XPpFh97-1 The reaction at the vertical side.
4 years 11 months ago
XPpFh97-0 Situation. Two cylinder P and Q rests in the channel as shown in the figure.
4 years 11 months ago
Wl4g9k7-0 Situation. Floor joists 50 mm wide by 200 mm high, simply supported on a 4-m span, carry a floor loaded at 5 kN/m^2.
4 years 11 months ago
Wl4g9k7-2 What safe floor load, in kN/m2, could be carried on a center-line spacing of 0.40 m?
4 years 11 months ago
Wl4g9k7-1 Compute the center-line spacing between joists.
4 years 11 months ago
Situation - Floor joists 50 mm wide by 200 mm high, simply supported on a 4-m span, carry a floor loaded at 5 kN/m2. The allowable bending stress is 8 MPa. Due to bending stress alone...
4 years 11 months ago
A truck with axle loads of 40 kN and 60 kN on a wheel base of 5 m rolls across a 10-m span. Compute the maximum bending moment in kN m.
4 years 11 months ago
Xoc9dHk-0 Situation. A uniform chain that weighs 0.50 kg per meter has a 15-liter bucket hanged at its end.
4 years 11 months ago
FtHV51n-0 Situation. A tank contains 80 gallons of pure water. A brine solution...
4 years 11 months ago
Czgy9ZT-0 Situation. A tank, open at the top, is made of sheet iron 1 in. thick.
4 years 11 months ago
Two identical bars PQ and RS each weighing 75 N each are welded together to form a Tee and are suspended in a vertical plane as shown in the figure.
4 years 11 months ago
The area under the entire stress-strain curve is called:
4 years 11 months ago
The constant of proportionality in the linear portion of the stress-strain diagram is called:
4 years 11 months ago
The point in the stress-strain test at which the material will have an appreciable elongation without any increase of load.
4 years 11 months ago
Xoc9dHk-3 If the bucket is leaking at a uniform rate so that it is half-full when no chain is out, how much work is done in winding-up the 30-m length?
4 years 11 months ago
Xoc9dHk-2 How much work is done in winding-up the full length of the chain?
4 years 11 months ago
Xoc9dHk-1 How much work is done in winding-up the upper half of the chain?
4 years 11 months ago
Situation - A uniform chain that weighs 0.50 kg per meter has a 15-liter bucket hanged at its end.
4 years 11 months ago
FtHV51n-3 Determine the limiting value for the amount of salt in the tank after a long time.
4 years 11 months ago
FtHV51n-2 Find the time at which the brine leaving will contain 1 lb/gal of salt.
4 years 11 months ago
FtHV51n-1 Find the amount of salt in the tank at any time, t.
4 years 11 months ago
Situation - A tank contains 80 gallons of pure water. A brine solution with 2 lb/gal of salt enters at 2 gal/min, and the well-stirred mixture leaves at the same rate.
4 years 11 months ago
Czgy9ZT-3 Find the weight of the tank when full of salt water in, kilo Newton.
4 years 11 months ago
Czgy9ZT-2 Find the weight of the tank when empty, in kilo Newton.
4 years 11 months ago
Czgy9ZT-1 Find the volume of the sheet iron in cubic meter.
4 years 11 months ago
Situation - A tank, open at the top, is made of sheet iron 1 in. thick.
4 years 11 months ago
At an ordinary rate a man can row the distance from Pasig to Manila, about 15km, in 5 hours less time than it takes him to return.
4 years 11 months ago
Point P has cylindrical coordinates of (8, 30deg, 5). Find the value of x in the Cartesian coordinates.
4 years 11 months ago
A construction company wants to number new houses using digit plates only. If the company puts an order for 1212 plates how many houses are to be given numbers? (The numbers of houses are consecutive and the number of the first house is 1).
4 years 11 months ago
If each expression under the square root is greater than or equal to 0, calculate...
4 years 11 months ago
To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water. One can squeeze out 0.4 cups of 5% citric acid from an average lemon.
4 years 11 months ago
10 business executives and 7 chairmen meet at a conference. If each business executive shakes the hand of every other business executive and every chairman once...
4 years 11 months ago
Kate and David each have \$10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David \$1.
4 years 11 months ago
A lead pencil whose ends are regular hexagons was cut from a cylindrical piece of wood with the least waste.
4 years 11 months ago
If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio of the power of a 9-cylinder engine to that of a 12-cylinder engine?
4 years 11 months ago
How many integers between 18 and 70 inclusive are divisible by either 7 or 9 but not both?
4 years 11 months ago
After M students took the test, there was a total of 64% of correct answers. If the test contains 50 questions, what is the least number of questions that the next student have to get right to bring the total of correct answers to 70%?
4 years 11 months ago
The diagonals of a parallelogram are 16 cm and 28 cm, respectively. One side of the parallelogram is 12 cm. Find the area of the parallelogram.
4 years 11 months ago
The two sides of a triangle are 25 cm and 26 cm, while the altitude to the third side is 24 cm. Find the area of the triangle.
4 years 11 months ago
Find the angle between $2x - y + z = 10$ and $x + y + 2z = 11$.
4 years 11 months ago
A person buys a piece of property for P100,000 down payment and ten deferred semi-annual payments of P8,000 each starting three years from now.
4 years 11 months ago
From where he stands, one step toward the cliff would send the drunken man over the edge.
4 years 11 months ago
What time between 2 and 3 o 'clock will the angle between the hands of the clock be bisected by the line connecting the center of the clock and the 3 o 'clock mark?
4 years 11 months ago
The top of the tower signal at B 2000 m away from A was sighted through a transit with recorded vertical angle of 3deg30min.
4 years 11 months ago
From point A on level ground, the angles of elevation of the top D and bottom B of a flagpole situated on the of a hill are measured as 47°54' and 39°45'. Find the height of the hill if the height of the flagpole is 115.5 ft.
4 years 11 months ago
Samuel Pepys wrote Isaac Newton to ask which of three events is more likely: that a person get...
4 years 11 months ago
A circle has its center at (3, -27). It is tangent to the line $3x + 4y - 26 = 0$. Locate the point of tangency.
4 years 11 months ago
A definite integral has an integrand which is a fraction with denominator $\sqrt{4x^2 + 1}$. It is to be solved by trigonometric substitution. Which of the following is the appropriate substitution to use?
4 years 11 months ago
How many (Philippine) 6-inch hollow blocks are needed to cover 100 square meters of wall area? Assume no allowance for contingency.
4 years 11 months ago
It is defined as the ratio of a steel section's plastic moment to its yield moment.
4 years 11 months ago