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Importance of Iron as an engineering material
material technology updated 4.2 years ago by krithikkm200 • 10
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Methods used for nanomaterials synthesis d.. TTT diagram and its importance
material technology updated 4.2 years ago by krithikkm200 • 10
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Explain the Normalising
material technology updated 4.2 years ago by krithikkm200 • 10
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Types of Cast irons.
material technology updated 4.2 years ago by krithikkm200 • 10
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Effect of Alloy on TTT diagram.
material technology updated 4.2 years ago by krithikkm200 • 10
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Draw a neat TTT and CCT diagram of 0.8% Carbon steel and label all important points and phases
material technology updated 4.2 years ago by krithikkm200 • 10
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Using the Kuhn Tucker conditions solve the following N.L.P.P. Maximize to Z = $x_{1}^{2}+x_{2}^{2}$, subjected to $x_{1}+x_{2}-4 \le$ 0 and $2x_{1}+x_{2}-5 \le 0, x_{1},x_{2}\ge$ 0.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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The marks of 1000 students of university are found to be normally distributed with mean 70 and standard deviation 5. Estimate the number of students whose marks will be 1) between 60 & 75 2) < 75
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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In a laboratory experiment two samples gave the following results. Test the equality of sample variances at 5% level of significance.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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The probability that at any moment one telephone line out of 10 will be busy is 0.2.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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7.6k
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Seven dice are thrown 729 time. How many times do you expect at least four dice to show three or five?
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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A car hire firm has two cars which it hires out day by day. The number of demands for a car on each day is distributed as poisson variate with mean 1.5. Also do the following.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Find the total work done in moving a particle in the force field $\overline{F} = 3xyi - 5zj + 10xk$ along $x = t^2 + 1, y = 2t^2, z = t^3$ from t = 1 to t = 2.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Using the Kuhn - Tucker conditions solve the following N.L.P.P. Maximize $z = 2x_{1} + 3x_{2} - x_{1}^2 - 2x_{2}^2$ Subject to $x_{1} + 3x_{2} \leq 6, 5x_{1} + 2x_{2} \leq 10, x_{1}, x_{2} \geq 0$.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Using the method of Lagranje's multipliers solve the given N.L.P.P. Optimize $z = 6x_{1}^2 + 5x_{2}^2$ Subject to: $x_{1} + 5x_{2} = 7, x_{1}, x_{2} \geq 0$
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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A continuous random variable x has the pdf defined by f(x) = A +Bx , 0 $\boldsymbol{\mathrm{\le}}$ x $\boldsymbol{\mathrm{\le}}$ 1 if mean of the distribution is 1/3. find A and B.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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The ratio of the probability of 3 successes in 5 independent trails to the probability of 2 successes in 5 independent trials is 1/4. What is the probability of 4 successes in 6 independent trials?
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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A group of 10 rat fed on diet A and another group of 8 rat fed on different diet B , recorded the following increase in weight
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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2.9k
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A continuous random variable has probability density function $f(x) = 6(x - x^2) 0 \leq x \leq 1$. Find mean and variance.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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If 10\% of bolts produced by a machine are detective. Find the probability that out of 5 bolts selected at random atmost one will be defective.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Based on the following data, can you say that there is no relation between smoking and literacy.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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The probability density function of a random variable x is :
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Out of 10 counters in a bag, 6 are 5 rupees each while the remaining 4 are of equal, but unknown value. If expectation of drawing a single counter at random is 4 rupees, find unknown value.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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Monthly salary in a organization is normally distributed with mean rs. 3000, & s.d. of rs. 250. What should be the minimum salary of a worker so that the probability that he belongs to top 5% workers.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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The following table gives the number of accidents in a city during a week. Find whether the accidents are uniformly distributed over a week, using x$^{2}$ test.
engineering mathematics updated 4.2 years ago by krithikkm200 • 10
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