1. A jet of water 40 mm in diameter has a velocity of 25 m/s. Find the power of the jet:
2. Hydrophobic cement is obtained by grinding ordinary Portland cement clinker with :
3. A three hinged arch of span 20 m and rise 4 m carries a uniformly distributed load of 25 kN/m. Horizontal thrust is :
4. The pipe joint commonly used in pumping station are :
5. Temperature dependency of equilibrium constant is predicted by :
6. Baffles in shell and Tube heat exchangers are provided mainly for :
7. Knudsen diffusivity is :
8. If the equilibrium speed of a governor is constant for all radii of rotation of the fly balls within the working range, it is known as :
9. Internal gear cutting operation can be performed by :
10. If two nodes are observed at a frequency of 1200 rpm during whirling of a simply supported long slender rotating shaft, the first critical speed of the shaft in rpm is.
11. Which Newspaper was founded by Vakkom Moulavi?
12. How many members are there in the Kerala legislative assembly?
13. Mannathu Padmanabhan was the president of which Devaswom board?
14. A triangle lamina having a base 1m and height 1.5m is placed vertically under waterwith the base parallel to the water surface and the base below 3 m of water. The total forceexerted on one face is :
15. If the velocity potential function is given by ɸ - 3x 4y, find the magnitude and direction ofvelocity at any point:
16. Find the hod slope 'i' of a wide rectangular channel so that the flow to roach a given critical depth de and Manning’s coefficient n :
17. The discharge available from a tube well is 120 m3/hr. Assuming 3200 h of working of the tube well for a year, the intensity of irrigation as 50% and average depth of Eabi and Kharif crop as 48 cm, the culturable area that this tube well can command is :
18. Lacey's formula for fixation of water way is :
19. An offset is laid out 2o from its true direction on the field, If be scale of plotting is 10 m to 1 cm. find the maximum length of the offset so that the displacement of the point on the paper may not exceed 0.25 mm?
20. The following perpendicular offsets were taken at 10 m intervals from a survey line to an irregular boundary line :3.25, 5.6, 4.2, 6.65, 8.75, 6.2, 3,25,4.2, 5.65. Calculate the area by trapezoidal rule
21. A square footing 2.5 m ˟ 2.5 m is built in a homogeneous bed of sand of unit, weight. 20 kN/m3 and having an angle of shearing resistance of 36o. The depth of the base of the tooting is 1.5 in below the ground surface Calculate the safe load that can be carried by a footing with a factor of safety 6 against complete shear failure?Hearing capacity factors Nc =65.4,
22. How much initial slump is required for a concrete mix to he fluidised by plasticizers or super plasticizers?
23. ISO: 800-2007 limits the values of width thickness ratios of the elements nf a steel section to place a check on :
24. The- shape factor of a square of aide ‘a’ with its diagonal parallel to the ZZ axis is :
25. Strength of a 20 mm diameter bolt of grade 4.6 for a single cover butt joint. The cover plate being 10 mm thick. Assume steel of grade Fe 410, ∫ͧ=410 MPa, for bolts of grade 4.6, f ͧ b - 400 MPa, Partial safety, factor for the material of the boll - 1.25 and net tensile stress area of 20 mm diameter bolt A nb 245 mm2, k-b -0.5 in single shear is :
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