Q. Three sets of parallel plates LM, NR and PQ are given in Figures 1, 2 and 3. The view factor FIJ is defined as the fraction of radiation leaving plate I that is intercepted by plate J. Assum that the values of FLM and FNR are 0.8 and 0.4, respectively. The value of FPQ […]
Casparian strips occur in Option 1 : Pericycle Option 2 : Endodermis Option 3 : Epidermis Option 4 : Cortex Correct answer is option 2
Q. The aerodynamic drag on a sports car depends on its shape. The car has a drag coefficient of 0.1 with the windows and the roof closed. With the windows and the roof open, the drag coefficient becomes 0.8. The car travels at 44 km/h with the windows and roof closed. For the same amount
Select the wrong statement Option 1 : Mushrooms belong to Basidiomycetes. Option 2 : Cell wall is present in members of Fungi and Plantae. Option 3 : Pseudopodia are locomotory and feeding structures in Sporozoans. Option 4 : Mitochondria are the powerhouse of the cell in all kingdoms except Monera. Correct option is Option 3
Pneumatophores occur in Option 1 :Halophytes Option 2 :Carnivorous plants Option 3 :Free-floating hydrophytes Option 4 :Submerged hydrophytes Correct option is Option 1.
Which of the following statements is correct? Option 1 Horsetails are gymnosperms Option 2 Ovules are not enclosed by ovary wall in gymnosperms Option 3 Selaginella is heterosporous, while Salvinia is homosporous Option 4 Stems are usually unbranched in both Cycas and Cedrus Option 2 is correct
Q. Water flows through two different pipes A and B of the same circular cross-section but at different flow rates. The length of pipe A is 1.0 m and that of pipe B is 2.0 m. The flow in both the pipes is laminar and fully developed. If the frictional head loss across the length
Q. A short shoe external drum brake is shown in the figure. The diameter of the brake drum is 500 mm. The dimensions a = 1000 mm, b = 500 mm and c = 200 mm. The coefficient of friction between the drum and the shoe is 0.35. The force applied on the lever F
Q. A uniform disc with radius 𝑟 and a mass of 𝑚 kg is mounted centrally on a horizontal axle of negligible mass and length of 1.5𝑟. The disc spins counter-clockwise about the axle with angular speed 𝜔, when viewed from the right-hand side bearing, Q. The axle precesses about a vertical axis at 𝜔𝑝
Q. The probability that a part manufactured by a company will be defective is 0.05. If 15 such parts are selected randomly and inspected, then the probability that at least two parts will be defective is (round off to two decimal places). Ans: 0.16 – 0.18 Sol: ⇒ Probability of 0 or 1 defective =
