> (*'q` bjbjqPqP .::O$$$$$$$$$ hmB$$$$$$$ $$$$$$`i8H0Of"0$$$$$$$$$$O$$$$||Hi Friends1. If diameter of antenna increase by 3, then gain of the antenna will be,a.increase by 3b.decrease by 3c.no change in gain2. more number of problem from zener diode... 3. Vector sum from plus two book.. 4. simple problem from parallel and series connection of resistor...5. plus two matrix problem 1 a b+c1 b a+c1 c b+aans: zero6. solve (D2+16)y=cos4xans:y= 4x+Bsin 4x+x/8 sin 4x7. in half adder circuit... what are the gates used? 8. conversion problem fron digital systems octal to binary :: 66.3(octal) to binary9. formula for cos ax=? in terms of expo ans: iax -iax (e + e )/2 10.what is the o/p of 4:1 MUX? 11.enegry stored in variable capacitor and constant voltage... ans : 20.5CV12. Which of the following osillator have high accuracy? refer all the osillator 13. they given a circuit, which convert binary to...?a. BCD b. excess 3 c. gray d. none of these14. output impedance of ideal op-amp is...? ans: zero.15. which one of the following is correct formula? choice are simple formula like V=IR, F=eE, etc...)
16. three problems from RLC ckt
Hi FriendsTime: 90 minBranch: Mechanical EngineeringTotal No of Questions: 80For correct answer: 3 marksWrong answer: -1 marks.I will give only the harder questions as many as I remember. I think there is no point in listing the dummy problems1) Vander wal's equation (We have to pick up the right answer from four choices)2) To a heat engine a constant heat is supplied at 300kJ at 290 C and heat is rejected at 8.5 C. What is the heat rejected?Ans : 150kJ3) What is shrinkage allowance?The dimensional allowance which must be made in molds to compensate for shrinkage of the plastic compound on cooling4) Where spining operation is done?Lathe5) What is the maximum height of a siphon?6) Time bound varying material is called?7) There are two bodies, one with high mass another with low mass. Both are having same kinetic energy. Their momentum will be?a) Both the momumtum will be equal b) Body of large mass will have high momentumc)b) Body of low mass will have high momentumd)It depends uopn the velocities8) Ratio of kinetic energies of two bodies is 1 : 4, The what is the ratio of their momentum?9) What is the notch angle of izod impact test?10) For a given nozzle angle and number of rows in the turbine, what is the optimum blade speed ratio?11) A question on manometer with diagram12) Two reservoirs are connected by a pipe of diameter D. Due to the chemical deposition the diameter is reduced by 20%. Neglect the frictional losses. How will the discharge will vary?13) Around 10 questions on very basics of Matrices, Eigen values, Laplace.14) A question on the position of metacenter15) Match the following on Reynolds, weber, prandtl no16) Problem on bulk modulus17) What is the total volume change in a cylinderical vessel if strain e1 acts along longitudinal and stain e2 acts along tangential direction?18) A question on belt friction19) A turbine of periperal velocity V is designed for 100m head. what will be the periperal velocity of a turbine if the head is 800m?No question was asked from Refrigeration and airconditioningArun Udayakumar
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