Questions 701–710 of 1040. Imported answers require independent review unless marked reviewed.

Topic practice 1040 questionsPage 71 of 104

Question 16

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MEMCQ1 markNeeds review
The position vector

of point P (20, 10) is rotated anti-clockwise in X-Y plane by an angle

such that point P occupies position Q, as shown in the figure. The coordinates

of Q are
Diagram for Mechanical Engineering question 16

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Question 16

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MEMCQ1 markNeeds review
The cold forming process in which a hardened tool is pressed against a workpiece (when there is relative motion between the tool and the workpiece) to produce a roughened surface with a regular pattern is
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Question 17

Open question
MEMCQ1 markNeeds review
The table presents the demand of a product. By simple three-months moving average method, the demand-forecast of the product for the month of September is
Month
Demand
January
450
February
440
March
460
April
510
May
520
June
495
July
475
August
560
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Question 17

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The most common limit gage used for inspecting the hole diameter is
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Question 18

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MENAT1 markNeeds review
Evaluation of

using a 2-equal-segment trapezoidal rule gives a value of ________

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Question 18

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MEMCQ1 markNeeds review
The transformation matrix for mirroring a point in

plane about the line

is given by
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Question 19

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MENAT1 markNeeds review
A block of mass 10 kg rests on a horizontal floor. The acceleration due to gravity is 9.81 m/s². The coefficient of static friction between the floor and the block is 0.2. A horizontal force of 10 N is applied on the block as shown in the figure. The magnitude of force of friction (in N) on the block is ______
Diagram for Mechanical Engineering question 19


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Question 19

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If

is the mean of data 3,

, 2 and 4, then the mode is ______

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Question 20

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A cylindrical rod of diameter 10 mm and length 1.0 m is fixed at one end. The other end is twisted by an angle of 10° by applying a torque. If the maximum shear strain in the rod is

, then p is equal to ______ (round off to two decimal places).

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Question 20

Open question
MENAT1 markNeeds review
The figure shows an idealized plane truss. If a horizontal force of 300 N is applied at point A, then the magnitude of the force produced in member CD is ______ N.
Diagram for Mechanical Engineering question 20


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