MATHalino | Engineering Math Review

Problem
A 1.25 cm diameter orifice, in a vertical wall of a tank under a constant head of 5.5 m discharged 0.45 cubic meter in 9.5 minutes. Find the coefficient of discharge.

A. 0.62	C. 0.58
B. 0.42	D. 0.60

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Problem
A barometer reads 760 mm Hg and a pressure gage attached to a tank of oil (s = 0.8) reads 850 cm. What is the absolute pressure in the tank in kilogram per square centimeter?

A. 1.71	C. 0.32
B. 2.54	D. 3.21

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Problem
Determine the absolute pressure at 250 cm below the free surface of oil (specific gravity = 0.80) if the atmospheric pressure is 101 kPa.

A. 136.25 kPa	C. 120.62 kPa
B. 125.42 kPa	D. 134.54 kPa

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**Table TMBR-4:** Allowable loads, in kiloNewton, on one bolt in seasoned wood loaded at both ends (double shear) normal duration

Species Group
I		II
Parallel to Grain	Perpencular to Grain	Parallel to Grain	Perpencular to Grain

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**Table TMBR-3:** Properties of Philippine Woods at 80% Grade
Species	Bending and Tension Parallel to Grain	Modulus of Elasticity in Bending	Compression Parallel to Grain	Compression Perpendicular to Grain	Shear Parallel to Grain
Species	MPa	GPa	MPa	MPa	MPa

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**Table TMBR-2:** Properties of Philippine Woods at 50% Grade
Species	Bending and Tension Parallel to Grain	Modulus of Elasticity in Bending	Compression Parallel to Grain	Compression Perpendicular to Grain	Shear Parallel to Grain
Species	MPa	GPa	MPa	MPa	MPa

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**Table TMBR-1:** Group Species of Philippine Woods
I. High Strength Group	II. Moderately High Strength Group	III. Medium Strength Group	IV. Moderately Low Strength Group

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Warning: The technical content of this page is for educational purposes only and is not intended for professional work.

Read more about Properties of Wide Flange Sections
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Problem
Solve for x from the following equations:

$xy = 12$

$yz = 20$

$zx = 15$

A. 2	C. 4
B. 3	D. 5

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Problem
A germ population has a growth curve $Ae^{0.4t}$. At what value of $t$ does its original value doubled?

A. t = 7.13	C. t = 1.73
B. t = 1.37	D. t = 3.71

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Allowable loads on one bolt in seasoned wood loaded at both ends in normal duration

Properties of Philippine Woods at 80% Grade

Properties of Philippine Woods at 50% Grade

Group Species of Philippine Woods

Properties of Wide Flange Sections

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