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G-19 S.O.M + Geotech Mix Revision Quiz 1 (App update required to attempt this test)

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Question 1

Consider a steel (Young's modulus E = 200 GPa) column hinged on both sides. Its height is 1.0 m and cross-section is 10 mm × 20 mm. The lowest Euler critical buckling load (in N) is__________

Question 2

A rod is subjected to a uni-axial load within linear elastic limit. When the change in the stress is 200 MPa, the change in the strain is 0.001. If the Poisson’s ratio of the rod is 0.3, the modulus of rigidity (in GPa) is ______
Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2015-P2_files\image014.png

Question 3

A hollow shaft of 1 m length is designed to transmit a power of 30 kW at 700 rpm. The maximum permissible angle of twist in the shaft is Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2015-P2_files\image078.png. The inner diameter of the shaft is 0.7 times the outer diameter. The modulus of rigidity is 80 GPa. The outside diameter (in mm) of the shaft is _______

Question 4

A circular cross section, linearly tapered (from d1 to d2) bar is rigidly held between two supports. When heated by amount T, the support reactions will be: (E=Young’s Modulus)

Question 5

A tensile load of 50kN is gradually applied to a circular bar of 4cm diameter and 4m long. If the value of E= 2×105 N/mm2. Determine the strain energy absorbed by the rod.

Question 6

A flownet below a dam consists of 24 equipotential drops and 7 flow channels. The difference between the upstream and downstream water levels is 6 m. The length of the flow line adjacent to the toe of the dam at exit is 1 m. The specific gravity and void ratio of the soil below the dam are 2.70 and 0.70, respectively. The factor of safety against piping is

Question 7

The clay mineral, whose structural units are held together by potassium bond is

Question 8

A non–homogenous soil deposit consists of a silt layer sandwiched between a fine–sand layer at top and a clay layer below. Permeability of the silt layer is 10 times the permeability of the clay layer and one–tenth of the permeability of the sand layer. Thickness of the silt layer is 2 times the thickness of the sand layer and two–third of the thickness of the clay layer. The ratio of equivalent horizontal and equivalent vertical permeability of the deposit is __________.(upto 2 decimal places)

Question 9

In a laboratory falling head test, the recorded data are: diameter of the tube = 22mm, diameter of the cell = 110mm, length of the sample = 950mm. The head measured from the top level of the sample lowered from 820mm to 610mm within 1 hr 35min and the temperature of water is 300C. Calculate the coefficient of permeability at 200C. ŋ = 1.005 x 10-3 Ns/m2 (at 200C), ŋ = 0.81 x 10-3 Ns/m2 (at 300C).

Question 10

Temporary strength is imparted to clayey as well as to sandy soils in wet condition due to
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Nov 13ESE & GATE CE