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If x=r cos θ, y=r sin θ Find \[ \dfrac {\partial (x,y)}{\partial (r, \theta)} \]
need-tagging updated 4.7 years ago by teamques10 ★ 70k
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Code for Cohesion.
need-tagging updated 5.9 years ago by teamques10 ★ 70k
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A square R.C.C. column of 300mm X 300 mm in section with 8 steel bars of 20 mm diameter carries a load of 360 kN. Find the stresses induced in steel and concrete. Take modular ratio = 15.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Calculate moment of inertia about the base of composite lamina made of a semicircle of 120mm base diameter is removed from base of rectangle 120mm X 500mm such that lamina is symmetrical to Y-axis.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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State the position of maximum shear stress and bending stress in S/S rectangular beam section carrying udl.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Calculate longitudinal stress developed in 2 cm diameter bar undergo tensile force of 120 kN.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Design butterworth LPF to meet following specifications: Passband gain is 0.89, Pass band frequency edge 30Hz, Attenuation 0.20, Stopband edge 75Hz
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Determine the diameter of a solid steel shaft which will transmit 90 kW at 160 rpm. Also find the length of the shaft if the twist must not exceed $1^{o}$ over the entire length.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A brass bar having cross sectional area of $1000^{2}$ is subjected to axial forces s shown in Fig.no 3, Find the net deformation in the bar . Take E = $1.05 \times 10^{5} N/mm^{2}$
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A mild steel link as shown in Figure No. 2, by full lines transmits a pull of 80 kN; find the dimensions b and t if b = 3t. Assume the permissible stress as 70 N/mm2.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Find the power that can be transmitted by a shaft of 40 mm dia. rotating at 200 RPM, if maximum shear stress is not to exceed 85 MPa.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A 30 mm diameter rod is bent to form an offset link as shown in Figure No. 1, if permissible tensile stress is 80 N/mm2, find the maximum value of P.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A solid shaft of diameter 110 mm transmits a torque of 12.5 kN.m. Calculate maximum shear stress in material of shaft and angle of twist in radians for a length of 2.5 m. Take G = 80 GPa.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Find the moment of inertia of a solid rectangular section 40 mm wide and 60 mm deep about its smaller side.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A 600 mm long job of diameter 150 mm of AISI 4140 steel is to be turned with a depth of cut of 1.5 mm and feed rate 0.25 mm/rev. The following data is applicable for the problem:
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Find moment of inertia of angle ISA : 100 mm x 75 mm x 6 mm about the centroidal XX and YY axis.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Calculate the quantity and cost of Materials.(Steel, cement, sand , aggregates).
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Two steel rods and one copper rod each 20 mm in diameter together support a load of 20kN as shown in fig. Find the stresses in rod, Es = 210 GPa and Ec = 110 GPa.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Find the bending stress induced in the steel flat 40mm wide and 5mm thick if it is required to bend into an arc of a circle of radius 2.5m.Calculate the moment required to bend the flat.$E = 2x10^{5}$
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A cylindrical bar is 30mm in diameter and 2000mm long. The bar is subjected to uniform stress of 100 N/mm2 in all directions. Calculate the modulus of rigidity and bulk modulus.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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In a bi-axial stress system the stresses along the two directions are $\sigma_{x}= 60 N/mm^{2}$ (tensile) and $\sigma_{y}=40 N/mm^{2}$ (Compressive).Find the max strain.Take $E = 200 kN/mm^{2}$ , m=4.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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A hollow square has inner dimensions a x a and outer dimensions 2a x 2a. Find moment of inertia about the outer side.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Obtain digital filter transfer function by applying impulse in variance transfer function.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Choose proper machine tool and explain operation method for the following: (i) Producing a hole (ii) Finishing previously drilled hole
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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Design a linear phase FIR low pass filter of length 7 and cutoff frequency | rad | sec. Using hamming window.
need-tagging updated 6.4 years ago by teamques10 ★ 70k
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