidirectional continuous glass fibres. The elastic moduli of the glass fibre and the epoxy matrix are 72.5 and 2.4 GPa, respectively. What is the elastic modulus of this composite along the fibre direction, in GPa? The densities of glass fibre and epoxy are 2.58 g/cm3 and 1.14 g/cm3, respectively
Which one of the following statement is/are incorrect with respect to fibre intake in animals? 1. Forage dry matter consumption should be near 2% of the body weight. 2. At least 21-25% acid detergent fibre should be in the total ration. 3. At least 28-30% neutral detergent fibre should be in the total ration. 4. Provide at least 3 Kg of fibre a day.
Consider the following statements.
1. Fibre optics is based on the principle of total internal reflection.
2. In an optical fibre communication system, power consumption is extremely low
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance Group of Industries is engaged in the manufacture of the optical fibre.
Which of these statements are correct?
পিতা ও পুত্রের বয়সের অনুপাত ৭ঃ ৩। ৪ বছর পূর্বে তাদের বয়সের অনুপাত ছিল ১৩ঃ ৫। বর্তমানে কার বয়স কত ?
পিতা ও পুত্রের বয়সের অনুপাত ৭ঃ৩ । ৪ বছর পূর্বে তাদের বয়সের অনুপাত ছিল ১৩ঃ ৫ । বর্তমানে কার বয়স কত?
পিতা এবং পুত্রের বয়সের অনুপাত ৭ঃ৩ । চার বছর পূর্বে তাদের বয়সের অনুপাত ১৩ঃ ৫। বর্তমানে পিতার বয়স কত?
৪ঃ৬, ৫ঃ২, ও ১ঃ৩ এর মিশ্র অনুপাত কত?
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
In a mess Pasta, Pizza, Burger, Lasagne, Nachos, Tortilla and Falafel are made for snacks from Monday to Sunday with the week starting on Monday. Pasta is made on the last day. Nachos are made in middle of the week. Tortilla and Pizza are made between Thursday and Sunday. Lasagne is made on Tuesday. Tortilla is made just 2 days after Falafel. When is burger made?