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Current I1 and I2 entering at 1 and port 2 respectively of two port network are given by following equation. I1 =0.5V1 - 0.2V2 I2 = -0.2V1 +V2 Obtain T and Π(pi) representation.
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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(i) Describe the principle of mechanical governor in fuel injection pump. (ii) State four types of injector nozzles
need-tagging updated 4.7 years ago by teamques10 ★ 65k
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Design a Single stage RC coupled amplifier using FET BFW-11 biased to provide 3.5mA to achieve voltage gain of 10, lower cut of frequency of 20 Hz and to provide Vo=2.5V.
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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For the common base circuit shown, the transistor has parameters β = 120 and VA = ∞ (i) Determine the quiescent VCEQ (ii) Determine the small signal voltage gain and output resistance.
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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Draw experimental set-up to plot input/output characteristics of CE BJT amplifier. Explain the characteristics and draw it.
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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Calculate the length of an iron rod which can be used to produce ultrasonic waves of 20kHz Given - Y = 11.6 × 1010N/m2, ρ = 7.23 × 103 kg/m3
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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Find the roots α, α2, α3,α4 of the equation x5 - 1 = 0 and show that (1-α)(1-α2)(1-α3)(1-α4) = 5
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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If x=r cos θ, y=r sin θ Find \[ \dfrac {\partial (x,y)}{\partial (r, \theta)} \]
need-tagging updated 3.0 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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Use suitable pattern for producing circular part in foundry.
need-tagging updated 4.7 years ago by teamques10 ★ 65k
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Explain hot chamber die casting process with neat sketch.
need-tagging updated 4.7 years ago by teamques10 ★ 65k
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Describe the mechanism of chip formation during metal cutting with the help of sketch.
need-tagging updated 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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Obtain digital filter transfer function by applying impulse in variance transfer function.
need-tagging updated 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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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 4.7 years ago by teamques10 ★ 65k
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