Test: Sampling, JIT, TQM & Graphical Method - 1 - Mechanical Engineering MCQ
15 Questions MCQ Test GATE Mechanical (ME) Mock Test Series 2025 - Test: Sampling, JIT, TQM & Graphical Method - 1
In carrying out a work sampling study in a machine shop, it was found that a particular lathe was down for 20% of the time. What would be the 95% confidence interval of this estimate if 100 observations were made?
The first algorithm for Linear Programming was given by:
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Preliminary work sampling studies show that machine was idle 25% of the time based on a sample of 100 observations. The number of observations needed for a confidence level of 95% and an accuracy of ± 5% is:
If at the optimum in a linear programming problem, a dual variable corresponding to a particular primal constraint is zero, then it means that
Which one of the following correctly explains process capability?
Consider the following Linear Programming Problem (LPP):
Maximize z = 3x1 + 2x2
Subject to x1 ≤ 4
x2 ≤ 6
3x1 + x2 ≤ 18
x2 ≥ 0, x2 ≥ 0
Process capability of a machine is defined as the capability of the machine to:
A manufacturer produces two types of products, 1 and 2, at production levels of x1 and x2 respectively. The profit is given is 2x1 + 5x2. The production constraints are:
The maximum profit which can meet the constraints is:
and 
Draw the lines and get solution.Match List-I with List-II and select the connect answer using the codes given below the lists:
Which one of the following is the correct statement?
In the standard form of a linear programming problem, all constraints are:
The curve representing the level of achievement with reference to time is known as
Match List-I with List-II and select the correct answer using the codes given below the lists:
An operating characteristic curve (OC curve) is a plot between
A feasible solution to the linear programming problem should
Assertion (A): Double sampling is preferred over single sampling when the quality or incoming lots is expected to be either very good or very bad.
Reason (R): With double sampling, the amount of inspection required will be lesser than that in the case of single sampling.
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29 docs|220 tests
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29 docs|220 tests
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